<SEC-DOCUMENT>0000950170-25-084391.txt : 20250610
<SEC-HEADER>0000950170-25-084391.hdr.sgml : 20250610
<ACCEPTANCE-DATETIME>20250610164008
ACCESSION NUMBER:		0000950170-25-084391
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		12
CONFORMED PERIOD OF REPORT:	20250610
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Submission of Matters to a Vote of Security Holders
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20250610
DATE AS OF CHANGE:		20250610

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KAISER ALUMINUM CORP
		CENTRAL INDEX KEY:			0000811596
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		ORGANIZATION NAME:           	04 Manufacturing
		EIN:				943030279
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-09447
		FILM NUMBER:		251037684

	BUSINESS ADDRESS:	
		STREET 1:		1550 W. MCEWEN DRIVE, SUITE 50
		CITY:			FRANKLIN
		STATE:			TN
		ZIP:			37067
		BUSINESS PHONE:		949-614-1740

	MAIL ADDRESS:	
		STREET 1:		1550 W. MCEWEN DRIVE, SUITE 50
		CITY:			FRANKLIN
		STATE:			TN
		ZIP:			37067

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KAISERTECH LTD
		DATE OF NAME CHANGE:	19901122
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>kalu-20250610.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version='1.0' encoding='ASCII'?>
<!-- DFIN New ActiveDisclosure (SM) Inline XBRL Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2025-06-10T10:51:17.8975+00:00 -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<html xmlns="http://www.w3.org/1999/xhtml" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:nonNumeric="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:kalu="http://www.kaiseraluminum.com/20250610" xmlns:dei="http://xbrl.sec.gov/dei/2024" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2022-02-16">
 <head>
  <title>8-K</title>
  <meta http-equiv="Content-Type" content="text/html"/>
 </head>
 <body style="padding:8px;margin:auto!important;z-index:0;-webkit-text-size-adjust:100%;position:relative;">
  <div style="display:none;"><ix:header><ix:hidden><ix:nonNumeric id="F_56a08d60-a175-4997-a7ae-4893a3620454" name="dei:AmendmentFlag" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a">false</ix:nonNumeric><ix:nonNumeric id="F_bca84390-97c7-4872-b5d0-b5d8f9ef415e" name="dei:EntityCentralIndexKey" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a">0000811596</ix:nonNumeric><ix:nonNumeric id="F_37576466-fa5f-4c90-9a89-26ed75b0850e" name="dei:EntityRegistrantName" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a">KAISER ALUMINUM CORP</ix:nonNumeric></ix:hidden><ix:references><link:schemaRef xlink:type="simple" xlink:href="kalu-20250610.xsd"/></ix:references><ix:resources><xbrli:context id="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"><xbrli:entity><xbrli:identifier scheme="http://www.sec.gov/CIK">0000811596</xbrli:identifier></xbrli:entity><xbrli:period><xbrli:startDate>2025-06-10</xbrli:startDate><xbrli:endDate>2025-06-10</xbrli:endDate></xbrli:period></xbrli:context></ix:resources></ix:header></div>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="border-top:2.25pt double #000000;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:5.75pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">UNITED STATES<br/>SECURITIES AND EXCHANGE COMMISSION<br/></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">WASHINGTON, D.C. 20549</span></p><p style="margin-left:40%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:0.75pt solid #000000;margin-right:40%;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><h2 style="font-size:10pt;margin-top:10pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">FORM </span><span style="font-size:18pt;font-family:Times New Roman;"><ix:nonNumeric id="F_acb53b25-5346-4e32-8e72-64c3fab28ec8" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:DocumentType"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:18pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">8-K</span></ix:nonNumeric></span></h2><p style="margin-left:40%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:0.75pt solid #000000;margin-right:40%;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:9pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">CURRENT REPORT</span></p><p style="font-size:10pt;margin-top:9pt;font-family:Times New Roman;margin-bottom:6pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:100%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.398%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Date of Report (Date of earliest event reported): </span><span><ix:nonNumeric id="F_0992e283-937c-4d90-87d1-f845c11cf6d4" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:DocumentPeriodEndDate" format="ixt:date-monthname-day-year-en"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">June 10, 2025</span></ix:nonNumeric></span></p></td>
    </tr>
   </table><p style="margin-left:40%;font-size:10pt;margin-top:5pt;font-family:Times New Roman;margin-bottom:0;border-bottom:0.75pt solid #000000;margin-right:40%;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:5pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="font-size:24pt;font-family:Times New Roman;"><span style="-sec-ix-hidden:F_37576466-fa5f-4c90-9a89-26ed75b0850e;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:24pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">KAISER ALUMINUM CORPORATION</span></span></span></p><p style="font-size:10pt;margin-top:3pt;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(Exact name of Registrant as Specified in Its Charter)</span></p><p style="margin-left:40%;font-size:10pt;margin-top:9pt;font-family:Times New Roman;margin-bottom:0;border-bottom:0.75pt solid #000000;margin-right:40%;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:20%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:20%;box-sizing:content-box;"/>
     <td style="width:18%;box-sizing:content-box;"/>
     <td style="width:41%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td colspan="3" style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_20ecd5aa-7593-4877-9674-2570514d391b" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityIncorporationStateCountryCode" format="ixt-sec:stateprovnameen"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Delaware</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_ffe6917e-e3cb-4461-b327-42918f3ab63d" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityFileNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">1-09447</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_bd055f7d-33a4-4b26-8274-944d0a3929f1" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityTaxIdentificationNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">94-3030279</span></ix:nonNumeric></span></p></td>
    </tr>
    <tr style="height:7pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td colspan="3" style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(State or Other Jurisdiction<br/>of Incorporation)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(Commission File Number)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(IRS Employer<br/>Identification No.)</span></p></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td colspan="3" style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_bf8eab0e-5d24-4265-af36-376440b99f00" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityAddressAddressLine1"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">1550 West McEwen Drive</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_0b7ebd29-010d-44dc-81b0-8539bf86ecf0" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityAddressAddressLine2"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Suite 500</span></ix:nonNumeric></span></p></td>
     <td colspan="2" style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td colspan="3" style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_4dd44bd5-7b3a-43d4-ab59-8e6a68836249" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityAddressCityOrTown"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Franklin</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">, </span><span><ix:nonNumeric id="F_7700d9ff-0c6f-46e5-b039-0f15fcd8a240" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityAddressStateOrProvince" format="ixt-sec:stateprovnameen"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Tennessee</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_88429eb7-3e88-4c3c-b909-1a09a81bd6a7" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityAddressPostalZipCode"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">37067</span></ix:nonNumeric></span></p></td>
    </tr>
    <tr style="height:7pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td colspan="3" style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(Address of Principal Executive Offices)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:7.5pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(Zip Code)</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:100%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0.125in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;margin-right:0.398%;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Registrant&#8217;s Telephone Number, Including Area Code:</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span><span><ix:nonNumeric id="F_86953969-d630-49c7-a058-8eb5be5fddaf" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:CityAreaCode"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">(629)</span></ix:nonNumeric></span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span><span><ix:nonNumeric id="F_f4795708-6404-435d-8912-c58863e1fea5" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:LocalPhoneNumber"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">252-7040</span></ix:nonNumeric></span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:100%;box-sizing:content-box;"/>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0.125in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:7.5pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">(Former Name or Former Address, if Changed Since Last Report)</span></p><p style="margin-left:40%;font-size:10pt;margin-top:9.35pt;font-family:Times New Roman;margin-bottom:0;border-bottom:0.75pt solid #000000;margin-right:40%;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p><p style="font-size:10pt;margin-top:9.35pt;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div style="text-indent:-24.5pt;padding-left:24.5pt;margin-top:3pt;margin-bottom:0;text-align:left;"><span style="margin-right:1em;margin-right:1em;"><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_b58c4339-616b-46af-80d7-69ce4d96b194" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:WrittenCommunications" format="ixt-sec:boolballotbox"><span style="font-size:10pt;font-family:Times New Roman;">&#9744;</span></ix:nonNumeric></span></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</span></div><div style="text-indent:-24.5pt;padding-left:24.5pt;margin-top:6pt;margin-bottom:0;text-align:left;"><span style="margin-right:1em;margin-right:1em;"><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_99ddecb7-8db6-42cf-88cb-db7c4ce25335" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:SolicitingMaterial" format="ixt-sec:boolballotbox"><span style="font-size:10pt;font-family:Times New Roman;">&#9744;</span></ix:nonNumeric></span></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</span></div><div style="text-indent:-24.5pt;padding-left:24.5pt;margin-top:6pt;margin-bottom:0;text-align:left;"><span style="margin-right:1em;margin-right:1em;"><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_22089d06-884d-411d-8dee-2d5512bd1834" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:PreCommencementTenderOffer" format="ixt-sec:boolballotbox"><span style="font-size:10pt;font-family:Times New Roman;">&#9744;</span></ix:nonNumeric></span></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</span></div><div style="text-indent:-24.5pt;padding-left:24.5pt;margin-top:6pt;margin-bottom:0;text-align:left;"><span style="margin-right:1em;margin-right:1em;"><span style="font-size:10pt;font-family:Times New Roman;"><ix:nonNumeric id="F_ca1a3ea3-dfb1-4f38-8b38-0920d463164f" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:PreCommencementIssuerTenderOffer" format="ixt-sec:boolballotbox"><span style="font-size:10pt;font-family:Times New Roman;">&#9744;</span></ix:nonNumeric></span></span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</span></div><p style="font-size:10pt;margin-top:9pt;font-family:Times New Roman;margin-bottom:9pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Securities registered pursuant to Section 12(b) of the Act:</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:38%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:15%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:45%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.25pt solid;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;"><br/>Title of each class</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.25pt solid #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.25pt solid;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;">Trading<br/>Symbol(s)</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.25pt solid #ffffff03;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.25pt solid;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-kerning:none;min-width:fit-content;"><br/>Name of each exchange on which registered</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_4394b61f-8822-4a30-8576-383ea4e7b71b" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:Security12bTitle"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Common stock, par value $0.01 per share</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_68805519-b4d2-49df-9713-feaa5f58eb10" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:TradingSymbol"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">KALU</span></ix:nonNumeric></span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span><ix:nonNumeric id="F_5f27cc40-008c-4796-8daa-1ac961106d45" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:SecurityExchangeName" format="ixt-sec:exchnameen"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Nasdaq Global Select Market</span></ix:nonNumeric></span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:12pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;&#8239;230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (&#167;&#8239;240.12b-2 of this chapter).</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:9pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Emerging growth company </span><span style="font-size:10pt;"><ix:nonNumeric id="F_94c2a113-b63e-4e3a-9b30-9e8f52f565d0" contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a" name="dei:EntityEmergingGrowthCompany" format="ixt-sec:boolballotbox"><span style="font-size:10pt;font-family:Times New Roman;">&#9744;</span></ix:nonNumeric></span></p><p style="font-size:10pt;margin-top:9pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. </span><span style="font-size:10pt;font-family:Times New Roman;">&#9744;</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;border-bottom:2.25pt double #000000;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><h2 style="font-size:10pt;margin-top:18pt;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 5.02 Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.</span></h2><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:10pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">On June 10, 2025, Kaiser Aluminum Corporation (the "Company") appointed Glenda J. Minor as a director. Ms. Minor, 68, has served as Chief Executive Officer and Principal of Silket Advisory Services, a privately owned consulting firm advising companies on financial, strategic and operational initiatives, since 2016. From 2010 to 2016, she served as Senior Vice President and Chief Financial Officer of Evraz North America Limited, a North American steel manufacturer. Ms. Minor also served as Vice President, Finance, Controller, Chief Accounting Officer, and General Auditor of Visteon Corporation, a global automotive supplier that designs, engineers, and manufactures climate, interior, electronic and lighting products for vehicle manufacturers, from 2000 to 2010. She currently serves on the board of directors of Albemarle Corporation, a leading global specialty chemical company; Curtiss-Wright Corporation, a global provider of products and services in the aerospace &amp; defense and industrial markets; and Radius Recycling, Inc., a global provider in the metals recycling industry and a manufacturer of finished steel products. Ms. Minor holds a Bachelor of Science degree in Accounting from Southern University and a Master of Business Administration degree from Michigan State University.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The Board appointed Ms. Minor as a director because of her extensive financial and business experience in leadership roles with public companies in relevant industries with products serving end markets similar to the Company&#8217;s, including her significant finance and accounting experience. Ms. Minor will serve as a Class II director with a term expiring at the Company&#8217;s 2026 annual meeting of stockholders and will serve on the Board&#8217;s audit and compensation committees. Ms. Minor will receive the standard compensation paid to non-employee directors.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><h2 style="font-size:10pt;margin-top:18pt;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 5.07 Submission of Matters to a Vote of Security Holders.</span></h2><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:10pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">On June 10, 2025, the Company held its 2025 Annual Meeting of Stockholders (the "2025 Annual Meeting"). Below are the matters that were voted upon at the 2025 Annual Meeting and the final voting results as reported by our inspector of elections.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:10pt;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">1.</span><div style="display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Election of Directors - The stockholders elected four Class I directors, each for a term expiring at the Company's 2028 Annual Meeting of Stockholders. Each received the affirmative vote of a majority of the votes cast at the 2025 Annual Meeting. The voting results were as follows: </span></div></div>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:28.866%;box-sizing:content-box;"/>
     <td style="width:21.944%;box-sizing:content-box;"/>
     <td style="width:3.141%;box-sizing:content-box;"/>
     <td style="width:20.964%;box-sizing:content-box;"/>
     <td style="width:3.141%;box-sizing:content-box;"/>
     <td style="width:21.944%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:5.85pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:right;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Nominee Name</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Votes For</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Votes Withheld</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Broker Non-Votes</span></p></td>
    </tr>
    <tr style="height:1pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Kimberly T. Glas</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;14,545,330</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">98,738</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">677,023</span></p></td>
    </tr>
    <tr style="height:1pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Keith A. Harvey</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;14,341,260</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">302,808</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">677,023</span></p></td>
    </tr>
    <tr style="height:1pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Donald J. Stebbins</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;13,053,742</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">1,590,326</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">677,023</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:10pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The other directors with terms continuing after the 2025 Annual Meeting are Michael C. Arnold, David A. Foster, Richard P. Grimley, Lauralee E. Martin, Glenda J. Minor, Brett E. Wilcox and Kevin W. Williams.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:10pt;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">2.</span><div style="display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Advisory Vote on Executive Compensation - The Company's stockholders approved, on an advisory, non-binding basis, the compensation of the Company's named executive officers. The voting results were as follows: </span></div></div>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:25%;box-sizing:content-box;"/>
     <td style="width:25%;box-sizing:content-box;"/>
     <td style="width:25%;box-sizing:content-box;"/>
     <td style="width:25%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">For</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Against</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Abstain</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Broker Non-Votes</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">14,374,781</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">251,938</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">17,353</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">677,023</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:10pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The number of shares voting &#8220;for&#8221; constituted 98.16% of the total number of shares represented and entitled to vote at the meeting and actually voted on the proposal.</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:0;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">3.</span><div style="display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Ratification of the Selection of Independent Registered Public Accounting Firm - The Company's stockholders ratified the selection of Deloitte &amp; Touche LLP as the independent registered public accounting firm for the Company for 2025. The voting results were as follows: </span></div></div>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:34%;box-sizing:content-box;"/>
     <td style="width:33%;box-sizing:content-box;"/>
     <td style="width:33%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">For</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Against</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Abstain</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;text-align:left;">
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">15,082,533</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">227,302</span></p></td>
     <td style="padding-top:0in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">11,259</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;"> </span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">The number of shares voting &#8220;for&#8221; constituted 98.45% of the total number of shares represented and entitled to vote at the meeting and actually voted on the proposal.</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:10pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Item 9.01. Financial Statements and Exhibits.</span></p><div class="item-list-element-wrapper" style="margin-left:4.528%;display:flex;margin-top:10pt;justify-content:flex-start;align-items:baseline;margin-bottom:0;min-width:4.537%;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:4.7521786492374725%;word-break:keep-all;display:inline-flex;justify-content:flex-start;">(d)</span><div style="display:inline;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-style:italic;font-kerning:none;min-width:fit-content;">Exhibits</span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">.</span></div></div><p style="text-indent:-4.749%;padding-left:4.533%;font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p>
   <table style="margin-left:auto;border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;margin-right:auto;">
    <tr style="visibility:collapse;">
     <td style="width:8%;box-sizing:content-box;"/>
     <td style="width:1%;box-sizing:content-box;"/>
     <td style="width:91%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.25pt solid #000000;padding-right:0.01in;text-align:left;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Exhibit</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Number</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.25pt solid #ffffff03;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;border-bottom:0.25pt solid #000000;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Description</span></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">99.1</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><a href="kalu-ex99_1.htm"><span style="color:#0000ff;white-space:pre-wrap;text-decoration:underline solid;font-kerning:none;min-width:fit-content;">Press release dated June 10, 2025.</span></a></p></td>
    </tr>
    <tr style="height:10pt;background-color:#ffffff;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">104</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:bottom;padding-bottom:0in;padding-right:0.01in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Cover Page Interactive Data File (embedded within the Inline XBRL document).</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
  <div style="z-index:2;min-height:0.5in;position:relative;"></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:9.35pt;text-align:center;"><span style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">SIGNATURES</span></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:9.35pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</span></p>
   <table style="border-spacing:0;table-layout:auto;width:100.0%;border-collapse:separate;">
    <tr style="visibility:collapse;">
     <td style="width:6%;box-sizing:content-box;"/>
     <td style="width:44%;box-sizing:content-box;"/>
     <td style="width:4%;box-sizing:content-box;"/>
     <td style="width:46%;box-sizing:content-box;"/>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:4.3pt;font-family:Times New Roman;margin-bottom:4.3pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">KAISER ALUMINUM CORPORATION</span></p></td>
    </tr>
    <tr style="white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:4.3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Date:</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:4.3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">June 10, 2025</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:4.3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">By:</span><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;"> </span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;border-bottom:0.25pt solid;padding-right:0in;"><p style="font-size:10pt;margin-top:4.3pt;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">/s/ Cherrie I. Tsai</span></p></td>
    </tr>
    <tr style="height:10pt;white-space:pre-wrap;word-break:break-word;">
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-kerning:none;min-width:fit-content;">&#160;</span></p></td>
     <td style="padding-top:0.01in;padding-left:0in;vertical-align:top;padding-bottom:0in;padding-right:0in;"><p style="font-size:10pt;margin-top:0.7pt;font-family:Times New Roman;margin-bottom:9.35pt;text-align:left;"><span style="color:#000000;white-space:pre-wrap;font-kerning:none;min-width:fit-content;">Cherrie I. Tsai<br/>Vice President, Deputy General Counsel and Corporate Secretary</span></p></td>
    </tr>
   </table><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><span style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</span></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:0.5in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;"/>
 </body>
</html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>kalu-ex99_1.htm
<DESCRIPTION>EX-99.1
<TEXT>
<html>
 <head>
  <title>EX-99.1</title>
 </head>
 <body style="padding:8px;margin:auto!important;z-index:0;-webkit-text-size-adjust:100%;position:relative;">
  <div style="padding-top:0.5in;z-index:2;min-height:1in;position:relative;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Exhibit 99.1</font></p></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><img src="img29542054_0.jpg" alt="img29542054_0.jpg" style="width:155px;height:37px;"></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:8pt;text-align:left;"><font style="white-space:pre-wrap;font-size:12.5pt;font-family:Arial;font-kerning:none;min-width:fit-content;">&#160;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:6pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12.5pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Kaiser Aluminum Corporation Announces Appointment of Glenda J. Minor to its Board of Directors</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:12.5pt;font-family:Arial;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">&#160;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">FRANKLIN, Tenn., June 10, 2025 &#x2013; Kaiser Aluminum Corporation (NASDAQ: KALU) (&#x201c;Kaiser&#x201d; or the &#x201c;Company&#x201d;) today announced that its Board of Directors has appointed Glenda J. Minor to serve as an independent director. Ms. Minor will serve as a Class II director with a term expiring at the Company&#x2019;s 2026 annual meeting of stockholders and will serve on the Board&#x2019;s audit and compensation committees.</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:8pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">&#x201c;We are very pleased to welcome Glenda Minor to our Board of Directors,&#x201d; said Keith A. Harvey, Chairman, President and Chief Executive Officer. &#x201c;As a seasoned financial expert, her deep finance and business experience in leadership roles with public companies in relevant manufacturing industries with products serving end markets similar to the Company&#x2019;s, including her significant finance and accounting experience will be a significant asset as we enter our next phase of growth and remain focused on delivering enhanced value to our shareholders.&#x201d;</font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">  </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Ms. Minor currently serves as Chief Executive Officer and Principal of Silket Advisory Services, a privately owned consulting firm advising companies on financial, strategic and operational initiatives. Prior to Silket Advisory Services, Ms. Minor served as Senior Vice President and Chief Financial Officer of Evraz North America Limited, a North American steel manufacturer. Ms. Minor also previously served as Vice President, Finance, Controller, Chief Accounting Officer, and General Auditor of Visteon Corporation, a global automotive supplier that designs, engineers, and manufactures climate, interior, electronic and lighting products for vehicle manufacturers. She currently serves on the boards of Albemarle Corporation, a global specialty chemical company; Curtiss-Wright Corporation, a global provider of products and services in the aerospace and defense and industrial markets; and Radius Recycling, Inc., a global provider in the metals recycling industry and a manufacturer of finished steel products advancing a circular economy. Ms. Minor holds a Bachelor of Science degree in Accounting from Southern University and a Master of Business Administration degree from Michigan State University.</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">&#x201c;I am honored to join Kaiser&#x2019;s Board of Directors at such a pivotal time in the Company&#x2019;s journey to drive sustainable, long-term growth,&#x201d; said Ms. Minor. &#x201c;Kaiser is a top-tier organization with a strong foundation of values that guide its strategy, culture, and commitment to making a positive impact. [Its deep-rooted principles closely align with my own dedication to giving back and driving meaningful change.] I look forward to contributing my experience to support the Company&#x2019;s continued growth, innovation, and long-term value creation.&#x201d;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">About Kaiser Aluminum Corporation</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Kaiser Aluminum Corporation, headquartered in Franklin, Tenn., is a leading producer of semi-fabricated specialty aluminum products, serving customers worldwide with highly-engineered solutions for aerospace and high-strength, packaging, general engineering, automotive</font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;"> </font></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:1in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;">
  <div style="padding-top:0.5in;z-index:2;min-height:1in;position:relative;box-sizing:border-box;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:right;"><font style="white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">&#160;</font></p></div>
  <div class="main-content-container" style="z-index:5;position:relative;"><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">extrusions, and other industrial applications. The Company&#x2019;s North American facilities produce value-added plate, sheet, coil, extrusions, rod, bar, tube, and wire products, adhering to traditions of quality, innovation, and service that have been key components of the culture since the Company was founded in 1946. The Company&#x2019;s stock is included in the Russell 2000&#174; index and the S&amp;P Small Cap 600&#174; index.</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Available Information</font><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:12pt;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">For more information, please visit the Company&#x2019;s website at </font><font><font style="white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">www.kaiseraluminum.com</font></font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">. The website includes a section for investor relations under which the Company provides notifications of news or announcements regarding its financial performance, including Securities and Exchange Commission (SEC) filings, investor events, and earnings and other press releases. In addition, all Company filings submitted to the SEC are available through a link to the section of the SEC&#x2019;s website at </font><font><font style="white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">www.sec.gov</font></font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">, which includes: Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Current Reports on Form 8-K and Proxy Statements for the Company&#x2019;s annual stockholders&#x2019; meetings, and other information statements as filed with the SEC. In addition, the Company provides a webcast of its quarterly earnings calls and certain events in which management participates or hosts with members of the investment community.</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-weight:bold;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Contact:</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">&#160;</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Addo Investor Relations</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><font><font style="white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">Investors@KaiserAluminum.com</font></font><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;"> </font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="color:#000000;white-space:pre-wrap;font-size:11pt;font-family:Arial;font-kerning:none;min-width:fit-content;">(949) 614-1769</font></p><p style="font-size:10pt;margin-top:0;font-family:Times New Roman;margin-bottom:0;text-align:left;"><font style="white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;font-kerning:none;min-width:fit-content;">&#160;</font></p></div>
  <div style="z-index:2;flex-direction:column;display:flex;min-height:1in;justify-content:flex-end;position:relative;"></div>
  <hr style="margin-inline-start:auto;margin-inline-end:auto;page-break-after:always;">
 </body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>img29542054_0.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
begin 644 img29542054_0.jpg
M_]C_X  02D9)1@ ! @$ > !X  #_VP!#  $! 0$! 0$! 0$! 0$! 0$! 0$!
M 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0'_
MVP!# 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0$!
M 0$! 0$! 0$! 0$! 0$! 0$! 0$! 0'_P  1"  N ,(# 2(  A$! Q$!_\0
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M9WWB(V^@Z_IUKID&H2M#9":[U33K.W::Y=)#%!'(\K)'(^T*I-?S0>'/V/\
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M+2=+N(DGTVVO-/.GWM]9QV[^;"FD:##/'!<*FR._GLE9@[KG\N@!_P $V?\
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#!__9

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>4
<FILENAME>kalu-20250610.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA WITH EMBEDDED LINKBASES DOCUMENT
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII"?>
<!-- DFIN New ActiveDisclosure (SM) XBRL Schema Document - http://www.dfinsolutions.com/ -->
<!-- Creation Date :2025-06-10T10:51:18.3736+00:00 -->
<!-- Copyright (c) 2025 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema targetNamespace="http://www.kaiseraluminum.com/20250610" attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:enum2="http://xbrl.org/2020/extensible-enumerations-2.0" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:us-gaap="http://fasb.org/us-gaap/2024" xmlns:dei="http://xbrl.sec.gov/dei/2024" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:kalu="http://www.kaiseraluminum.com/20250610" xmlns:xlink="http://www.w3.org/1999/xlink">
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase"/>
  <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt"/>
  <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2024/dei-2024.xsd" namespace="http://xbrl.sec.gov/dei/2024"/>
  <xsd:import schemaLocation="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd" namespace="http://fasb.org/us-gaap/2024"/>
  <xsd:annotation>
    <xsd:appinfo>
      <link:roleType roleURI="http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document And Entity Information</link:definition>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
      <link:linkbase id="lnk">
        <link:roleRef roleURI="http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="kalu-20250610.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple"/>
        <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:title="labelLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications"/>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-commencement Issuer Tender Offer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Pre-commencement Tender Offer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SolicitingMaterial_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Soliciting Material</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_WrittenCommunications_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Written Communications</link:label>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine2" xlink:to="dei_EntityAddressAddressLine2_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl"/>
          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl"/>
        </link:labelLink>
        <link:presentationLink xlink:role="http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:title="presentationLink" xlink:type="extended">
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract" xlink:label="dei_CoverAbstract"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag" xlink:label="dei_AmendmentFlag"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode" xlink:label="dei_CityAreaCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate" xlink:label="dei_DocumentPeriodEndDate"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType" xlink:label="dei_DocumentType"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1" xlink:label="dei_EntityAddressAddressLine1"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown" xlink:label="dei_EntityAddressCityOrTown"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode" xlink:label="dei_EntityAddressPostalZipCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince" xlink:label="dei_EntityAddressStateOrProvince"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey" xlink:label="dei_EntityCentralIndexKey"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany" xlink:label="dei_EntityEmergingGrowthCompany"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber" xlink:label="dei_EntityFileNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode" xlink:label="dei_EntityIncorporationStateCountryCode"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName" xlink:label="dei_EntityRegistrantName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber" xlink:label="dei_EntityTaxIdentificationNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber" xlink:label="dei_LocalPhoneNumber"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementIssuerTenderOffer" xlink:label="dei_PreCommencementIssuerTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_PreCommencementTenderOffer" xlink:label="dei_PreCommencementTenderOffer"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle" xlink:label="dei_Security12bTitle"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName" xlink:label="dei_SecurityExchangeName"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SolicitingMaterial" xlink:label="dei_SolicitingMaterial"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol" xlink:label="dei_TradingSymbol"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_WrittenCommunications" xlink:label="dei_WrittenCommunications"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_AmendmentFlag" order="10010.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_CityAreaCode" order="10130.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentPeriodEndDate" order="10020.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_DocumentType" order="10000.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine1" order="10090.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine2" order="10091.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressCityOrTown" order="10100.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressPostalZipCode" order="10120.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressStateOrProvince" order="10110.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityCentralIndexKey" order="10040.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityEmergingGrowthCompany" order="10050.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityFileNumber" order="10060.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityIncorporationStateCountryCode" order="10070.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityRegistrantName" order="10030.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityTaxIdentificationNumber" order="10080.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_LocalPhoneNumber" order="10140.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_PreCommencementIssuerTenderOffer" order="10190.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_PreCommencementTenderOffer" order="10180.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_Security12bTitle" order="10210.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SecurityExchangeName" order="10340.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_SolicitingMaterial" order="10170.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_TradingSymbol" order="10220.0" priority="2" use="optional"/>
          <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_WrittenCommunications" order="10160.0" priority="2" use="optional"/>
        </link:presentationLink>
      </link:linkbase>
    </xsd:appinfo>
  </xsd:annotation>
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.25.1</span><table class="report" border="0" cellspacing="2" id="id2">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document And Entity Information<br></strong></div></th>
<th class="th"><div>Jun. 10, 2025</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun. 10,  2025<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">KAISER ALUMINUM CORP<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000811596<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">1-09447<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">94-3030279<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">1550 West McEwen Drive<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">Suite 500<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Franklin<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">TN<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">37067<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(629)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">252-7040<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre-commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre-commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common stock, par value $0.01 per share<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">KALU<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CoverAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Address Line 2 such as Street or Suite number</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressStateOrProvince</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:stateOrProvinceItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14a<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>7
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
.report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

.report table.authRefData a {
	display: block;
	font-weight: bold;
}

.report table.authRefData p {
	margin-top: 0px;
}

.report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

.report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

.report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

.report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
.pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
.report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

.report hr {
	border: 1px solid #acf;
}

/* Top labels */
.report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

.report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

.report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

.report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

.report td.pl div.a {
	width: 200px;
}

.report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
.report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
.report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
.report .re, .report .reu {
	background-color: #def;
}

.report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
.report .ro, .report .rou {
	background-color: white;
}

.report .rou td {
	border-bottom: 1px solid black;
}

.report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
.report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
.report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

.report .nump {
	padding-left: 2em;
}

.report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
.report .text {
	text-align: left;
	white-space: normal;
}

.report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

.report .text .more {
	display: none;
}

.report .text .note {
	font-style: italic;
	font-weight: bold;
}

.report .text .small {
	width: 10em;
}

.report sup {
	font-style: italic;
}

.report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1</ContextCount>
  <ElementCount>23</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="kalu-20250610.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="8-K" isOnlyDei="true" isUsgaap="true" original="kalu-20250610.htm">kalu-20250610.htm</File>
    <File>kalu-20250610.xsd</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="23">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>13
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "version": "2.2",
 "instance": {
  "kalu-20250610.htm": {
   "nsprefix": "kalu",
   "nsuri": "http://www.kaiseraluminum.com/20250610",
   "dts": {
    "inline": {
     "local": [
      "kalu-20250610.htm"
     ]
    },
    "schema": {
     "local": [
      "kalu-20250610.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2022-03-31/types.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-roles-2024.xsd",
      "https://xbrl.fasb.org/srt/2024/elts/srt-types-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-roles-2024.xsd",
      "https://xbrl.fasb.org/us-gaap/2024/elts/us-types-2024.xsd",
      "https://xbrl.sec.gov/country/2024/country-2024.xsd",
      "https://xbrl.sec.gov/dei/2024/dei-2024.xsd",
      "https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd"
     ]
    }
   },
   "keyStandard": 23,
   "keyCustom": 0,
   "axisStandard": 0,
   "axisCustom": 0,
   "memberStandard": 0,
   "memberCustom": 0,
   "hidden": {
    "total": 3,
    "http://xbrl.sec.gov/dei/2024": 3
   },
   "contextCount": 1,
   "entityCount": 1,
   "segmentCount": 0,
   "elementCount": 24,
   "unitCount": 0,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2024": 23
   },
   "report": {
    "R1": {
     "role": "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation",
     "longName": "100000 - Document - Document And Entity Information",
     "shortName": "Document And Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "h2",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "kalu-20250610.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "h2",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "kalu-20250610.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "DocumentType",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine2": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressAddressLine2",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line Two",
        "documentation": "Address Line 2 such as Street or Suite number"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity File Number",
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation, State or Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "PreCommencementIssuerTenderOffer",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre-commencement Issuer Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r3"
     ]
    },
    "dei_PreCommencementTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "PreCommencementTenderOffer",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre-commencement Tender Offer",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r5"
     ]
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Title of 12(b) Security",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "dei_SolicitingMaterial": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "SolicitingMaterial",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Soliciting Material",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act."
       }
      }
     },
     "auth_ref": [
      "r4"
     ]
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "dei_WrittenCommunications": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2024",
     "localname": "WrittenCommunications",
     "presentation": [
      "http://www.kaiseraluminum.com/20250610/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Written Communications",
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act."
       }
      }
     },
     "auth_ref": [
      "r6"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14a",
   "Subsection": "12"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "425"
  }
 }
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>14
<FILENAME>0000950170-25-084391-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0000950170-25-084391-xbrl.zip
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M57$:N.6XXU7S.(GW8>=3X2_^+,C33CX=\PXTI''1\G)6F5@T)UB!VOEK[]O
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MG'(^AGE&E^ I33P22C\!S,9']1)5:F:>^5[6A9 76C$()<?RG*N1:66E#9%
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M6[PQJ;CUI_"!9?&?^)1R=/N#7OAT=GPC\X'MZ$[TN>_C_P%02P,$%     @
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M[>NJTHI<*O<Y<7Z $<D T82H32=TU/)H+%4)7W%&0LZ 73%=(Z\[:QKW:2;
M+.8FX\T@UI(*E6FZ8",8Z!39[@HNFXH\Y<KA6:&)GB+].$W7J.0K8O^%M<@*
M*N$1W4!M/19'M0O*^_XOL76_9@.(NH0+HO4V8K,ROD$6)WJ629*S,5;C:$XS
M,(/T[S;?,_%(67T<OY_(7-5>G%"VANW,O">.33;8=G9S1$D!@$'";1:T.Z]3
MBK]@0987<:1\ 3PE$)Z+GR\9UDR61*9<5G.!(<2F+===='*&YL+YM83Q=$+0
M:99*1TYS1[$>=N W<[84I[:&L,Z(GPQ7 :]"*]\/TH<DV==M:9WD)0L9&L[:
M[!KW^4%EA9HCA$X#8-79[3;YU</+TBV%.1:RA$?@E\2LWH%EBRZ79VZZA9,C
M?'V=,4^NU-("0"+  BVDKM#D=ZC/AM9\0NY2)O!\-R2G&J&M+=_),=].!. 2
M8=M YYQY-1V*8AS!&?W 2<4Z^%6]3SYO6+SG1 $( 4MY&H :D37XE(3F-6(A
M=AY-40 A!'09[;V6CB,+QYX>TI=RD1">+K"@B8*J61B(?QUC#V9[?6<M-RI5
M*F<Z)C'KN5Q%[R?1REB\L"!'^HB"8?>YBDQM*K-%BG>7/I0DV:6S&GD&S&=.
M@W^+8YC-+CC7K=@[6,W>=6I:QZ#!_AU*QDT2<B^*R';_\%*T>I"Z\0 \:>RR
M35N<93<^2IPK<Q1'KQ"M!QX^U]R7?&P\3:;(3[_5.-_"'<]'$],_B,MN1MO?
M\ UW:C+_M98. "<NK>*EDV:!:KBY*HFIAINT<Z:1BHX' 8!,4R9F'/;GW$"V
M1[4ELK?IQ=#4P$I\.;"R3N<KSD$Q+: V%7K=;QD1[V=US4(F6G.1#_#L/O(6
MIG/,XOM"SF/-GS<LK=TH?CQG8@^@*[KV*>'26\'N>*;IK)^N9_C% '+6I1GG
MRE=:KD<\>OGQAA^%U&S='A?GP*;Y]F>'S>F%:P]OP*P,(  K!" C/DN-+PY@
MR_2YDG/J3Y$2%WTY XA&4J_DVO]I7Z#N_G+V#_O:='\A!ED<&+$U35]EF4!W
M^P;)W5AB'Z!8;[<1@TM])_H I6%*V*')@8D.] %KICPZMFKH#@C-9685>NVN
M%%C2 [M!#Q?J:<.O5@CL3H:4>9'N>/AJRB'=IMR'1(O\C*/75ZE)TS,E/E=(
M<+(ID1$+\$WNRF B$^(.(39_D=L)= IQR49GL9(^\<14 78.GNU?8Y1XN\L5
M(=V2I?F\U4GMP?.TV(5[ >$OGHWC??19%),GG'XJRVK\HS@M):8=R4KL7YSY
M1^E";HM&+:72W!2@:46Y*_]/G1Y"(GD)XE&B0P1$-T[I-??Q@J_:KNDJ5C3%
M&'&SV/7AW9:2U6HU6$3NU_*Q ;+"QG_WS8-2BFDMU224]*X0Z4YD?<HLR?-E
M6ZI?G! Y3SD!Z="$=[-8<[OCA0'1F[79G;.?H97G=[GVT:V,:='1'.UCO/;A
MF[/-U21:Q^CK>#MX_AIP2EGM4@'@G/;B+/6C?'RIO(\OA*<OCIY@)[Y+BB\)
MC>RTY -3RB893>,[=0G&]3X^;@!5*$?'1C!7:M(\9\M&PV9G-+33^#26MZ\8
M.#>^%LE-$@F%L_6<[P&P9-'.:RW;5 0L>X"0A9"#N5T^&)SV&JRU"!WQ[SWP
MJ^<)\;5"O$1%GBC%SK#_JB?>I&9*K[>-O^GQ+2G?P5X9_;+_JGD+L&?K=$>7
M<#IK7I2O))GF\;7[XMH.MB^RE_C/)H=AT69_+OY*4Y[:L 87EU"X-<XD8R:3
M/O[*!\?0KQO5-RC/@-^$=32-S%*;8&#>D,R*0$,+$6^9*BQ7_ X2*,9K87UH
MWO1**J?<-#;(3:$5%_$M56UN^1IS^,#9 S]BR"R,[LH$39MY_\W1/2AYM]EG
MDN<6L=A4DI.V"MZ3#>[6W:W:_F_I"FOR$&G,;1+B&TL[-Z/J9P?/#IZ(_9UG
M_9TO]@_N4^\/:3J\I.GEXV[L/N;/=F5W^)1_1?WY)X=/XR^W_Q=02P$"% ,4
M    "  #A<I:)17;B70;  #M#P$ $0              @ $     :V%L=2TR
M,#(U,#8Q,"YH=&U02P$"% ,4    "  #A<I:"SX&^8<(   [80  $0
M        @ &C&P  :V%L=2TR,#(U,#8Q,"YX<V102P$"% ,4    "  #A<I:
M[1 +0!8+  #C+@  #P              @ %9)   :V%L=2UE>#DY7S$N:'1M
64$L%!@     #  , NP   )PO      $!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>15
<FILENAME>kalu-20250610_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2024"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="kalu-20250610.xsd" xlink:type="simple"/>
    <context id="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000811596</identifier>
        </entity>
        <period>
            <startDate>2025-06-10</startDate>
            <endDate>2025-06-10</endDate>
        </period>
    </context>
    <dei:AmendmentFlag
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_56a08d60-a175-4997-a7ae-4893a3620454">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_bca84390-97c7-4872-b5d0-b5d8f9ef415e">0000811596</dei:EntityCentralIndexKey>
    <dei:EntityRegistrantName
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_37576466-fa5f-4c90-9a89-26ed75b0850e">KAISER ALUMINUM CORP</dei:EntityRegistrantName>
    <dei:DocumentType
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_acb53b25-5346-4e32-8e72-64c3fab28ec8">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_0992e283-937c-4d90-87d1-f845c11cf6d4">2025-06-10</dei:DocumentPeriodEndDate>
    <dei:EntityIncorporationStateCountryCode
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_20ecd5aa-7593-4877-9674-2570514d391b">DE</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_ffe6917e-e3cb-4461-b327-42918f3ab63d">1-09447</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_bd055f7d-33a4-4b26-8274-944d0a3929f1">94-3030279</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_bf8eab0e-5d24-4265-af36-376440b99f00">1550 West McEwen Drive</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_0b7ebd29-010d-44dc-81b0-8539bf86ecf0">Suite 500</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_4dd44bd5-7b3a-43d4-ab59-8e6a68836249">Franklin</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_7700d9ff-0c6f-46e5-b039-0f15fcd8a240">TN</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_88429eb7-3e88-4c3c-b909-1a09a81bd6a7">37067</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_86953969-d630-49c7-a058-8eb5be5fddaf">(629)</dei:CityAreaCode>
    <dei:LocalPhoneNumber
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_f4795708-6404-435d-8912-c58863e1fea5">252-7040</dei:LocalPhoneNumber>
    <dei:WrittenCommunications
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_b58c4339-616b-46af-80d7-69ce4d96b194">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_99ddecb7-8db6-42cf-88cb-db7c4ce25335">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_22089d06-884d-411d-8dee-2d5512bd1834">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_ca1a3ea3-dfb1-4f38-8b38-0920d463164f">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_4394b61f-8822-4a30-8576-383ea4e7b71b">Common stock, par value $0.01 per share</dei:Security12bTitle>
    <dei:TradingSymbol
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_68805519-b4d2-49df-9713-feaa5f58eb10">KALU</dei:TradingSymbol>
    <dei:SecurityExchangeName
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_5f27cc40-008c-4796-8daa-1ac961106d45">NASDAQ</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany
      contextRef="C_1fc9694b-5f8c-4bf6-9e10-2cc8cea3c82a"
      id="F_94c2a113-b63e-4e3a-9b30-9e8f52f565d0">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
