<SEC-DOCUMENT>0000949157-18-000014-index.html : 20180222
<SEC-HEADER>0000949157-18-000014.hdr.sgml : 20180222
<ACCEPTANCE-DATETIME>20180222161552
ACCESSION NUMBER:		0000949157-18-000014
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180221
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180222
DATE AS OF CHANGE:		20180222

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CENTURY ALUMINUM CO
		CENTRAL INDEX KEY:			0000949157
		STANDARD INDUSTRIAL CLASSIFICATION:	PRIMARY PRODUCTION OF ALUMINUM [3334]
		IRS NUMBER:				133070826
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34474
		FILM NUMBER:		18632715

	BUSINESS ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126963101

	MAIL ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a20171231q48-k.htm
<DESCRIPTION>Q4 2017 8-K
<TEXT>
Document 1 - file: a20171231q48-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a20171231q4earningsrelease.htm
<DESCRIPTION>Q4 2017 EXHIBIT 99.1
<TEXT>
Document 2 - file: a20171231q4earningsrelease.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>centuryheaderlogoa28.jpg
<TEXT>
Document 3 - file: centuryheaderlogoa28.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>centuryheaderlogoa30.jpg
<TEXT>
Document 4 - file: centuryheaderlogoa30.jpg

</DOCUMENT>
</SEC-DOCUMENT>