<SEC-DOCUMENT>0001123292-21-001155.txt : 20210729
<SEC-HEADER>0001123292-21-001155.hdr.sgml : 20210729
<ACCEPTANCE-DATETIME>20210729160229
ACCESSION NUMBER:		0001123292-21-001155
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20210720
FILED AS OF DATE:		20210729
DATE AS OF CHANGE:		20210729

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Seeger David W
		CENTRAL INDEX KEY:			0001753192

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13122
		FILM NUMBER:		211127326

	MAIL ADDRESS:	
		STREET 1:		227 WEST MONROE STREET, SUITE 2600
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RELIANCE STEEL & ALUMINUM CO
		CENTRAL INDEX KEY:			0000861884
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-METALS SERVICE CENTERS & OFFICES [5051]
		IRS NUMBER:				951142616
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		350 S GRAND AVE STE 5100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
		BUSINESS PHONE:		213-687-7700

	MAIL ADDRESS:	
		STREET 1:		350 S GRAND AVE STE 5100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
</SEC-HEADER>
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<TYPE>3
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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    <documentType>3</documentType>

    <periodOfReport>2021-07-20</periodOfReport>

    <noSecuritiesOwned>1</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000861884</issuerCik>
        <issuerName>RELIANCE STEEL &amp; ALUMINUM CO</issuerName>
        <issuerTradingSymbol>RS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001753192</rptOwnerCik>
            <rptOwnerName>Seeger David W</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>350 SOUTH GRAND AVENUE, SUITE 5100</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOS ANGELES</rptOwnerCity>
            <rptOwnerState>CA</rptOwnerState>
            <rptOwnerZipCode>90071</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
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            <otherText></otherText>
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    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <remarks>Exhibit 24 - Power of Attorney</remarks>

    <ownerSignature>
        <signatureName>/s/ David W. Seeger by William A. Smith II as his Attorney-in-Fact</signatureName>
        <signatureDate>2021-07-29</signatureDate>
    </ownerSignature>
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<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poaseeger.htm
<DESCRIPTION>EXHIBIT 24 - POWER OF ATTORNEY
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    <div style="text-align: center; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt; font-weight: bold;">SPECIAL POWER OF ATTORNEY</div>
    <div style="line-height: 12.55pt">&#160;</div>
    <div style="text-indent: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">The undersigned is an officer and/or director of Reliance Steel &amp; Aluminum&#160;Co., a Delaware corporation (&#8220;Reliance&#8221;), and
      hereby makes, constitutes and appoints each of Karla Lewis, President of Reliance, and William&#160;A. Smith&#160;II, Senior Vice President, General Counsel and Corporate Secretary of Reliance, or either of them, to act severally as attorney-in-fact and agent,
      with power of substitution and resubstitution for each of them in any and all capacities to:</div>
    <div style="line-height: 12.55pt">&#160;</div>
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            <div style="margin-left: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">(1)</div>
          </td>
          <td style="width: 88.46%; vertical-align: top;">
            <div style="line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">prepare, execute in the undersigned&#8217;s name and on the undersigned&#8217;s behalf, and submit to the U.S. Securities and Exchange Commission
              (the &#8220;SEC&#8221;) a Form ID, including amendments thereto, and any other documents necessary or appropriate to obtain codes and passwords enabling the undersigned to make electronic filings with the SEC of reports required by Section 16(a) of the
              Securities Exchange Act of 1934, as amended (the &#8220;Act&#8221;) or any rule or regulation of the SEC;</div>
            <div style="line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;"> <br>
            </div>
          </td>
        </tr>
        <tr>
          <td style="width: 11.54%; vertical-align: top;">
            <div style="margin-left: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">(2)</div>
          </td>
          <td style="width: 88.46%; vertical-align: top;">
            <div style="line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">prepare and execute any Form&#160;3, 4 or 5 or any similar report, or any amendment thereof, for and on behalf of the undersigned, to report
              the undersigned's beneficial ownership of Reliance securities or any changes in such beneficial ownership of Reliance securities and to timely file any such report or amendment with the SEC and the New York Stock Exchange or any other
              appropriate regulatory agency, and the undersigned hereby ratifies and confirms all that said attorneys-in-fact, or substitute or substitutes, may do or cause to be done by virtue of this Special Power of Attorney; and</div>
            <div style="line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;"> <br>
            </div>
          </td>
        </tr>
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            <div style="margin-left: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">(3)</div>
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          <td style="width: 88.46%; vertical-align: top;">
            <div style="line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">take any other action of any type whatsoever in connection with the foregoing which, in the opinion of such attorney-in-fact, may be of
              benefit to, in the best interest of, or legally required by, the undersigned, it being understood that the documents executed by such attorney-in-fact on behalf of the undersigned pursuant to this Special Power of Attorney shall be in such
              form and shall contain such terms and conditions as such attorney-in-fact may approve in such attorney-in-fact&#8217;s discretion.</div>
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    </table>
    <div style="text-indent: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;"> <br>
    </div>
    <div style="text-indent: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the
      undersigned, are not assuming, nor is Reliance assuming, any of the undersigned&#8217;s responsibilities to comply with Section&#160;16 of the Act.</div>
    <div style="line-height: 12.55pt">&#160;</div>
    <div style="text-indent: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">This Special Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file
      Forms&#160;3, 4, and 5 with respect to the undersigned&#8217;s holdings of and transactions in securities issued by Reliance, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact.</div>
    <div style="line-height: 12.55pt">&#160;</div>
    <div style="text-indent: 36pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">IN WITNESS WHEREOF, the undersigned has executed this Special Power of Attorney on July 22, 2021.</div>
    <div style="line-height: 12.55pt">&#160;</div>
    <div style="line-height: 12.55pt;"><br style="line-height: 12.55pt;">
    </div>
    <div style="text-indent: 36pt; margin-left: 180pt; line-height: 12.55pt;"><font style="font-family: 'Times New Roman', serif; font-size: 11pt;"><u>/s/ David W. Seeger</u></font><font style="text-indent: 0px; font-size: 5.14pt;" id="TRGRRTFtoHTMLTab">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div>
    <div style="text-indent: 36pt; margin-left: 180pt; line-height: 12.55pt; font-family: 'Times New Roman', serif; font-size: 11pt;">Name:&#160; David W. Seeger</div>
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