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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 Skw9J4KqtDmaLLL1FgmMtg==

<SEC-DOCUMENT>0001256543-04-000038.txt : 20041028
<SEC-HEADER>0001256543-04-000038.hdr.sgml : 20041028
<ACCEPTANCE-DATETIME>20041028184535
ACCESSION NUMBER:		0001256543-04-000038
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20041101
FILED AS OF DATE:		20041028
DATE AS OF CHANGE:		20041028

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:			CA
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		350 S GRAND AVE STE 5100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
		BUSINESS PHONE:		2136877700

	MAIL ADDRESS:	
		STREET 1:		350 S GRAND AVE STE 5100
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			KAMINSKI MARK V
		CENTRAL INDEX KEY:			0001121844
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13122
		FILM NUMBER:		041103908

	BUSINESS ADDRESS:	
		STREET 1:		C/O COMMON WEALTH INDUSTRIES INC
		STREET 2:		500 WEST JEFFERSON SUITE 1900
		CITY:			LOUISVILLE
		STATE:			KY
		ZIP:			40202
		BUSINESS PHONE:		5025898100

	MAIL ADDRESS:	
		STREET 1:		C/O COMMONWEALTH INDUSTRIES INC
		STREET 2:		500 WEST JEFFERSON SUITE 1900
		CITY:			LOUISVILLE
		STATE:			KY
		ZIP:			40202
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2004-11-01</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

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

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001121844</rptOwnerCik>
            <rptOwnerName>KAMINSKI MARK V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3521 WINTERBERRY CIRCLE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>LOUISVILLE</rptOwnerCity>
            <rptOwnerState>KY</rptOwnerState>
            <rptOwnerZipCode>40207</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3031</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes></footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Mark V. Kaminski by Kay Rustand as his attorney in fact</signatureName>
        <signatureDate>2004-10-28</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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