-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0000893877-04-000123.txt : 20040506
<SEC-HEADER>0000893877-04-000123.hdr.sgml : 20040506
<ACCEPTANCE-DATETIME>20040506122103
ACCESSION NUMBER:		0000893877-04-000123
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040504
FILED AS OF DATE:		20040506

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WILDER SANDRA
		CENTRAL INDEX KEY:			0001269681

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22496
		FILM NUMBER:		04784002

	BUSINESS ADDRESS:	
		STREET 1:		3200 NW YEON AVE
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97210
		BUSINESS PHONE:		5032249900

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHNITZER GARY
		CENTRAL INDEX KEY:			0001249516

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-22496
		FILM NUMBER:		04784003

	BUSINESS ADDRESS:	
		STREET 1:		3200 NW YEON AVENUE
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97210
		BUSINESS PHONE:		5032249900

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SCHNITZER STEEL INDUSTRIES INC
		CENTRAL INDEX KEY:			0000912603
		STANDARD INDUSTRIAL CLASSIFICATION:	WHOLESALE-MISC DURABLE GOODS [5090]
		IRS NUMBER:				930341923
		STATE OF INCORPORATION:			OR
		FISCAL YEAR END:			0831

	BUSINESS ADDRESS:	
		STREET 1:		3200 NW YEON AVE
		STREET 2:		P O BOX 10047
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97210-0047
		BUSINESS PHONE:		5032249900

	MAIL ADDRESS:	
		STREET 1:		P O BOX 10047
		CITY:			PORTLAND
		STATE:			OR
		ZIP:			97210
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-05-04</periodOfReport>

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        <issuerName>SCHNITZER STEEL INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>SCHN</issuerTradingSymbol>
    </issuer>

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            <rptOwnerName>SCHNITZER GARY</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>3200 NW YEON AVENUE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PORTLAND</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>1</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Ex. VP - CA Scrap Operations</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

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            <rptOwnerName>WILDER SANDRA</rptOwnerName>
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            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>PORTLAND</rptOwnerCity>
            <rptOwnerState>OR</rptOwnerState>
            <rptOwnerZipCode>97210</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>0</isOfficer>
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            <isOther>0</isOther>
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    </reportingOwner>

    <nonDerivativeTable>
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            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
                <value>2004-05-04</value>
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            <transactionCoding>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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                    <value></value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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            <transactionDate>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionAmounts>
                <transactionShares>
                    <value>1746</value>
                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                <natureOfOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Class A Common Stock</value>
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                </natureOfOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
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                <transactionPricePerShare>
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        <nonDerivativeTransaction>
            <securityTitle>
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            <transactionDate>
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                <transactionFormType>4</transactionFormType>
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            <securityTitle>
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            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
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            <transactionDate>
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                <transactionPricePerShare>
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                </underlyingSecurityShares>
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                <directOrIndirectOwnership>
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        <derivativeTransaction>
            <securityTitle>
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                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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                <transactionFormType>4</transactionFormType>
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                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
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                <footnoteId id="F1"/>
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                <sharesOwnedFollowingTransaction>
                    <value>110803</value>
                </sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2004-05-05</value>
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                <transactionFormType>4</transactionFormType>
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            <transactionAmounts>
                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>5942</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>104861</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Trust</value>
                    <footnoteId id="F3"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
        <derivativeHolding>
            <securityTitle>
                <value>Class B Common Stock</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <exerciseDate>
                <footnoteId id="F1"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Class A Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1420</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1420</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>By Voting Trust</value>
                    <footnoteId id="F4"/>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Class B Common Stock is immediately convertible on a one-for-one basis into Class A Common Stock and has no expiration date.</footnote>
        <footnote id="F2">Voting trust certificates are held by Gary Schnitzer.</footnote>
        <footnote id="F3">Shares are held by Gary Schnitzer, Trustee for Gary Schnitzer et al. under Trust Agreement dated January 30, 1970.</footnote>
        <footnote id="F4">Voting trust certificates are held by Sandra Wilder.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Charles A. Ford, Attorney-In-Fact</signatureName>
        <signatureDate>2004-05-06</signatureDate>
    </ownerSignature>
</ownershipDocument>

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