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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 PpIWbEJWNHN5FhashsJFe7wj3f3VuUthS32E3hRWWG4OAF/+dOQDlESHIdDGNG7W
 wyiuFBYc6NpF7BazIQot+A==

<SEC-DOCUMENT>0000276889-03-000043.txt : 20030908
<SEC-HEADER>0000276889-03-000043.hdr.sgml : 20030908
<ACCEPTANCE-DATETIME>20030908104022
ACCESSION NUMBER:		0000276889-03-000043
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20030901
FILED AS OF DATE:		20030908

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUANEX CORP
		CENTRAL INDEX KEY:			0000276889
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				381872178
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1031

	BUSINESS ADDRESS:	
		STREET 1:		1900 W LOOP S STE 1500
		STREET 2:		ATTN THOMAS M BEWLEY
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77027
		BUSINESS PHONE:		7139614600

	MAIL ADDRESS:	
		STREET 1:		1900 WEST LOOP SOUTH
		STREET 2:		SUITE 1500
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77027

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			WELLEK RICHARD L
		CENTRAL INDEX KEY:			0001028620

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05725
		FILM NUMBER:		03885251

	BUSINESS ADDRESS:	
		STREET 1:		2587 STOWE COURT
		CITY:			NORTHBROOK
		STATE:			IL
		ZIP:			60062
		BUSINESS PHONE:		8474801766

	MAIL ADDRESS:	
		STREET 1:		VARLEN CORP
		STREET 2:		55 SHUMAN BLVD PO BOX 3089
		CITY:			NAPERVILLE
		STATE:			IL
		ZIP:			60566
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>c0001028620d20030908f3f.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<ownershipDocument><schemaVersion>X0201</schemaVersion>    <documentType>3</documentType><periodOfReport>2003-09-01</periodOfReport><noSecuritiesOwned>1</noSecuritiesOwned><issuer><issuerCik>0000276889</issuerCik><issuerName>QUANEX CORP</issuerName>        <issuerTradingSymbol>NX</issuerTradingSymbol></issuer><reportingOwner><reportingOwnerId><rptOwnerCik>0001028620</rptOwnerCik><rptOwnerName>WELLEK RICHARD L</rptOwnerName></reportingOwnerId><reportingOwnerAddress><rptOwnerStreet1>1900 WEST LOOP SOUTH</rptOwnerStreet1><rptOwnerStreet2>SUITE 1500</rptOwnerStreet2><rptOwnerCity>HOUSTON</rptOwnerCity><rptOwnerState>TX</rptOwnerState><rptOwnerZipCode>77027</rptOwnerZipCode><rptOwnerStateDescription></rptOwnerStateDescription></reportingOwnerAddress><reportingOwnerRelationship><isDirector>1</isDirector><isOfficer>0</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle></officerTitle><otherText></otherText></reportingOwnerRelationship></reportingOwner><nonDerivativeTable></nonDerivat
iveTable><derivativeTable></derivativeTable><footnotes></footnotes><ownerSignature><signatureName>Richard L Wellek</signatureName><signatureDate>2003-09-08</signatureDate></ownerSignature></ownershipDocument>

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</SEC-DOCUMENT>
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