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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 LPI8ThCAApUv8KK1Ck7o6InTpIl9mYoujgHejPGhUodHPZu5my0SEH6t9s8aCr4u
 61oZ5bkf+uCioJje39dU4Q==

<SEC-DOCUMENT>0001121844-04-000002.txt : 20040102
<SEC-HEADER>0001121844-04-000002.hdr.sgml : 20040101
<ACCEPTANCE-DATETIME>20040102155759
ACCESSION NUMBER:		0001121844-04-000002
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20040101
FILED AS OF DATE:		20040102

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			COMMONWEALTH INDUSTRIES INC/DE/
		CENTRAL INDEX KEY:			0000934747
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				133245741
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 WEST JEFFERSON STREET
		STREET 2:		PNC PLAZA - 19TH FLOOR
		CITY:			LOUISVILLE
		STATE:			KY
		ZIP:			40202-2823
		BUSINESS PHONE:		502-589-8100

	MAIL ADDRESS:	
		STREET 1:		500 WEST JEFFERSON STREET
		STREET 2:		PNC PLAZA - 19TH FLOOR
		CITY:			LOUISVILLE
		STATE:			KY
		ZIP:			40202-2823

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMMONWEALTH ALUMINUM CORP
		DATE OF NAME CHANGE:	19941228

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:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-25642
		FILM NUMBER:		04501355

	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>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>
    <schemaVersion>X0201</schemaVersion>

    <documentType>4</documentType><periodOfReport>2004-01-01</periodOfReport>
    <issuer>
        <issuerCik>0000934747</issuerCik>
        <issuerName>COMMONWEALTH INDUSTRIES INC/DE/</issuerName>
        <issuerTradingSymbol>CMIN</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001121844</rptOwnerCik>
            <rptOwnerName>KAMINSKI MARK V</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>500 W. JEFFERSON STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 1900</rptOwnerStreet2>
            <rptOwnerCity>LOUISVILLE</rptOwnerCity>
            <rptOwnerState>KY</rptOwnerState>
            <rptOwnerZipCode>40202</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
            <reportingOwnerRelationship>
<isDirector>1</isDirector><isOfficer>1</isOfficer><isTenPercentOwner>0</isTenPercentOwner><isOther>0</isOther><officerTitle>President &amp; CEO</officerTitle></reportingOwnerRelationship></reportingOwner><derivativeTable><derivativeTransaction><securityTitle><value>Option (Right to Buy)</value></securityTitle><conversionOrExercisePrice><value>9.545</value></conversionOrExercisePrice><transactionDate><value>2004-01-01</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>138228</value></transactionShares><transactionPricePerShare><value>9.545</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2007-01-01</value></exerciseDate><expirationDate><value>2014-01-01</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><v
alue>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>138228</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>138228</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes/><remarks/><ownerSignature><signatureName>Lenna Ruth Macdonald (POA)</signatureName><signatureDate>2004-01-02</signatureDate></ownerSignature></ownershipDocument>

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