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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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<SEC-DOCUMENT>0001217496-03-000007.txt : 20031029
<SEC-HEADER>0001217496-03-000007.hdr.sgml : 20031029
<ACCEPTANCE-DATETIME>20031029150817
ACCESSION NUMBER:		0001217496-03-000007
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20031027
FILED AS OF DATE:		20031029

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HEWSON MARILLYN A
		CENTRAL INDEX KEY:			0001217496

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05828
		FILM NUMBER:		03963422

	MAIL ADDRESS:	
		STREET 1:		C/O CARPENTER TECHNOLOGY CORPORATION
		STREET 2:		1047 N. PARK ROAD
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CARPENTER TECHNOLOGY CORP
		CENTRAL INDEX KEY:			0000017843
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		IRS NUMBER:				230458500
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	BUSINESS ADDRESS:	
		STREET 1:		1047 N PARK ROAD
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610-1339
		BUSINESS PHONE:		6102082000

	MAIL ADDRESS:	
		STREET 1:		1047 N PARK ROAD
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19610
</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>2003-10-27</periodOfReport>
    <issuer>
        <issuerCik>0000017843</issuerCik>
        <issuerName>CARPENTER TECHNOLOGY CORP</issuerName>
        <issuerTradingSymbol>CRS</issuerTradingSymbol></issuer><reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001217496</rptOwnerCik>
            <rptOwnerName>HEWSON MARILLYN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CARPENTER TECHNOLOGY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>101 WEST BERN STREET</rptOwnerStreet2>
            <rptOwnerCity>READING</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19601</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>1023</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></nonDerivativeHolding></nonDerivativeTable><derivativeTable><derivativeTransaction><securityTitle><value>Stock Option (Right to Buy)</value><footnoteId id="F1"/></securityTitle><conversionOrExercisePrice><value>25.59</value></conversionOrExercisePrice><transactionDate><value>2003-10-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><tran
sactionAmounts><transactionShares><value>4000</value></transactionShares><transactionPricePerShare><footnoteId id="F1"/></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><value>2004-10-27</value></exerciseDate><expirationDate><value>2013-10-27</value></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>4000</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>4000</value></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><natureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction><derivativeTransaction><securityTitle><value>Stock Units</value></securityTitle><conversionOrExercisePrice><footnoteId id="F2"/></conversionOrExercisePrice><
transactionDate><value>2003-10-27</value></transactionDate><transactionCoding><transactionFormType>4</transactionFormType><transactionCode>A</transactionCode><equitySwapInvolved>0</equitySwapInvolved></transactionCoding><transactionAmounts><transactionShares><value>781.56</value></transactionShares><transactionPricePerShare><value>25.59</value></transactionPricePerShare><transactionAcquiredDisposedCode><value>A</value></transactionAcquiredDisposedCode></transactionAmounts><exerciseDate><footnoteId id="F3"/></exerciseDate><expirationDate><footnoteId id="F3"/></expirationDate><underlyingSecurity><underlyingSecurityTitle><value>Common Stock</value></underlyingSecurityTitle><underlyingSecurityShares><value>781.56</value></underlyingSecurityShares></underlyingSecurity><postTransactionAmounts><sharesOwnedFollowingTransaction><value>3780.73</value><footnoteId id="F4"/></sharesOwnedFollowingTransaction></postTransactionAmounts><ownershipNature><directOrIndirectOwnership><value>D</value></directOrIndirectOwnership><n
atureOfOwnership><value/></natureOfOwnership></ownershipNature></derivativeTransaction></derivativeTable><footnotes><footnote id="F1">The reporting person was granted an option to buy shares of common stock under the Carpenter Technology Corporation Stock-Based Compensation Plan for Non-Employee Directors</footnote><footnote id="F2">Converts to common stock on a 1-for-1 basis</footnote><footnote id="F3">Payable upon retirement</footnote><footnote id="F4">Includes dividend equivalents</footnote></footnotes><remarks/><ownerSignature><signatureName>David A. Christiansen/POA</signatureName><signatureDate>2003-10-29</signatureDate></ownerSignature></ownershipDocument>

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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>3
<FILENAME>hew03poa.htm
<DESCRIPTION>POA TO TERRENCE E. GEREMSKI AND/OR DAVID A. CHRISTIANSEN FOR SEC FILINGS
<TEXT>
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<TITLE>POWER OF ATTORNEY</TITLE>
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<FONT SIZE=2><P ALIGN="CENTER">POWER OF ATTORNEY</P>
<P ALIGN="CENTER"></P>
<P>&nbsp;</P>
<P>The undersigned hereby constitutes and appoints Terrence E. Geremski and David A. Christiansen, and each of them, with full power to act without the other, as true and lawful attorneys-in-fact and agents to sign U.S. Securities and Exchange Commission Form 3, Initial Statement of Beneficial Ownership of Securities; Form 4, Statement of Changes in Beneficial Ownership; and Form 5, Annual Statement of Changes in Beneficial Ownership, which Forms are required to be filed with the Securities and Exchange Commission under the Securities Exchange Act of 1934, as amended, to sign any and all amendments for such Forms 3, 4 and 5; and to file the same, together with all exhibits or other documents in connection therewith, with the Securities and Exchange Commission; granting to such attorneys-in-fact, and each of them, full power and authority to do and perform each and every act required to be done in connection therewith, as fully as the undersigned might or could do in person, hereby ratifying and confirming al
l that such attorneys-in-fact or any of them, or their substitutes, may do or cause to be done by virtue thereof.</P>
<P>I hereby approve, ratify, and confirm any action taken by my said attorneys and successors appointed hereunder, until this power is duly revoked under my hand.</P>
<P>IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney on the 21st of August, 2003.</P>

<U><P>/s/Marillyn A. Hewson                                                                        </P>
</U><P>Marillyn A. Hewson</P>

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