<SEC-DOCUMENT>0001209191-13-054368.txt : 20131127
<SEC-HEADER>0001209191-13-054368.hdr.sgml : 20131127
<ACCEPTANCE-DATETIME>20131127145216
ACCESSION NUMBER:		0001209191-13-054368
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20131126
FILED AS OF DATE:		20131127
DATE AS OF CHANGE:		20131127

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:		2 MERIDIAN BOULEVARD
		CITY:			WYOMISSING
		STATE:			PA
		ZIP:			19612
		BUSINESS PHONE:		6102082000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 14662
		CITY:			READING
		STATE:			PA
		ZIP:			19612-4662

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			HICKS THOMAS O
		CENTRAL INDEX KEY:			0000938201

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05828
		FILM NUMBER:		131247366

	MAIL ADDRESS:	
		STREET 1:		200 CRESCENT COURT
		STREET 2:		SUITE 1600
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
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    <schemaVersion>X0306</schemaVersion>

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    <periodOfReport>2013-11-26</periodOfReport>

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        <issuerCik>0000017843</issuerCik>
        <issuerName>CARPENTER TECHNOLOGY CORP</issuerName>
        <issuerTradingSymbol>CRS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000938201</rptOwnerCik>
            <rptOwnerName>HICKS THOMAS O</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CARPENTER TECHNOLOGY CORPORATION</rptOwnerStreet1>
            <rptOwnerStreet2>PO BOX 14662</rptOwnerStreet2>
            <rptOwnerCity>READING</rptOwnerCity>
            <rptOwnerState>PA</rptOwnerState>
            <rptOwnerZipCode>19612</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
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                <value>Common Stock</value>
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            <transactionDate>
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            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
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            <transactionAmounts>
                <transactionShares>
                    <value>15777</value>
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                <transactionPricePerShare>
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                    <footnoteId id="F1"/>
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                    <value>See Footnote</value>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
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                </sharesOwnedFollowingTransaction>
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                <directOrIndirectOwnership>
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                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F6"/>
                </natureOfOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2013-11-26</value>
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            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>15777</value>
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                <transactionPricePerShare>
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                    <footnoteId id="F7"/>
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                <transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
                    <value>54760</value>
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            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
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                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F8"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-11-26</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>18932</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>60.6104</value>
                    <footnoteId id="F9"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            </postTransactionAmounts>
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                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F10"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2013-11-26</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>23143</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>60.6104</value>
                    <footnoteId id="F11"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>75592</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F12"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>199518</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>I</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value>See Footnote</value>
                    <footnoteId id="F13"/>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The sales price represents a weighted average of the sales prices for multiple transactions on the same trading day.  The range of sales prices was $60.50  to $61.02.  Thomas O. Hicks (the &quot;Principal&quot;) will provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F2">The Principal may be deemed to beneficially own 54,760 shares of Common Stock held indirectly through TOH Jr. Ventures Ltd. The Principal disclaims beneficial ownership of these shares of Common Stock except to the extent of his pecuniary interest therein, and the filing of this Form 4 shall not be deemed an admission that the Principal is the beneficial owner of the securities for purposes of Section 13 or Section 16 of the Securities Exchange Act of 1933, as amended, or for any other purpose.</footnote>
        <footnote id="F3">The sales price represents a weighted average of the sales prices for multiple transactions on the same trading day.  The range of sales prices was  $60.50  to $61.02.  The Principal will provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F4">The Principal may be deemed to beneficially own 54,760 shares of Common Stock held indirectly through MHH Ventures Ltd. The Principal disclaims beneficial ownership of these shares of Common Stock except to the extent of his pecuniary interest therein, and the filing of this Form 4 shall not be deemed an admission that the Principal is the beneficial owner of the securities for purposes of Section 13 or Section 16 of the Securities Exchange Act of 1933, as amended, or for any other purpose.</footnote>
        <footnote id="F5">The sales price represents a weighted average of the sales prices for multiple transactions on the same trading day.  The range of sales prices was  $60.50  to $61.02.  The Principal will provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F6">The Principal may be deemed to beneficially own 54,760 shares of Common Stock held indirectly through JAH Ventures Ltd. The Principal disclaims beneficial ownership of these shares of Common Stock except to the extent of his pecuniary interest therein, and the filing of this Form 4 shall not be deemed an admission that the Principal is the beneficial owner of the securities for purposes of Section 13 or Section 16 of the Securities Exchange Act of 1933, as amended, or for any other purpose.</footnote>
        <footnote id="F7">The sales price represents a weighted average of the sales prices for multiple transactions on the same trading day.  The range of sales prices was  $60.50  to $61.02.  The Principal will provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F8">The Principal may be deemed to beneficially own 54,760 shares of Common Stock held indirectly through RBH Ventures Ltd. The Principal disclaims beneficial ownership of these shares of Common Stock except to the extent of his pecuniary interest therein, and the filing of this Form 4 shall not be deemed an admission that the Principal is the beneficial owner of the securities for purposes of Section 13 or Section 16 of the Securities Exchange Act of 1933, as amended, or for any other purpose.</footnote>
        <footnote id="F9">The sales price represents a weighted average of the sales prices for multiple transactions on the same trading day.  The range of sales prices was  $60.50  to $61.02.  The Principal will provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F10">The Principal may be deemed to beneficially own 65,711 shares of Common Stock held indirectly through WCH Ventures Ltd. The Principal disclaims beneficial ownership of these shares of Common Stock except to the extent of his pecuniary interest therein, and the filing of this Form 4 shall not be deemed an admission that the Principal is the beneficial owner of the securities for purposes of Section 13 or Section 16 of the Securities Exchange Act of 1933, as amended, or for any other purpose.</footnote>
        <footnote id="F11">The sales price represents a weighted average of the sales prices for multiple transactions on the same trading day.  The range of sales prices was  $60.50  to $61.02.  The Principal will provide upon request by the Commission staff, the issuer, or a security holder of the issuer, full information regarding the number of shares sold at each separate price.</footnote>
        <footnote id="F12">The Principal may be deemed to beneficially own 75,592 shares of Common Stock held indirectly through CFH Ventures Ltd. The Principal disclaims beneficial ownership of these shares of Common Stock except to the extent of his pecuniary interest therein, and the filing of this Form 4 shall not be deemed an admission that the Principal is the beneficial owner of the securities for purposes of Section 13 or Section 16 of the Securities Exchange Act of 1933, as amended, or for any other purpose.</footnote>
        <footnote id="F13">The Principal may be deemed to beneficially own 199,518 shares of Common Stock held indirectly through shares held by HHEP-Latrobe LP. The Principal disclaims beneficial ownership of these shares of Common Stock except to the extent of his pecuniary interest therein, and the filing of this Form 4 shall not be deemed an admission that the Principal is the beneficial owner of the securities for purposes of Section 13 or Section 16 of the Securities Exchange Act of 1933, as amended, or for any other purpose.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Thomas O. Hicks</signatureName>
        <signatureDate>2013-11-26</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</SEC-DOCUMENT>
