    <SEC-DOCUMENT>0001104659-17-060203-index.html : 20171002
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    <ACCEPTANCE-DATETIME>20171002154236
    ACCESSION NUMBER:		0001104659-17-060203
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		12
    FILED AS OF DATE:		20171002
    DATE AS OF CHANGE:		20171002
    EFFECTIVENESS DATE:		20171002

    FILER:

    	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

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-05828
    		FILM NUMBER:		171114442

    	BUSINESS ADDRESS:
    		STREET 1:		BNY MELLON BUILDING
    		STREET 2:		1735 MARKET STREET, 15TH FL
    		CITY:			PHILADELPHIA
    		STATE:			PA
    		ZIP:			19103
    		BUSINESS PHONE:		6102082000

    	MAIL ADDRESS:
    		STREET 1:		BNY MELLON BUILDING
    		STREET 2:		1735 MARKET STREET, 15TH FL
    		CITY:			PHILADELPHIA
    		STATE:			PA
    		ZIP:			19103
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