<SEC-DOCUMENT>0001104659-16-150565-index.html : 20161018
<SEC-HEADER>0001104659-16-150565.hdr.sgml : 20161018
<ACCEPTANCE-DATETIME>20161017185929
ACCESSION NUMBER:		0001104659-16-150565
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20161018
DATE AS OF CHANGE:		20161017
EFFECTIVENESS DATE:		20161018

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:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-214152
		FILM NUMBER:		161939636

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>a16-19894_1s3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: a16-19894_1s3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>a16-19894_1ex5d1.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: a16-19894_1ex5d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>a16-19894_1ex23d1.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: a16-19894_1ex23d1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g198941kii001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g198941kii001.gif

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g198941bci001.gif
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g198941bci001.gif

</DOCUMENT>
</SEC-DOCUMENT>