<SEC-DOCUMENT>0001193125-15-139422-index.html : 20150421
<SEC-HEADER>0001193125-15-139422.hdr.sgml : 20150421
<ACCEPTANCE-DATETIME>20150421111630
ACCESSION NUMBER:		0001193125-15-139422
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20150421
DATE AS OF CHANGE:		20150421
EFFECTIVENESS DATE:		20150421

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ALLEGHENY TECHNOLOGIES INC
		CENTRAL INDEX KEY:			0001018963
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL PIPE & TUBES [3317]
		IRS NUMBER:				251792394
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12001
		FILM NUMBER:		15782421

	BUSINESS ADDRESS:	
		STREET 1:		1000 SIX PPG PLACE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222
		BUSINESS PHONE:		4123942800

	MAIL ADDRESS:	
		STREET 1:		100 SIX PPG PLACE
		CITY:			PITTSBURGH
		STATE:			PA
		ZIP:			15222

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALLEGHENY TELEDYNE INC
		DATE OF NAME CHANGE:	19960716
</SEC-HEADER>
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<TYPE>DEFA14A
<SEQUENCE>1
<FILENAME>d911007ddefa14a.htm
<DESCRIPTION>DEFA14A
<TEXT>
Document 1 - file: d911007ddefa14a.htm

</DOCUMENT>
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<SEQUENCE>2
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<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g911007txs1gbgd.jpg

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<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g911007txs2gbgd.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g911007txs2gbgd.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g911007txs3gbgd.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g911007txs3gbgd.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g911007txs4gbgd.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g911007txs4gbgd.jpg

</DOCUMENT>
</SEC-DOCUMENT>