<SEC-DOCUMENT>0001193125-21-267260-index.html : 20210908
<SEC-HEADER>0001193125-21-267260.hdr.sgml : 20210908
<ACCEPTANCE-DATETIME>20210908073853
ACCESSION NUMBER:		0001193125-21-267260
CONFORMED SUBMISSION TYPE:	305B2
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20210908
DATE AS OF CHANGE:		20210908
EFFECTIVENESS DATE:		20210908

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:		305B2
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-254906
		FILM NUMBER:		211240694

	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>
<DOCUMENT>
<TYPE>305B2
<SEQUENCE>1
<FILENAME>d226606d305b2.htm
<DESCRIPTION>305B2
<TEXT>
Document 1 - file: d226606d305b2.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.6
<SEQUENCE>2
<FILENAME>d226606dex996.htm
<DESCRIPTION>EX-99.6
<TEXT>
Document 2 - file: d226606dex996.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.7
<SEQUENCE>3
<FILENAME>d226606dex997.htm
<DESCRIPTION>EX-99.7
<TEXT>
Document 3 - file: d226606dex997.htm

</DOCUMENT>
</SEC-DOCUMENT>