    <SEC-DOCUMENT>0001193125-19-295166-index.html : 20191119
    <SEC-HEADER>0001193125-19-295166.hdr.sgml : 20191119
    <ACCEPTANCE-DATETIME>20191119075325
    ACCESSION NUMBER:		0001193125-19-295166
    CONFORMED SUBMISSION TYPE:	424B3
    PUBLIC DOCUMENT COUNT:		11
    FILED AS OF DATE:		20191119
    DATE AS OF CHANGE:		20191119

    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:		424B3
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-224542
    		FILM NUMBER:		191229054

    	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
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