<SEC-DOCUMENT>0001193125-17-168609-index.html : 20170512 <SEC-HEADER>0001193125-17-168609.hdr.sgml : 20170512 <ACCEPTANCE-DATETIME>20170512161321 ACCESSION NUMBER: 0001193125-17-168609 CONFORMED SUBMISSION TYPE: S-8 PUBLIC DOCUMENT COUNT: 4 FILED AS OF DATE: 20170512 DATE AS OF CHANGE: 20170512 EFFECTIVENESS DATE: 20170512 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: S-8 SEC ACT: 1933 Act SEC FILE NUMBER: 333-217942 FILM NUMBER: 17838780 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>S-8 <SEQUENCE>1 <FILENAME>d397086ds8.htm <DESCRIPTION>FORM S-8 <TEXT> Document 1 - file: d397086ds8.htm
</DOCUMENT> <DOCUMENT> <TYPE>EX-5.1 <SEQUENCE>2 <FILENAME>d397086dex51.htm <DESCRIPTION>EX-5.1 <TEXT> Document 2 - file: d397086dex51.htm
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</DOCUMENT> <DOCUMENT> <TYPE>GRAPHIC <SEQUENCE>4 <FILENAME>g397086ex51pg1.jpg <DESCRIPTION>GRAPHIC <TEXT> Document 4 - file: g397086ex51pg1.jpg
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