    <SEC-DOCUMENT>0001193125-17-157446-index.html : 20170504
    <SEC-HEADER>0001193125-17-157446.hdr.sgml : 20170504
    <ACCEPTANCE-DATETIME>20170504084233
    ACCESSION NUMBER:		0001193125-17-157446
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20170504
    DATE AS OF CHANGE:		20170504
    EFFECTIVENESS DATE:		20170504

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Arconic Inc.
    		CENTRAL INDEX KEY:			0000004281
    		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
    		IRS NUMBER:				250317820
    		STATE OF INCORPORATION:			PA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-03610
    		FILM NUMBER:		17812071

    	BUSINESS ADDRESS:
    		STREET 1:		390 PARK AVENUE
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022-4608
    		BUSINESS PHONE:		2128362732

    	MAIL ADDRESS:
    		STREET 1:		390 PARK AVENUE
    		CITY:			NEW YORK
    		STATE:			NY
    		ZIP:			10022-4608

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALCOA INC.
    		DATE OF NAME CHANGE:	20141003

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALCOA INC
    		DATE OF NAME CHANGE:	19990105

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	ALUMINUM CO OF AMERICA
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>d390938ddefa14a.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: d390938ddefa14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g390938g75w44.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g390938g75w44.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g390938page003.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g390938page003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g390938page004.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g390938page004.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>