<SEC-DOCUMENT>0001193125-21-181213-index.html : 20210603
<SEC-HEADER>0001193125-21-181213.hdr.sgml : 20210603
<ACCEPTANCE-DATETIME>20210603152441
ACCESSION NUMBER:		0001193125-21-181213
CONFORMED SUBMISSION TYPE:	S-8
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20210603
DATE AS OF CHANGE:		20210603
EFFECTIVENESS DATE:		20210603

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			KAISER ALUMINUM CORP
		CENTRAL INDEX KEY:			0000811596
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				943030279
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		S-8
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-256743
		FILM NUMBER:		21992280

	BUSINESS ADDRESS:	
		STREET 1:		27422 PORTOLA PARKWAY, SUITE 200
		CITY:			FOOTHILL RANCH
		STATE:			CA
		ZIP:			92610-2831
		BUSINESS PHONE:		949-614-1740

	MAIL ADDRESS:	
		STREET 1:		27422 PORTOLA PARKWAY, SUITE 200
		CITY:			FOOTHILL RANCH
		STATE:			CA
		ZIP:			92610-2831

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	KAISERTECH LTD
		DATE OF NAME CHANGE:	19901122
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-8
<SEQUENCE>1
<FILENAME>d171331ds8.htm
<DESCRIPTION>S-8
<TEXT>
Document 1 - file: d171331ds8.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>d171331dex51.htm
<DESCRIPTION>EX-5.1
<TEXT>
Document 2 - file: d171331dex51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>d171331dex231.htm
<DESCRIPTION>EX-23.1
<TEXT>
Document 3 - file: d171331dex231.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>d171331dex232.htm
<DESCRIPTION>EX-23.2
<TEXT>
Document 4 - file: d171331dex232.htm

</DOCUMENT>
</SEC-DOCUMENT>