<SEC-DOCUMENT>0000949157-18-000079-index.html : 20180801
<SEC-HEADER>0000949157-18-000079.hdr.sgml : 20180801
<ACCEPTANCE-DATETIME>20180801161009
ACCESSION NUMBER:		0000949157-18-000079
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		4
CONFORMED PERIOD OF REPORT:	20180801
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20180801
DATE AS OF CHANGE:		20180801

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CENTURY ALUMINUM CO
		CENTRAL INDEX KEY:			0000949157
		STANDARD INDUSTRIAL CLASSIFICATION:	PRIMARY PRODUCTION OF ALUMINUM [3334]
		IRS NUMBER:				133070826
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-34474
		FILM NUMBER:		18984853

	BUSINESS ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
		BUSINESS PHONE:		3126963101

	MAIL ADDRESS:	
		STREET 1:		1 SOUTH WACKER DRIVE
		STREET 2:		SUITE 1000
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a20180630q28-k.htm
<DESCRIPTION>Q2 2018 8-K
<TEXT>
Document 1 - file: a20180630q28-k.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>exhibit99120180630q2earnin.htm
<DESCRIPTION>Q2 2018 EXHIBIT 99.1
<TEXT>
Document 2 - file: exhibit99120180630q2earnin.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>centuryheaderlogoa40.jpg
<TEXT>
Document 3 - file: centuryheaderlogoa40.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>centuryheaderlogoa41.jpg
<TEXT>
Document 4 - file: centuryheaderlogoa41.jpg

</DOCUMENT>
</SEC-DOCUMENT>