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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 WOEdkC9PRcUb5im57Cg/weK0I6IO+7gBMebcufs+Anl/KNno+XMXrs2+Jvkr5zMZ
 fJt5hfSgBO5BYeuqOiYrLA==

<SEC-DOCUMENT>0001173003-05-000004.txt : 20051216
<SEC-HEADER>0001173003-05-000004.hdr.sgml : 20051216
<ACCEPTANCE-DATETIME>20051216142400
ACCESSION NUMBER:		0001173003-05-000004
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20051214
FILED AS OF DATE:		20051216
DATE AS OF CHANGE:		20051216

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aleris International, Inc.
		CENTRAL INDEX KEY:			0000202890
		STANDARD INDUSTRIAL CLASSIFICATION:	SECONDARY SMELTING & REFINING OF NONFERROUS METALS [3341]
		IRS NUMBER:				752008280
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		25825 SCIENCE PARK DRIVE
		STREET 2:		SUITE 400
		CITY:			BEACHWOOD
		STATE:			OH
		ZIP:			44122
		BUSINESS PHONE:		2169103400

	MAIL ADDRESS:	
		STREET 1:		25825 SCIENCE PARK DRIVE
		STREET 2:		SUITE 400
		CITY:			BEACHWOOD
		STATE:			OH
		ZIP:			44122

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IMCO RECYCLING INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FRONTIER TEXAS CORP
		DATE OF NAME CHANGE:	19881012

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIONEER TEXAS CORP
		DATE OF NAME CHANGE:	19850416

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DEMETRIOU STEVEN J
		CENTRAL INDEX KEY:			0001173003

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07170
		FILM NUMBER:		051269342

	BUSINESS ADDRESS:	
		STREET 1:		C/O COMMONWEALTH INDUSTRIES INC
		STREET 2:		500 WEST JEFFERSON #1900
		CITY:			LOUISVILLE
		STATE:			KY
		ZIP:			40202
		BUSINESS PHONE:		5025898122

	MAIL ADDRESS:	
		STREET 1:		C/O COMONWEALTH INDUSTRIES INC
		STREET 2:		500 WEST JEFFERSON #1900
		CITY:			LOUISVILLE
		STATE:			KY
		ZIP:			40202
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2005-12-14</periodOfReport>

    <issuer>
        <issuerCik>0000202890</issuerCik>
        <issuerName>Aleris International, Inc.</issuerName>
        <issuerTradingSymbol>ARS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001173003</rptOwnerCik>
            <rptOwnerName>DEMETRIOU STEVEN J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>25825 SCIENCE PARK DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 400</rptOwnerStreet2>
            <rptOwnerCity>BEACHWOOD</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44122-7392</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>Chairman and CEO</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Restricted Common Stock, par value $0.10 per share</value>
            </securityTitle>
            <transactionDate>
                <value>2005-12-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>25000</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>189348</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Restricted shares of Common Stock, with 100% of the grant becoming unrestricted on the third anniversary following the date of grant.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Christopher R. Clegg (POA)</signatureName>
        <signatureDate>2005-12-16</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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