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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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 D7pukfJKnqM4jgZCJDbNkw==

<SEC-DOCUMENT>0001127602-09-019910.txt : 20091002
<SEC-HEADER>0001127602-09-019910.hdr.sgml : 20091002
<ACCEPTANCE-DATETIME>20091002102258
ACCESSION NUMBER:		0001127602-09-019910
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090930
FILED AS OF DATE:		20091002
DATE AS OF CHANGE:		20091002

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GERBER WILLIAM K
		CENTRAL INDEX KEY:			0001211265

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13696
		FILM NUMBER:		091100597

	MAIL ADDRESS:	
		STREET 1:		999 WEST BIG BEAVER ROAD
		CITY:			TROY
		STATE:			MI
		ZIP:			48084

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			AK STEEL HOLDING CORP
		CENTRAL INDEX KEY:			0000918160
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		IRS NUMBER:				311401455
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		9227 CENTRE POINTE DRIVE
		CITY:			WEST CHESTER
		STATE:			OH
		ZIP:			45069
		BUSINESS PHONE:		5134255000

	MAIL ADDRESS:	
		STREET 1:		9227 CENTRE POINTE DRIVE
		CITY:			WEST CHESTER
		STATE:			OH
		ZIP:			45069
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-09-30</periodOfReport>

    <issuer>
        <issuerCik>0000918160</issuerCik>
        <issuerName>AK STEEL HOLDING CORP</issuerName>
        <issuerTradingSymbol>AKS</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001211265</rptOwnerCik>
            <rptOwnerName>GERBER WILLIAM K</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>9227 CENTRE POINTE DRIVE</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>WEST CHESTER</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>45069</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2009-09-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>1329.072</value>
                    <footnoteId id="F1"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>8341.367</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">The securities reported in this column consist of restricted stock units which give the reporting person a contractual right to receive at a future date one share of common stock of AK Steel Holding Corporation for each restricted stock unit held.</footnote>
        <footnote id="F2">The number of securities reported in this column includes 4,555.367 restricted stock units held by the reporting person as of the date of this filing.  That includes 7.536 restricted stock units that were acquired as a result of the reinvestment of dividends paid by the company on September 10, 2009.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Amy Collins, attorney-in-fact for Mr. Gerber</signatureName>
        <signatureDate>2009-10-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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