<SEC-DOCUMENT>0000899243-15-000104.txt : 20150702
<SEC-HEADER>0000899243-15-000104.hdr.sgml : 20150702
<ACCEPTANCE-DATETIME>20150702152936
ACCESSION NUMBER:		0000899243-15-000104
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150630
FILED AS OF DATE:		20150702
DATE AS OF CHANGE:		20150702

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			TimkenSteel Corp
		CENTRAL INDEX KEY:			0001598428
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES  ROLLING MILLS (COKE OVENS) [3312]
		IRS NUMBER:				464024951
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1835 DUEBER AVENUE SW
		CITY:			CANTON
		STATE:			OH
		ZIP:			44706-0928
		BUSINESS PHONE:		330-471-7000

	MAIL ADDRESS:	
		STREET 1:		1835 DUEBER AVENUE SW
		CITY:			CANTON
		STATE:			OH
		ZIP:			44706-0928

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Carrabba Joseph A
		CENTRAL INDEX KEY:			0001328270

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36313
		FILM NUMBER:		15969326

	MAIL ADDRESS:	
		STREET 1:		CLEVELAND CLIFFS INC
		STREET 2:		1100 SUPERIOR AVENUE
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44114
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc4.xml
<DESCRIPTION>FORM 4 SUBMISSION
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2015-06-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0001598428</issuerCik>
        <issuerName>TimkenSteel Corp</issuerName>
        <issuerTradingSymbol>TMST</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001328270</rptOwnerCik>
            <rptOwnerName>Carrabba Joseph A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1835 DUEBER AVE., S.W.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CANTON</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44706-2789</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Phantom Shares</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2015-06-30</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>219.99</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>26.99</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F2"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F2"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>219.99</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>1594.99</value>
                    <footnoteId id="F3"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Each phantom share is the equivalent of one Issuer common share.</footnote>
        <footnote id="F2">Phantom shares are payable in cash and/or common shares upon termination of the Reporting Person's service on the Board of Directors, as elected by the Reporting Person at the time he elected to defer compensation under the TimkenSteel Corporation Director Deferred Compensation Plan.</footnote>
        <footnote id="F3">Includes 1,375 phantom shares previously reported in Table I on Form 4s filed on May 8, 2015 and May 13, 2015, but which phantom shares are now reported in Table II as they may be settled in cash.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Frank A. DiPiero, as Attorney-in-Fact</signatureName>
        <signatureDate>2015-07-02</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
