<SEC-DOCUMENT>0000891839-11-000104.txt : 20111214
<SEC-HEADER>0000891839-11-000104.hdr.sgml : 20111214
<ACCEPTANCE-DATETIME>20111214085842
ACCESSION NUMBER:		0000891839-11-000104
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20111212
FILED AS OF DATE:		20111214
DATE AS OF CHANGE:		20111214

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GRAHAM CORP
		CENTRAL INDEX KEY:			0000716314
		STANDARD INDUSTRIAL CLASSIFICATION:	GENERAL INDUSTRIAL MACHINERY & EQUIPMENT [3560]
		IRS NUMBER:				161194720
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0331

	BUSINESS ADDRESS:	
		STREET 1:		20 FLORENCE AVE
		CITY:			BATAVIA
		STATE:			NY
		ZIP:			14020
		BUSINESS PHONE:		5853432216

	MAIL ADDRESS:	
		STREET 1:		20 FLORENCE AVENUE
		CITY:			BATAVIA
		STATE:			NY
		ZIP:			14020

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LINES JAMES R
		CENTRAL INDEX KEY:			0001249710

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08462
		FILM NUMBER:		111259878

	MAIL ADDRESS:	
		STREET 1:		11 HILLSIDE PARKWY
		CITY:			LANCSTER
		STATE:			NY
		ZIP:			14068
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>edgar.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
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            <rptOwnerStreet2>20 FLORENCE AVENUE</rptOwnerStreet2>
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            <rptOwnerState>NY</rptOwnerState>
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            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
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                    <value>See footnote</value>
                    <footnoteId id="F3"/>
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                <transactionPricePerShare>
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                <footnoteId id="F6"/>
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                <value>2019-05-28</value>
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                <underlyingSecurityTitle>
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                <directOrIndirectOwnership>
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        </derivativeTransaction>
        <derivativeTransaction>
            <securityTitle>
                <value>Stock Option (Right to Buy)</value>
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                <value>15.25</value>
            </conversionOrExercisePrice>
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                <value>2011-12-12</value>
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                <transactionFormType>4</transactionFormType>
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                <transactionAcquiredDisposedCode>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>1546</value>
                    <footnoteId id="F7"/>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>3092</value>
                    <footnoteId id="F7"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Mr. Lines previously reported his 5/26/2011 performance-vested restricted stock award assuming target achievement of the performance criteria (2,612 shares).  The award provides if maximum achievement is realized, the number of shares would double.  The number of shares reported by Mr. Lines as beneficially owned has been adjusted to assume maximum achievement of the performance criteria.</footnote>
        <footnote id="F2">Includes an addtional 1,250 shares acquired under the Graham Corporation Employee Stock Purchase Plan.</footnote>
        <footnote id="F3">Shares held by the trustee of the Graham Corporation Employee Stock Ownership Plan and allocated to Mr. Lines's account, as to which Mr. Lines has sole voting power but no dispositive power, except in limited circumstances.</footnote>
        <footnote id="F4">This option was previously reported by Mr. Lines.</footnote>
        <footnote id="F5">This option was previously reported by Mr. Lines and is exercisable pro rata on the first, second, third and fourth anniversaries of the 5/29/08 grant date.</footnote>
        <footnote id="F6">This option was previously reported by Mr. Lines and is exercisable 33 1/3% per year over three years beginning on the first anniversary of the 5/28/09 grant date.</footnote>
        <footnote id="F7">This option was previously reported by Mr. Lines and is exercisable 33 1/3% per year over three years beginning on the first anniversary of the 5/20/10 grant date.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/James R. Lines</signatureName>
        <signatureDate>2011-12-14</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
