<SEC-DOCUMENT>0001567580-22-000003.txt : 20220825
<SEC-HEADER>0001567580-22-000003.hdr.sgml : 20220825
<ACCEPTANCE-DATETIME>20220825143844
ACCESSION NUMBER:		0001567580-22-000003
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20220824
FILED AS OF DATE:		20220825
DATE AS OF CHANGE:		20220825

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wells Norman E Jr.
		CENTRAL INDEX KEY:			0001567580

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05978
		FILM NUMBER:		221196536

	MAIL ADDRESS:	
		STREET 1:		PO BOX 609
		CITY:			AURORA
		STATE:			OH
		ZIP:			44202

	FORMER NAME:	
		FORMER CONFORMED NAME:	Wells Norman E JR
		DATE OF NAME CHANGE:	20130123

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIFCO INDUSTRIES INC
		CENTRAL INDEX KEY:			0000090168
		STANDARD INDUSTRIAL CLASSIFICATION:	AIRCRAFT ENGINES & ENGINE PARTS [3724]
		IRS NUMBER:				340553950
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			0930

	BUSINESS ADDRESS:	
		STREET 1:		970 E 64TH ST
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44103
		BUSINESS PHONE:		2168818600

	MAIL ADDRESS:	
		STREET 1:		970 EAST 64TH STREET
		CITY:			CLEVELAND
		STATE:			OH
		ZIP:			44103

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	STEEL IMPROVEMENT & FORGE CO
		DATE OF NAME CHANGE:	19690520
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_166145271186401.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-08-24</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000090168</issuerCik>
        <issuerName>SIFCO INDUSTRIES INC</issuerName>
        <issuerTradingSymbol>SIF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001567580</rptOwnerCik>
            <rptOwnerName>Wells Norman E Jr.</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>970 E. 64TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CLEVELAND</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44103</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>SIFCO Industries, Inc. Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-08-24</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>4132</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>3.39</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>55660</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
        <nonDerivativeHolding>
            <securityTitle>
                <value>SIFCO Industries, Inc. Common Stock</value>
                <footnoteId id="F2"/>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>9603</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The purchase price is a weighted average for the purchased transactions. The purchase prices range from a low of $3.308 per share to a high of $3.40 per share.</footnote>
        <footnote id="F2">Awarded 9,603 shares of the SIFCO Industries, Inc. common stock, which are restricted as of the date of the grant. Restriction to lapse on the day immediately preceding the one year anniversary date of this award.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Elizabeth Button, by Power of Attorney</signatureName>
        <signatureDate>2022-08-25</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
