<SUBMISSION>
<ACCESSION-NUMBER>0000921895-04-001985
<TYPE>4
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20041201
<FILING-DATE>20041203
<DATE-OF-FILING-DATE-CHANGE>20041203
<ISSUER>
<COMPANY-DATA>
<CONFORMED-NAME>AMCAST INDUSTRIAL CORP
<CIK>0000027425
<ASSIGNED-SIC>3490
<IRS-NUMBER>310258080
<STATE-OF-INCORPORATION>OH
<FISCAL-YEAR-END>0831
</COMPANY-DATA>
<BUSINESS-ADDRESS>
<STREET1>7887 WASHINGTON VILLAGE DR
<CITY>DAYTON
<STATE>OH
<ZIP>45459
<PHONE>9372917000
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>7887 WASHINGTON VILLAGE DRIVE
<CITY>DAYTON
<STATE>OH
<ZIP>45459
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>DAYTON MALLEABLE INC
<DATE-CHANGED>19831219
</FORMER-COMPANY>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>DAYTON MALLEABLE IRON CO
<DATE-CHANGED>19741216
</FORMER-COMPANY>
</ISSUER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>STEEL PARTNERS LLC
<CIK>0001262861
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-09967
<FILM-NUMBER>041184542
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>500 MADISON AVE
<STREET2>32ND FL
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
<PHONE>2127583232
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>500 MADISON AVE
<STREET2>32ND FL
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>LICHTENSTEIN WARREN G
<CIK>0001005784
<STATE-OF-INCORPORATION>NY
<FISCAL-YEAR-END>1231
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-09967
<FILM-NUMBER>041184543
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>C/O STEEL PARTNERS L P
<STREET2>32ND FLOOR 590 MADISON AVENUE
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
<PHONE>2127583232
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>C/O STEEL PARTNERS L P
<STREET2>750 LEXINGTON AVENUE 27TH FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
</REPORTING-OWNER>
<REPORTING-OWNER>
<OWNER-DATA>
<CONFORMED-NAME>STEEL PARTNERS II LP
<CIK>0000915653
</OWNER-DATA>
<FILING-VALUES>
<FORM-TYPE>4
<ACT>34
<FILE-NUMBER>001-09967
<FILM-NUMBER>041184544
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>590 MADISON AVENUE
<STREET2>32ND FLOOR
<CITY>NEW YORK
<STATE>NY
<ZIP>10022
<PHONE>212-758-3232
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>590 MADISON AVENUE, 32ND FLOOR
<CITY>NY
<STATE>NY
<ZIP>10022
</MAIL-ADDRESS>
<FORMER-NAME>
<FORMER-CONFORMED-NAME>STEEL PARTNERS II L P
<DATE-CHANGED>19950627
</FORMER-NAME>
</REPORTING-OWNER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>ste3.xml
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0202</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2004-12-01</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000027425</issuerCik>
        <issuerName>AMCAST INDUSTRIAL CORP</issuerName>
        <issuerTradingSymbol>AICO.OB</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0000915653</rptOwnerCik>
            <rptOwnerName>STEEL PARTNERS II LP</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>590 MADISON AVENUE, 32ND FLOOR</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001005784</rptOwnerCik>
            <rptOwnerName>LICHTENSTEIN WARREN G</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STEEL PARTNERS II, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>590 MADISON AVENUE, 32ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001262861</rptOwnerCik>
            <rptOwnerName>STEEL PARTNERS LLC</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O STEEL PARTNERS II, L.P.</rptOwnerStreet1>
            <rptOwnerStreet2>590 MADISON AVENUE, 32ND FLOOR</rptOwnerStreet2>
            <rptOwnerCity>NEW YORK</rptOwnerCity>
            <rptOwnerState>NY</rptOwnerState>
            <rptOwnerZipCode>10022</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>1</isTenPercentOwner>
            <isOther>0</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock, No Par Value</value>
            </securityTitle>
            <transactionDate>
                <value>2004-12-01</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>931508</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0.0689</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                    <footnoteId id="F1"/>
                </directOrIndirectOwnership>
                <natureOfOwnership>
                    <value></value>
                </natureOfOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">This Form 4 is filed jointly by Warren G. Lichtenstein, Steel Partners, L.L.C. (&quot;Steel LLC&quot;) and Steel Partners II, L.P. (&quot;Steel LP&quot;). Mr. Lichtenstein and Steel LLC are deemed to be 10% owners of the Issuer and Steel LP is a 10% owner of the Issuer. The securities reported in this Form 4 are owned directly by Steel LP, and owned indirectly by Steel LLC by virtue of it being the general partner of Steel LP and by Mr. Lichtenstein by virtue of his position as the sole executive officer and managing member of Steel LLC.  Steel LLC and Mr. Lichtenstein disclaim beneficial ownership of the shares owned by Steel LP except to the extent of their pecuniary interest therein.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>By: Steel Partners II, L.P., By: Steel Partners, L.L.C., General Partner, By: /s/ Warren G. Lichtenstein, Managing Member</signatureName>
        <signatureDate>2004-12-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>/s/ Lichtenstein, Warren G.</signatureName>
        <signatureDate>2004-12-03</signatureDate>
    </ownerSignature>

    <ownerSignature>
        <signatureName>By: Steel Partners, L.L.C., By: /s/ Warren G. Lichtenstein, Managing Member</signatureName>
        <signatureDate>2004-12-03</signatureDate>
    </ownerSignature>
</ownershipDocument>

</XML>
</TEXT>
</DOCUMENT>
</SUBMISSION>
