<SEC-DOCUMENT>0000095953-22-000070.txt : 20220615
<SEC-HEADER>0000095953-22-000070.hdr.sgml : 20220615
<ACCEPTANCE-DATETIME>20220615160653
ACCESSION NUMBER:		0000095953-22-000070
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20220614
FILED AS OF DATE:		20220615
DATE AS OF CHANGE:		20220615

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mazzaferro Aldo John Jr
		CENTRAL INDEX KEY:			0001917701

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-05200
		FILM NUMBER:		221017844

	MAIL ADDRESS:	
		STREET 1:		15 MIDWOOD ROAD
		CITY:			STONY BROOK
		STATE:			NY
		ZIP:			11790

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SYNALLOY CORP
		CENTRAL INDEX KEY:			0000095953
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL PIPE & TUBES [3317]
		IRS NUMBER:				570426694
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		1400 16TH STREET
		STREET 2:		SUITE 270
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523
		BUSINESS PHONE:		804-822-3260

	MAIL ADDRESS:	
		STREET 1:		1400 16TH STREET
		STREET 2:		SUITE 270
		CITY:			OAK BROOK
		STATE:			IL
		ZIP:			60523

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BLACKMAN UHLER INDUSTRIES INC
		DATE OF NAME CHANGE:	19710510
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_165532359984561.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2022-06-14</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000095953</issuerCik>
        <issuerName>SYNALLOY CORP</issuerName>
        <issuerTradingSymbol>SYNL</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001917701</rptOwnerCik>
            <rptOwnerName>Mazzaferro Aldo John Jr</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>1400 16TH STREET</rptOwnerStreet1>
            <rptOwnerStreet2>SUITE 270</rptOwnerStreet2>
            <rptOwnerCity>OAK BROOK</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60523</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>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2022-06-14</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>P</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>300</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>15.5723</value>
                    <footnoteId id="F1"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>6612</value>
                    <footnoteId id="F2"/>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $15.5585 to $15.6000 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.</footnote>
        <footnote id="F2">This amount includes 2,500 shares held in the reporting person's self-directed IRA, after the transaction on June 14, 2022.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>Doug Tackett, Power of Attorney for Aldo John Mazzaferro Jr</signatureName>
        <signatureDate>2022-06-15</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>poa.htm
<DESCRIPTION>POWER OF ATTORNEY FOR: DOUG TACKETT, POWER OF ATTORNEY FOR ALDO JOHN MAZZAFERRO JR
<TEXT>
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<pre>
This Statement confirms that the undersigned has authorized and designated Doug Tackett and Aaron Tam, and each of them, the true and lawful attorneys-in-fact and agents of the undersigned, with full power of substitution and re-substitution, for and in the name, place and stead of the undersigned, in any and all
capacities, to sign any and all reports or amendments thereto required to be filed under Section 16 of the United States Securities and Exchange Act of 1934, as amended, and the regulations from time to time promulgated
thereunder, and to file the same, with any exhibits thereto, with the Securities and Exchange Commission, and the undersigned hereby grants to such attorneys-in-fact and agents, and each of them full power and authority
to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as the undersigned might or could do in person, hereby ratifying and confirm all that said attorneys-infact
and agents, or any of them, or their or his/her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. The undersigned acknowledges that neither Doug Tackett and Aaron Tam, is assuming, nor is
Synalloy Corporation assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.
</pre>
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</SEC-DOCUMENT>
