<SEC-DOCUMENT>0000931148-20-000128.txt : 20201001
<SEC-HEADER>0000931148-20-000128.hdr.sgml : 20201001
<ACCEPTANCE-DATETIME>20201001161812
ACCESSION NUMBER:		0000931148-20-000128
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200930
FILED AS OF DATE:		20201001
DATE AS OF CHANGE:		20201001

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Coburn Quinn J
		CENTRAL INDEX KEY:			0001643036

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-13888
		FILM NUMBER:		201216107

	MAIL ADDRESS:	
		STREET 1:		C/O GRAFTECH INTERNATIONAL
		STREET 2:		6100 OAK TREE BLVD, SUITE 300
		CITY:			INDEPENDENCE
		STATE:			OH
		ZIP:			44131

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GRAFTECH INTERNATIONAL LTD
		CENTRAL INDEX KEY:			0000931148
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRICAL INDUSTRIAL APPARATUS [3620]
		IRS NUMBER:				272496053
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		982 KEYNOTE CIRCLE
		CITY:			BROOKLYN HEIGHTS
		STATE:			OH
		ZIP:			44131
		BUSINESS PHONE:		2166762000

	MAIL ADDRESS:	
		STREET 1:		982 KEYNOTE CIRCLE
		CITY:			BROOKLYN HEIGHTS
		STATE:			OH
		ZIP:			44131

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	UCAR INTERNATIONAL INC
		DATE OF NAME CHANGE:	19941011
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_160158347721040.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0306</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2020-09-30</periodOfReport>

    <notSubjectToSection16>0</notSubjectToSection16>

    <issuer>
        <issuerCik>0000931148</issuerCik>
        <issuerName>GRAFTECH INTERNATIONAL LTD</issuerName>
        <issuerTradingSymbol>EAF</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001643036</rptOwnerCik>
            <rptOwnerName>Coburn Quinn J</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O GRAFTECH INTERNATIONAL LTD.</rptOwnerStreet1>
            <rptOwnerStreet2>982 KEYSTONE CIRCLE</rptOwnerStreet2>
            <rptOwnerCity>BROOKLYN HEIGHTS</rptOwnerCity>
            <rptOwnerState>OH</rptOwnerState>
            <rptOwnerZipCode>44131</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>CFO, VP Finance &amp; Treasurer</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Restricted Stock Units</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <footnoteId id="F1"/>
                <footnoteId id="F2"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2020-09-30</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionAmounts>
                <transactionShares>
                    <value>19.2289</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <footnoteId id="F1"/>
                <footnoteId id="F3"/>
            </exerciseDate>
            <expirationDate>
                <footnoteId id="F1"/>
                <footnoteId id="F3"/>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>19.2289</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>13171.7739</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeTransaction>
    </derivativeTable>

    <footnotes>
        <footnote id="F1">Additional restricted stock units (RSUs) accrued pursuant to dividend equivalent rights with respect to outstanding awards of RSUs based upon the closing price of EAF as of the dividend payment date.</footnote>
        <footnote id="F2">Each RSU represents a contingent right to receive one share of EAF common stock.</footnote>
        <footnote id="F3">The RSUs vest in five equal annual installments beginning on February 25, 2021.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Gina K. Gunning, by power of attorney</signatureName>
        <signatureDate>2020-10-01</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
