content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
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      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001860429</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
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      <issuerInfo>
        <issuerCik>0001598428</issuerCik>
        <issuerName>Metallus Inc.</issuerName>
        <secFileNumber>001-36313</secFileNumber>
        <issuerAddress>
          <com:street1>1835 DUEBER AVENUE SW</com:street1>
          <com:city>CANTON</com:city>
          <com:stateOrCountry>OH</com:stateOrCountry>
          <com:zipCode>44706-0928</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>330-471-7000</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Raketich Kevin A</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>MERRILL LYNCH</name>
          <address>
            <com:street1>3455 PEACHTREE RD NE</com:street1>
            <com:street2>SUITE 1000</com:street2>
            <com:city>ATLANTA</com:city>
            <com:stateOrCountry>GA</com:stateOrCountry>
            <com:zipCode>30326</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>1000</noOfUnitsSold>
        <aggregateMarketValue>21060.00</aggregateMarketValue>
        <noOfUnitsOutstanding>43861978</noOfUnitsOutstanding>
        <approxSaleDate>07/15/2024</approxSaleDate>
        <securitiesExchangeName>NEW YORK</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <acquiredDate>03/02/2023</acquiredDate>
        <natureOfAcquisitionTransaction>RESTRICTED STOCK UNIT VEST</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>METALLUS INC</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>1000</amountOfSecuritiesAcquired>
        <paymentDate>03/02/2023</paymentDate>
        <natureOfPayment>COMPENSATORY PAYMENT</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>KEVIN RAKETICH</name>
          <address>
            <com:street1>1835 DUEBER AVE SW</com:street1>
            <com:city>CANTON</com:city>
            <com:stateOrCountry>OH</com:stateOrCountry>
            <com:zipCode>44706</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <saleDate>05/14/2024</saleDate>
        <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
        <grossProceeds>45040.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>KEVIN RAKETICH</name>
          <address>
            <com:street1>1835 DUEBER AVE SW</com:street1>
            <com:city>CANTON</com:city>
            <com:stateOrCountry>OH</com:stateOrCountry>
            <com:zipCode>44706</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <saleDate>06/14/2024</saleDate>
        <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
        <grossProceeds>21140.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>KEVIN RAKETICH</name>
          <address>
            <com:street1>1835 DUEBER AVE SW</com:street1>
            <com:city>CANTON</com:city>
            <com:stateOrCountry>OH</com:stateOrCountry>
            <com:zipCode>44706</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <saleDate>04/15/2024</saleDate>
        <amountOfSecuritiesSold>1000</amountOfSecuritiesSold>
        <grossProceeds>21730.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>KEVIN RAKETICH</name>
          <address>
            <com:street1>1835 DUEBER AVE SW</com:street1>
            <com:city>CANTON</com:city>
            <com:stateOrCountry>OH</com:stateOrCountry>
            <com:zipCode>44706</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>COMMON</securitiesClassTitle>
        <saleDate>05/10/2024</saleDate>
        <amountOfSecuritiesSold>2000</amountOfSecuritiesSold>
        <grossProceeds>46000.00</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>07/15/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>08/21/2023</planAdoptionDate>
        </planAdoptionDates>
        <signature>KEVIN RAKETICH</signature>
      </noticeSignature>
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text: 144
  0001860429
  XXXXXXXX
  LIVE
  0001598428
  Metallus Inc.
  001-36313
  1835 DUEBER AVENUE SW
  CANTON
  OH
  44706-0928
  330-471-7000
  Raketich Kevin A
  Officer
  COMMON
  MERRILL LYNCH
  3455 PEACHTREE RD NE
  SUITE 1000
  ATLANTA
  GA
  30326
  1000
  21060.00
  43861978
  07/15/2024
  NEW YORK
  COMMON
  03/02/2023
  RESTRICTED STOCK UNIT VEST
  METALLUS INC
  N
  1000
  03/02/2023
  COMPENSATORY PAYMENT
  N
  KEVIN RAKETICH
  1835 DUEBER AVE SW
  CANTON
  OH
  44706
  COMMON
  05/14/2024
  2000
  45040.00
  KEVIN RAKETICH
  1835 DUEBER AVE SW
  CANTON
  OH
  44706
  COMMON
  06/14/2024
  1000
  21140.00
  KEVIN RAKETICH
  1835 DUEBER AVE SW
  CANTON
  OH
  44706
  COMMON
  04/15/2024
  1000
  21730.00
  KEVIN RAKETICH
  1835 DUEBER AVE SW
  CANTON
  OH
  44706
  COMMON
  05/10/2024
  2000
  46000.00
  07/15/2024
  08/21/2023
  KEVIN RAKETICH