M238

    Product Description

    BÖHLER M238 is a hardened and tempered, not corrosion resistant plastic mould steel. Because of the Ni-addition, there is no hardness decrease in the center of large sizes (up to 600 mm). A special melting technology offers good machinability.

    M238_Diagramm1.jpg

    Property Features

    The hardened and tempered plastic mould steel. Because of the Ni-addition, there is no hardness decrease in the center of large sizes.

    Technical Specifications

    Etchability Machinability supplied Polishability Through hardenable Toughness Wear resistance

    Material Numbers


    1.2738 40CrMnNiMo8-6-4


    Standards


    4957

    Chemical Composition

    0.38 0.30 1.50 2.00 0.20 1.10

    Chemical composition (average %)

    Available product shapes

    • Plate

      Plate

    • Complex cut/six side machining

      Complex cut/six side machining

    Contacts

    BÖHLER Toolsteel

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