Product Description

    K353 is a universal tool steel for cold working applications, characterized by high hardness, high wear resistance and excellent toughness. K353 is a conventionally produced 8% Cr steel which combines very good machinability, good EDM properties and good dimensional stability.


    Property Features

    • excellent toughness
    • very good wear resistance properties: improved adhesive wear resistance thanks to added Al content
    • hardness up to 62 HRC (high hardness steel)
    • hardening temperatures in the range of 1030 – 1060 °C (1885 – 1940 °F)
    • secondary hardening steel with good dimensional stability
    • well suited to salt bath or plasma nitriding
    • high strength substrate steel for surface coatings
    • good edge holding ability
    • easy machinability
    • good EDM properties
    • good wire cutting properties

    Technical Specifications

    Compressive strength Stability heat Toughness Wear resistance abrasive Wear resistance adhesive

    Chemical Composition

    0.82 0.70 0.40 8.00 1.60 0.60

    Chemical composition (average %)

    Available product shapes

    • Plate


    • Flat bar

      Flat bar

    • Round bar

      Round bar

    • Complex cut/six side machining

      Complex cut/six side machining


    BÖHLER Toolsteel

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