M121

    Product Description

    BÖHLER M121 ISOPLAST is a remelted nickel chrome molybdenum case hardening steel produced by the PESR (Pressurised ESR) method designed for components with high demand in toughness and core strength.

    Property Features

    • Best fatigue strength and toughness properties
    • outstanding tensile strength
    • Good dimensional stability, thereby low distortion
    • High cleanliness level for best homogeneity
    • 100% ultrasonically tested pre-material
    • No hydrogen increases during remelting reduces the danger of cracking
    • Tight elemental control, precise adjustment of alloying element contents

    Technical Specifications

    Material Numbers


    ~1.5752 ~15NiCr13 ~EN36C


    Chemical Composition

    0.14 0.30 0.45 0.70 0.15 3.50

    Chemical composition (average %)

    Available product shapes

    • Long Products

      Long Products

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