Application Segments

    Aerospace Automotive

    Melting Route

    Airmelted + VAR

    Product Description

    BÖHLER E108 is a 4%-Nickel-chromium-molybdenum steel in VAR quality for applications requiring high core strength, high toughness and for bigger dimensions. Hardness in carburized layer above 58 HRC. Service temperature max. 200°C. Non corrosion resistant. Compared to Airmelt and ESR quality the content of non-metalic inclusions and segregation is lower, the toughness properties and the fatigue properties transverse to grain flow direction are better.

    Technical Specifications

    Material Numbers


    Chemical Composition

    Chemical composition (average %)
    0.14 to 0.18 0.1 to 0.35 0.25 to 0.55 max. 0.015 max. 0.012 1 to 1.4 0.2 to 0.3 3.8 to 4.3


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