Product Description

    Martensitic precipitation hardenable chromium-nickel-copper steel possessing high strength and toughness. Further strength increments can be obtained by cold forming, followed by a precipitation hardening treatment.

    Property Features

    Aircraft and rocket engineering, mechanical engineering, power generation, measuring and control technique

    Technical Specifications

    Material Numbers

    1.4542 1.4548 S17400 X5CrNiCuNb16-4 X5CrNiCuNb17-4-4 EZ6CNU17.04 AISI: 630 17-4 PH


    A564 5643 5604 5622

    Chemical Composition

    0.04 0.25 0.40 15.30 4.50 3.25 0.30

    Chemical composition (average %)

    Available product shapes

    • Long Products

      Long Products

    • Open Die Forgings

      Open Die Forgings

    • Plates


    • Semi-Finished Products / Billet

      Semi-Finished Products / Billet


    BÖHLER Special Products

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