Available product shapes: Long Products, Open Die Forgings, Semi-Finished Products / Billet, Plates

Product description

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

Property features

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

Technical data

17-4 PH 1.4542, 1.4548 5622, 5643 S17400 X5CrNiCuNb16-4 AISI: 630

Chemical composition

0,04 0,25 0,40 15,30 4,50 3,25 0,30

Chemical composition (average %)

Product videos


BÖHLER Germany

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BÖHLER Germany