OCM Stainless Steel 17-4-PH

High strength stainless steel

Hardening martensitic stainless steel

17-4PH is a well-established precipitation hardening martensitic stainless steel capable of achieving very high strength and hardness after a relatively simple heat treatment. It offers excellent corrosion resistance combined with a structured range of mechanical property levels depending on the precise heat treatment applied.

17-4PH is widely used in the chemical, petrochemical, offshore, paper, and aerospace industries making best use of its outstanding corrosion resistance, wear resistance, strength and hardness.


  • Motor shafts
  • Valve stems
  • Functional prototypes
  • Gears

What are the qualities of Stainless Steel 17-4-PH?

  • High strength
  • Corrosion resistant
  • Good thermal conductivity

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