Stainless steel - 17-4PH

Stainless steel - 17-4PH (1.4542)

17-4PH stainless steel is a grade of martensitic precipitation hardened stainless steel, can be heat treated to high levels of strength and hardness, features corrosion resistance and machinability comparable to austenitic 304 stainless.

This versatile material is widely used in the aerospace, chemical, petrochemical, food processing, paper and general metalworking industries.


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Composition

Element Cr Ni Mn Si Cu C Fe
Content 15 - 17,5% 3,0 - 5,0% 1,0% max 1,0% max 3,0 - 5,0% 0,07% max Balance

Typical properties

Yield Strength (Rp0.2)
> 660 MPa
Strength at Break (Rm)
> 800 MPa
Tensile Elongation
> 3 %
Hardness
320 HV

Typical properties; not to be construed as specifications.
EN ISO 6892-1, EN ISO 6507-1, EN ISO 6508-1.

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