17-4PH Stainless Steel

A precipitation-hardening martensitic stainless. After heat treatment you get high strength, high hardness and reasonable corrosion resistance — useful for shafts, fasteners and aerospace fittings.

Stainless Steel

Properties

Typical values, LPBF-printed and heat-treated.

PropertyValue
Density7.78 g/cm³
Ultimate Tensile Strength1310 MPa
Yield Strength1170 MPa
Elongation at Break12%
Hardness40 HRC

Applications

Where it earns its place

Parts we print in 17-4PH.

  • High-strength fasteners and shafts
  • Valve and pump components
  • Aerospace fittings
  • Industrial tooling
  • Oil and gas equipment

Industries

Who uses it

Industries where 17-4PH shows up most often.

AerospaceEnergyAutomotiveTooling

See the rest of the alloys we run.

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Get in touch

Got a part in 17-4PH?

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