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17-4PH Stainless Steel

Precipitation-hardening martensitic stainless steel with exceptional mechanical properties.

A microscopic image of a 17-4PH stainless steel sample reveals irregular grain boundaries and small dark spots scattered throughout. A scale bar in the bottom right corner indicates 100 micrometers.

17-4PH Stainless Steel

17-4PH stainless steel is an alloy widely used for applications requiring high strength in mildly corrosive environments. With near wrought part density in excess of 99%, excellent mechanical properties up to ~600°F, and the leading surface finish in metal AM,3DEO’s 17-4PH 3D printed components enable customers to get to market fast with innovative designs and a high-performing end-use product.

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  • Aerospace
  • Industrial equipment and machinery
  • Medical and dental
  • Consumer products
  • Robotics
  • Automotive

Application Examples

  • Manufacturing machinery
  • Pump and valve components
  • Jigs and fixtures
  • Latches and hinges
  • Chemical processing
  • Food processing
  • Fasteners and brackets
  • End effectors
  • General high-wear tooling

Material Properties

As-Sintered Heat-Treated (H900)
Ultimate Tensile Strength (MPa) 1050 1300
Yield Strength (MPa) 800 1100
Elongation (%) 4 7
Hardness (HRC) 30 40
Density (g/cm³) 7.7 7.7
Surface Roughness (Ra, µm) 3.2 (125 µin) 3.2 (125 µin)