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17-4 PH Stainless Steel

One of the world’s most widely used types of stainless steel, 17-4 PH or Precipitation Hardening stainless steel, is valued for its versatility and strength characteristics. 17-4 PH is a martensitic precipation hardening stainless steel with high strength, high resistance to corrosion, and strong mechanical properties. 17-4 PH Stainless Steel is an economical alternative to other stainless and strong carbon steels.

Applications of 17-4PH

17-4PH stainless steel is often used in the aerospace, chemical and offshore industries for:

  • Foils and helicopter deck platforms
  • Aircraft and gas turbines, including turbine blades
  • Waste casks and other nuclear industry applications
  • Mechanical parts
  • Food, chemical processing, and pulp and paper industries
  • General metalworking operations



We offer 17-4 PH stainless steel UNS S17400 in:

BarAMS 5643AMS 5622ASTM-A-564Quote
ForgingsAMS 5643AMS 5622ASTM-A-564Quote
PlateAMS 5604ASTM-A-693Quote
SheetAMS 5604ASTM-A-693Quote
Welding Products / WireAMS 5825Quote

Altemp Alloys also carries a number of other stainless steel alloys, including AM 350, 17-7 PH Stainless, 15-7 MO, 410 Stainless, 15-5 PH, 321 Stainless, A-286, 347 Stainless and 13-8 MO.

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