422

UNS #S42200

422 is a hardenable 12% Chromium Martensitic Stainless Steel for applications requiring superior strength to 403/410 Stainless Steel at elevated temperatures up to 1200oF.

Type Analysis

  • Carbon (Maximum) 0.20-0.25
  • Phosphorus (Maximum) 0.04
  • Silicon (Maximum) 1
  • Nickel (Nominal) .50-1.00
  • Tungsten (Nominal) .75-1.25
  • Manganese (Maximum) 1
  • Sulfur (Maximum) 0.03
  • Chromium (Nominal) 12.00-14.00
  • Molybdenum (Nominal) 0.75-1.25
  • Iron (Nominal) Balance
  • Vanadium (Nominal) 0.20-0.50

Applications

steam turbine and jet engine components.

Applicable Specifications

  • AMS 5655
  • B50A951
  • B50A125E
  • SAE 51422
  • M-8663
  • ASTM A565
  • PDS 10705 AJ

Bar

Billet

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