17-4 ph Stainless Steel Bar

17-4 is a chromium-nickel-copper precipitation hardening stainless steel used for applications requiring high strength and moderate level of corrosion resistance. High strength is maintained to approximately 60 degrees F.

Applications:

  • Aircraft and gas turbines
  • Nuclear reactor
  • Paper mills
  • Oil Fields
  • Chemical process components
Typical Chemical Requirements
17-4 PH Stainless Steel Condition A (annealed)
Minimum Properties
Ultimate Tensile Strength, psi 160,000
Yield Strength, psi 145,000
Elongation 5%
Rockwell Hardness C35
Chemistry
Iron (Fe) 69.91 - 78.85%
Carbon (C) 0.07% max
Chrome (Cr) 15 - 17.5%
Manganese (Mn) 1% max
Niobium (Nb) + Tantalum (Ta) 0.15 - 0.45% max
Nickel (Ni) 3 - 5%
Phosphorus (P) 0.04% max
Sulphur (S) 0.03% min
Silicon (Si) 1% max
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