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C-263

UNS #N07263

C-263 is an age-hardenable nickel-cobalt chromium-molybdenum alloy that combines good aged strength with excellent fabricability in the annealed condition. With improved weldability, it exhibits excellent intermediate temperature tensile ductility and is resistant to strain age cracking up to 1650°F (900°C).

Type Analysis

  • Carbon (Maximum) 0.04-0.08
  • Silicon (Maximum) 0.4
  • Nickel (Nominal) Balance
  • Titanium (Nominal) 2.1
  • Manganese (Maximum) 0.6
  • Sulfur (Maximum) 0.007
  • Chromium (Nominal) 20
  • Cobalt (Nominal) 20
  • Molybdenum (Nominal) 5.9
  • Iron (Maximum) 0.7
  • Aluminum (Maximum) 0.6
  • Copper (Maximum) 0.2
  • Boron (Maximum) 0.005

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Applicable Specifications

Billet

Strip

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