617

UNS #N06617

617 is a corrosion and oxidation-resistant, high-temperature nickel-chromium-cobalt-molybdenum alloy. It is solid-solution strengthened with cobalt and molybdenum with oxidation resistance imparted through the chromium and aluminum additions, making it resistant to numerous types of aqueous corrosive environments.

Type Analysis

  • Carbon (Maximum) 0.05-0.15
  • Silicon (Maximum) 1
  • Nickel (Nominal) Balance
  • Titanium (Nominal) 0.6
  • Manganese (Maximum) 1
  • Sulfur (Maximum) 0.015
  • Chromium (Nominal) 20.00-24.00
  • Cobalt (Nominal) 10.00-15.00
  • Molybdenum (Nominal) 8.00-10.00
  • Iron (Nominal) 3
  • Aluminum (Nominal) 0.80-1.50
  • Copper (Nominal) 0.5
  • Boron (Nominal) 0.006

Applications

Gas turbine engine ducting and combustion liners

Applicable Specifications

  • AMS 5887
  • ASTM B564
  • ASTM B166

Billet

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