NCF 3015/30 Ni Valve Steel

UNS #S66315

NCF 3015 alloy is a precipitation-hardenable, iron-nickel base alloy with mechanical properties between those of the iron-base and the more costly nickel-base alloys that have been used for engine valve applications. The alloy was designed for high strength and corrosion resistance up to 1400°F(760°C) and can also be considered as a replacement for nickel-base superalloys in applications involving the need for strength at elevated temperatures.

Type Analysis

  • Carbon (Maximum) 0.08
  • Phosphorus (Maximum) 0.015
  • Silicon (Maximum) 0.5
  • Nickel (Nominal) 30.00-33.50
  • Titanium (Nominal) 2.30-2.90
  • Manganese (Maximum) 0.5
  • Sulfur (Maximum) 0.01
  • Chromium (Nominal) 13.50-15.50
  • Molybdenum (Nominal) 0.4 - 1.00
  • Iron (Nominal) Balance
  • Aluminum (Nominal) 1.60-2.20
  • Columbium/Niobium 0.40-0.90

Applications

Engine valves, fasteners

Applicable Specifications

Rounds

Strip

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