UNS N07702 (Alloy 702) is a nickel-chromium alloy with the addition of aluminum to give this grade a high degree of resistance to oxidation at temperatures up to 2400°F (1316°C).
The alloy has good strength at high temperature. Age hardening increases strength to 1500°F (816°C).
UNS N07702 Chemical Typical
Nickel + Cobalt: Balance
Chromium: 14.00-17.00
Aluminum: 2.75-3.75
Titanium: 0.25-1.00
Iron: ≤2.00
Cobalt: ≤1.00
Manganese: ≤1.00
Carbon: ≤0.10
Silicon: ≤0.70
Sulfur: ≤0.010
Copper: ≤0.50
UNS N07702 Physical Properties
Density: 0.304 lb/in3, 8.43 g/cm3
Modulus of elasticity: ksi (MPa) 31.5 x 103 (215 x 103) tensile
Melting Range: 2540°F (1394°C)
Form
Coils - Sheets, Strips, Foil Wires - Profiles, Round, Flat, Square
Mechanical properties of UNS N07702 at room temperature
Features: Annealing typical
Tensile Strength: 130 KSI typical. (MPa typical value)
Yield Strength: 95 KSI (typ.). (MPa typ.)
Elongation: 35% typ.
Hardness: Re 25 typ.
Attribute: Quenching
UNS N07702 (Alloy 702) can be cold worked in various states.
Properties: heat treatment
UNS N07702 (Alloy 702) can be heat treated.
heat treatment
UNS N07702 (Alloy 702) can be hardened by cold working and heat treatment.
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