High Alloy Materials
Nickel Alloy 276

Physical Properties of Nickel Alloy 276 in the Annealed Condition at -20°F to +100°F

      Tensile Strength Yield Strength            
Alloy UNS Designation Spec. psi MPa ksi psi MPa ksi Elongation in 2 in. (min.) % Grain Size Req. Max. Hardness Modulus of Elasticity (x106psi) Mean Coefficient of Thermal Expansion (IN./IN./°F x 10-6) Thermal Conductivity (BTU-in/ ft2-h-°F)
276 N10276 B619, B626 100,000 690 100 41,000 283 41 40 29.8 6.8 67.9

Composition of Nickel Alloy 276 tubing and pipe

Grade 276
UNS Designation N10276
Nickel (Ni) Bal.
Chromium (Cr) 14.5–16.5
Iron (Fe) 4.0–7.0
Molybdenum (Mo) 15.0–17.0
Titanium (Ti) Max.
Aluminum (Al) Max.
Cobalt (Co) Max. 2.5
Tungsten (W) 3.0–4.5
Vanadium (V) Max. 0.35
Copper (Cu) Max.
Manganese (Mn) Max. 1.0
Niobium (Nb) plus Tantalum
Carbon (C) Max. 0.010
Nitrogen (N) Max.
Silicon (Si) Max. 0.08
Sulphur (S) Max. 0.03
Phosphorous (P) Max. 0.04
Other Elements

Nickel Alloy 276 Product Range

Alloy UNS Designation Werkstoff NR. Specifications*
276 N10276 2.4819 B/SB626, B/SB619

*Note: The specifications noted including ASTM, ASME, or other applicable authorities are correct at the time of publication. Other specifications may apply for use of these materials in different applications.

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