Nickel Alloys

Nickel Alloy 276

Nickel Alloy 276

Composition of Pipe and Tubing

Grade276
UNS DesignationN10276
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

Physical Properties in the Annealed Condition at -20°F to +100°F

   Tensile StrengthYield Strength      
AlloyUNS DesignationSpec.psiMPaksipsiMPaksiElongation in 2 in. (min.) %Grain Size Req.Max. HardnessModulus of Elasticity (x106 psi)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
Nickel Alloy 276

Product Range

AlloyUNS DesignationWerkstoff 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.