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UNS N10629 Nickel-Molybdenum Alloy

N10629 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition.

This material is well established: the Further Reading section below cites a number of published standards, and that list is not necessarily exhaustive.

It has a moderately low heat capacity among wrought nickels. In addition, it has a moderately high melting temperature and a moderately high embodied energy.

The graph bars on the material properties cards below compare N10629 nickel to: wrought nickels (top), all nickel alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

220 GPa 32 x 10⁶ psi

Elongation at Break

45 %

Fatigue Strength

340 MPa 49 x 10³ psi

Poisson's Ratio

0.31

Rockwell B Hardness

Shear Modulus

83 GPa 12 x 10⁶ psi

Shear Strength

600 MPa 87 x 10³ psi

Tensile Strength: Ultimate (UTS)

860 MPa 120 x 10³ psi

Tensile Strength: Yield (Proof)

400 MPa 57 x 10³ psi

Thermal Properties

Latent Heat of Fusion

310 J/g

Maximum Temperature: Mechanical

910 °C 1660 °F

Melting Completion (Liquidus)

1610 °C 2930 °F

Melting Onset (Solidus)

1560 °C 2830 °F

Specific Heat Capacity

390 J/kg-K 0.094 BTU/lb-°F

Thermal Expansion

10 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

75 % relative

Density

9.2 g/cm³ 570 lb/ft³

Embodied Carbon

15 kg CO₂/kg material

Embodied Energy

190 MJ/kg 82 x 10³ BTU/lb

Embodied Water

270 L/kg 32 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

320 MJ/m³

Resilience: Unit (Modulus of Resilience)

360 kJ/m³

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

22 points

Strength to Weight: Axial

26 points

Strength to Weight: Bending

22 points

Thermal Shock Resistance

27 points

Alloy Composition

Nickel (Ni)Ni		65 to 72.4
Molybdenum (Mo)Mo		26 to 30
Iron (Fe)Fe		1.0 to 6.0
Cobalt (Co)Co		0 to 2.5
Chromium (Cr)Cr		0.5 to 1.5
Manganese (Mn)Mn		0 to 1.5
Aluminum (Al)Al		0.1 to 0.5
Copper (Cu)Cu		0 to 0.5
Silicon (Si)Si		0 to 0.050
Phosphorus (P)P		0 to 0.040
Carbon (C)C		0 to 0.010
Sulfur (S)S		0 to 0.010