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UNS N07716 Nickel Alloy

N07716 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. It has a moderately high embodied energy among the wrought nickels in the database.

The graph bars on the material properties cards below compare N07716 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

200 GPa 29 x 106 psi

Elongation at Break

34 %

Fatigue Strength

690 MPa 100 x 103 psi

Poisson's Ratio

0.29

Reduction in Area

46 %

Shear Modulus

78 GPa 11 x 106 psi

Shear Strength

580 MPa 84 x 103 psi

Tensile Strength: Ultimate (UTS)

860 MPa 130 x 103 psi

Tensile Strength: Yield (Proof)

350 MPa 50 x 103 psi

Thermal Properties

Latent Heat of Fusion

320 J/g

Maximum Temperature: Mechanical

980 °C 1800 °F

Melting Completion (Liquidus)

1480 °C 2700 °F

Melting Onset (Solidus)

1430 °C 2610 °F

Specific Heat Capacity

440 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

11 W/m-K 6.1 BTU/h-ft-°F

Thermal Expansion

13 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.4 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.5 % IACS

Otherwise Unclassified Properties

Base Metal Price

75 % relative

Density

8.5 g/cm3 530 lb/ft3

Embodied Carbon

13 kg CO2/kg material

Embodied Energy

190 MJ/kg 82 x 103 BTU/lb

Embodied Water

280 L/kg 33 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

240 MJ/m3

Resilience: Unit (Modulus of Resilience)

300 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

28 points

Strength to Weight: Bending

24 points

Thermal Diffusivity

2.8 mm2/s

Thermal Shock Resistance

24 points

Alloy Composition

Nickel (Ni) 59 to 63
Chromium (Cr) 19 to 22
Molybdenum (Mo) 7.0 to 9.5
Iron (Fe) 0 to 11.3
Niobium (Nb) 2.8 to 4.0
Titanium (Ti) 1.0 to 1.6
Aluminum (Al) 0 to 0.35
Manganese (Mn) 0 to 0.2
Silicon (Si) 0 to 0.2
Carbon (C) 0 to 0.030
Phosphorus (P) 0 to 0.015
Sulfur (S) 0 to 0.010

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Similar Alloys

Further Reading

ASTM B805: Standard Specification for Precipitation Hardening Nickel Alloys UNS N07716, N07725, N07773, N07776, and N09777, Bar and Wire

Microstructure of Superalloys, Madeleine Durand-Charre, 1998

Aerospace Materials, Brian Cantor et al. (editors), 2001

Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971

Nickel Alloys, Ulrich Heubner (editor), 1998