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
| Ni | 59 to 63 | |
| Cr | 19 to 22 | |
| Mo | 7.0 to 9.5 | |
| Fe | 0 to 11.3 | |
| Nb | 2.8 to 4.0 | |
| Ti | 1.0 to 1.6 | |
| Al | 0 to 0.35 | |
| Mn | 0 to 0.2 | |
| Si | 0 to 0.2 | |
| C | 0 to 0.030 | |
| P | 0 to 0.015 | |
| 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