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UNS N06920 Nickel Alloy

N06920 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. The graph bars on the material properties cards below compare N06920 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

210 GPa 31 x 106 psi

Elongation at Break

39 %

Fatigue Strength

220 MPa 31 x 103 psi

Poisson's Ratio

0.28

Shear Modulus

82 GPa 12 x 106 psi

Shear Strength

500 MPa 73 x 103 psi

Tensile Strength: Ultimate (UTS)

730 MPa 110 x 103 psi

Tensile Strength: Yield (Proof)

270 MPa 40 x 103 psi

Thermal Properties

Latent Heat of Fusion

320 J/g

Maximum Temperature: Mechanical

990 °C 1810 °F

Melting Completion (Liquidus)

1500 °C 2720 °F

Melting Onset (Solidus)

1440 °C 2630 °F

Specific Heat Capacity

440 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

11 W/m-K 6.3 BTU/h-ft-°F

Thermal Expansion

13 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.5 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.6 % IACS

Otherwise Unclassified Properties

Base Metal Price

55 % relative

Density

8.6 g/cm3 530 lb/ft3

Embodied Carbon

9.4 kg CO2/kg material

Embodied Energy

130 MJ/kg 55 x 103 BTU/lb

Embodied Water

270 L/kg 32 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

230 MJ/m3

Resilience: Unit (Modulus of Resilience)

180 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

24 points

Strength to Weight: Bending

21 points

Thermal Diffusivity

2.8 mm2/s

Thermal Shock Resistance

19 points

Alloy Composition

Nickel (Ni)Ni 36.9 to 53.5
Chromium (Cr)Cr 20.5 to 23
Iron (Fe)Fe 17 to 20
Molybdenum (Mo)Mo 8.0 to 10
Cobalt (Co)Co 0 to 5.0
Tungsten (W)W 1.0 to 3.0
Manganese (Mn)Mn 0 to 1.0
Silicon (Si)Si 0 to 1.0
Phosphorus (P)P 0 to 0.040
Carbon (C)C 0 to 0.030
Sulfur (S)S 0 to 0.030

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

Followup Questions

Similar Alloys

Further Reading

ASTM B814: Standard Specification for Nickel-Chromium-Iron-Molybdenum-Tungsten Alloy (UNS N06920) Plate, Sheet, and Strip

Microstructure of Superalloys, Madeleine Durand-Charre, 1998

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

Nickel Alloys, Ulrich Heubner (editor), 1998

CRC Materials Science and Engineering Handbook, 4th ed., James F. Shackelford et al. (editors), 2015