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UNS N08120 (2.4854) Nickel Alloy

N08120 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition. 2.4854 is the EN numeric designation for this material. N08120 is the UNS number.

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 embodied energy among wrought nickels. In addition, it has a moderately low base cost and a moderately high heat capacity.

The graph bars on the material properties cards below compare N08120 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

230 MPa 33 x 103 psi

Poisson's Ratio

0.28

Shear Modulus

79 GPa 11 x 106 psi

Shear Strength

470 MPa 68 x 103 psi

Tensile Strength: Ultimate (UTS)

700 MPa 100 x 103 psi

Tensile Strength: Yield (Proof)

310 MPa 45 x 103 psi

Thermal Properties

Latent Heat of Fusion

310 J/g

Maximum Temperature: Mechanical

1000 °C 1830 °F

Melting Completion (Liquidus)

1420 °C 2590 °F

Melting Onset (Solidus)

1370 °C 2500 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

11 W/m-K 6.6 BTU/h-ft-°F

Thermal Expansion

14 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

45 % relative

Density

8.2 g/cm3 510 lb/ft3

Embodied Carbon

7.2 kg CO2/kg material

Embodied Energy

100 MJ/kg 44 x 103 BTU/lb

Embodied Water

240 L/kg 29 gal/lb

Common Calculations

PREN (Pitting Resistance)

35

Resilience: Ultimate (Unit Rupture Work)

190 MJ/m3

Resilience: Unit (Modulus of Resilience)

240 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

24 points

Strength to Weight: Bending

21 points

Thermal Diffusivity

3.0 mm2/s

Thermal Shock Resistance

17 points

Alloy Composition

Nickel (Ni)Ni 35 to 39
Iron (Fe)Fe 21 to 41.4
Chromium (Cr)Cr 23 to 27
Cobalt (Co)Co 0 to 3.0
Tungsten (W)W 0 to 2.5
Molybdenum (Mo)Mo 0 to 2.5
Manganese (Mn)Mn 0 to 1.5
Niobium (Nb)Nb 0.4 to 0.9
Silicon (Si)Si 0 to 1.0
Copper (Cu)Cu 0 to 0.5
Nitrogen (N)N 0.15 to 0.3
Aluminum (Al)Al 0 to 0.4
Titanium (Ti)Ti 0 to 0.2
Carbon (C)C 0.020 to 0.1
Phosphorus (P)P 0 to 0.040
Sulfur (S)S 0 to 0.030
Boron (B)B 0 to 0.010

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

Followup Questions

Similar Alloys

Further Reading

ASTM B408: Standard Specification for Nickel-Iron-Chromium Alloy Rod and Bar

ASTM B514: Standard Specification for Welded Nickel-Iron-Chromium Alloy Pipe

ASTM B515: Standard Specification for Welded UNS N08120, UNS N08800, UNS N08810, and UNS N08811 Alloy Tubes

ASTM B409: Standard Specification for Nickel-Iron-Chromium Alloy Plate, Sheet, and Strip

ASTM B407: Standard Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube

ASTM B564: Standard Specification for Nickel Alloy Forgings

Microstructure of Superalloys, Madeleine Durand-Charre, 1998

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

Nickel Alloys, Ulrich Heubner (editor), 1998