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UNS N06255 Nickel Alloy

N06255 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the solution annealed (AT) condition. The graph bars on the material properties cards below compare N06255 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 30 x 10⁶ psi

Elongation at Break

45 %

Fatigue Strength

210 MPa 31 x 10³ psi

Poisson's Ratio

0.28

Shear Modulus

81 GPa 12 x 10⁶ psi

Shear Strength

460 MPa 67 x 10³ psi

Tensile Strength: Ultimate (UTS)

660 MPa 95 x 10³ psi

Tensile Strength: Yield (Proof)

250 MPa 37 x 10³ psi

Thermal Properties

Latent Heat of Fusion

320 J/g

Maximum Temperature: Mechanical

1000 °C 1820 °F

Melting Completion (Liquidus)

1470 °C 2670 °F

Melting Onset (Solidus)

1420 °C 2580 °F

Specific Heat Capacity

450 J/kg-K 0.11 BTU/lb-°F

Thermal Expansion

13 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

55 % relative

Density

8.5 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)

150 kJ/m³

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

22 points

Strength to Weight: Bending

20 points

Thermal Shock Resistance

17 points

Alloy Composition

Nickel (Ni)Ni		47 to 52
Chromium (Cr)Cr		23 to 26
Iron (Fe)Fe		6.0 to 24
Molybdenum (Mo)Mo		6.0 to 9.0
Tungsten (W)W		0 to 3.0
Copper (Cu)Cu		0 to 1.2
Manganese (Mn)Mn		0 to 1.0
Silicon (Si)Si		0 to 1.0
Titanium (Ti)Ti		0 to 0.69
Carbon (C)C		0 to 0.030
Phosphorus (P)P		0 to 0.030
Sulfur (S)S		0 to 0.030