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UNS N06025 Nickel Alloy

N06025 nickel is a nickel alloy formulated for primary forming into wrought products. Cited properties are appropriate for the annealed condition.

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 high heat capacity among the wrought nickels in the database.

The graph bars on the material properties cards below compare N06025 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 28 x 10⁶ psi

Elongation at Break

32 %

Fatigue Strength

220 MPa 32 x 10³ psi

Poisson's Ratio

0.28

Shear Modulus

76 GPa 11 x 10⁶ psi

Shear Strength

500 MPa 72 x 10³ psi

Tensile Strength: Ultimate (UTS)

760 MPa 110 x 10³ psi

Tensile Strength: Yield (Proof)

310 MPa 44 x 10³ psi

Thermal Properties

Latent Heat of Fusion

320 J/g

Maximum Temperature: Mechanical

1000 °C 1830 °F

Melting Completion (Liquidus)

1350 °C 2460 °F

Melting Onset (Solidus)

1300 °C 2380 °F

Specific Heat Capacity

480 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

11 W/m-K 6.6 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

50 % relative

Density

8.2 g/cm³ 510 lb/ft³

Embodied Carbon

8.4 kg CO₂/kg material

Embodied Energy

120 MJ/kg 52 x 10³ BTU/lb

Embodied Water

290 L/kg 35 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

190 MJ/m³

Resilience: Unit (Modulus of Resilience)

240 kJ/m³

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

26 points

Strength to Weight: Bending

22 points

Thermal Diffusivity

2.9 mm²/s

Thermal Shock Resistance

21 points

Alloy Composition

Nickel (Ni)Ni		59.2 to 65.9
Chromium (Cr)Cr		24 to 26
Iron (Fe)Fe		8.0 to 11
Aluminum (Al)Al		1.8 to 2.4
Silicon (Si)Si		0 to 0.5
Carbon (C)C		0.15 to 0.25
Titanium (Ti)Ti		0.1 to 0.2
Yttrium (Y)Y		0.050 to 0.12
Manganese (Mn)Mn		0 to 0.15
Zinc (Zn)Zn		0.010 to 0.1
Copper (Cu)Cu		0 to 0.1
Phosphorus (P)P		0 to 0.020
Sulfur (S)S		0 to 0.010