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UNS N06045 Nickel-Chromium Alloy

N06045 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 low embodied energy among wrought nickels. In addition, it has a moderately high heat capacity and a moderately low base cost.

The graph bars on the material properties cards below compare N06045 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

37 %

Fatigue Strength

210 MPa 30 x 10³ psi

Poisson's Ratio

0.28

Shear Modulus

77 GPa 11 x 10⁶ psi

Shear Strength

470 MPa 68 x 10³ psi

Tensile Strength: Ultimate (UTS)

690 MPa 100 x 10³ psi

Tensile Strength: Yield (Proof)

270 MPa 39 x 10³ psi

Thermal Properties

Latent Heat of Fusion

350 J/g

Maximum Temperature: Mechanical

1010 °C 1850 °F

Melting Completion (Liquidus)

1350 °C 2460 °F

Melting Onset (Solidus)

1300 °C 2370 °F

Specific Heat Capacity

480 J/kg-K 0.12 BTU/lb-°F

Thermal Expansion

13 µm/m-K

Otherwise Unclassified Properties

Base Metal Price

42 % relative

Density

8.0 g/cm³ 500 lb/ft³

Embodied Carbon

6.9 kg CO₂/kg material

Embodied Energy

98 MJ/kg 42 x 10³ BTU/lb

Embodied Water

250 L/kg 30 gal/lb

Common Calculations

PREN (Pitting Resistance)

Resilience: Ultimate (Unit Rupture Work)

200 MJ/m³

Resilience: Unit (Modulus of Resilience)

180 kJ/m³

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

24 points

Strength to Weight: Axial

24 points

Strength to Weight: Bending

22 points

Thermal Shock Resistance

18 points

Alloy Composition

Nickel (Ni)Ni		45 to 50.4
Chromium (Cr)Cr		26 to 29
Iron (Fe)Fe		21 to 25
Silicon (Si)Si		2.5 to 3.0
Manganese (Mn)Mn		0 to 1.0
Copper (Cu)Cu		0 to 0.3
Carbon (C)C		0.050 to 0.12
Cerium (Ce)Ce		0.030 to 0.090
Phosphorus (P)P		0 to 0.020
Sulfur (S)S		0 to 0.010