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Grade CX2MW (N26022) Cast Nickel

Grade CX2MW nickel is a nickel alloy formulated for casting. Cited properties are appropriate for the heat treated (HT) condition. CX2MW is the ASTM designation for this material. N26022 is the UNS number. It has a moderately high ductility and a moderately high tensile strength among cast nickels.

The graph bars on the material properties cards below compare grade CX2MW nickel to: cast 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

220 GPa 31 x 106 psi

Elongation at Break

34 %

Fatigue Strength

260 MPa 37 x 103 psi

Poisson's Ratio

0.29

Shear Modulus

84 GPa 12 x 106 psi

Tensile Strength: Ultimate (UTS)

620 MPa 89 x 103 psi

Tensile Strength: Yield (Proof)

350 MPa 51 x 103 psi

Thermal Properties

Latent Heat of Fusion

330 J/g

Maximum Temperature: Mechanical

980 °C 1800 °F

Melting Completion (Liquidus)

1550 °C 2820 °F

Melting Onset (Solidus)

1490 °C 2720 °F

Specific Heat Capacity

430 J/kg-K 0.1 BTU/lb-°F

Thermal Conductivity

10 W/m-K 5.8 BTU/h-ft-°F

Thermal Expansion

12 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.5 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.5 % IACS

Otherwise Unclassified Properties

Base Metal Price

65 % relative

Density

8.9 g/cm3 550 lb/ft3

Embodied Carbon

12 kg CO2/kg material

Embodied Energy

170 MJ/kg 71 x 103 BTU/lb

Embodied Water

290 L/kg 35 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

180 MJ/m3

Resilience: Unit (Modulus of Resilience)

290 kJ/m3

Stiffness to Weight: Axial

14 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

19 points

Strength to Weight: Bending

18 points

Thermal Diffusivity

2.7 mm2/s

Thermal Shock Resistance

17 points

Alloy Composition

Nickel (Ni) 51.3 to 63
Chromium (Cr) 20 to 22.5
Molybdenum (Mo) 12.5 to 14.5
Iron (Fe) 2.0 to 6.0
Tungsten (W) 2.5 to 3.5
Manganese (Mn) 0 to 1.0
Silicon (Si) 0 to 0.8
Vanadium (V) 0 to 0.35
Phosphorus (P) 0 to 0.025
Sulfur (S) 0 to 0.025
Carbon (C) 0 to 0.020

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

Followup Questions

Similar Alloys

Further Reading

ASTM A494: Standard Specification for Castings, Nickel and Nickel Alloy

Welding Metallurgy and Weldability of Nickel-Base Alloys, John C. Lippold et al., 2009

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