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Grade CY40 (J06040) Cast Nickel

Grade CY40 nickel is a nickel alloy formulated for casting. Cited properties are appropriate for the as-fabricated (no temper or treatment) condition. CY40 is the ASTM designation for this material. J06040 is the UNS number. It has a moderately high ductility among the cast nickels in the database.

The graph bars on the material properties cards below compare grade CY40 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

190 GPa 28 x 106 psi

Elongation at Break

34 %

Fatigue Strength

160 MPa 24 x 103 psi

Poisson's Ratio

0.29

Shear Modulus

74 GPa 11 x 106 psi

Tensile Strength: Ultimate (UTS)

540 MPa 79 x 103 psi

Tensile Strength: Yield (Proof)

220 MPa 32 x 103 psi

Thermal Properties

Latent Heat of Fusion

330 J/g

Maximum Temperature: Mechanical

960 °C 1760 °F

Melting Completion (Liquidus)

1350 °C 2460 °F

Melting Onset (Solidus)

1300 °C 2370 °F

Specific Heat Capacity

470 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

14 W/m-K 8.4 BTU/h-ft-°F

Thermal Expansion

12 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

1.7 % IACS

Electrical Conductivity: Equal Weight (Specific)

1.8 % IACS

Otherwise Unclassified Properties

Base Metal Price

55 % relative

Density

8.4 g/cm3 530 lb/ft3

Embodied Carbon

9.1 kg CO2/kg material

Embodied Energy

130 MJ/kg 55 x 103 BTU/lb

Embodied Water

260 L/kg 31 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

150 MJ/m3

Resilience: Unit (Modulus of Resilience)

130 kJ/m3

Stiffness to Weight: Axial

13 points

Stiffness to Weight: Bending

23 points

Strength to Weight: Axial

18 points

Strength to Weight: Bending

18 points

Thermal Diffusivity

3.7 mm2/s

Thermal Shock Resistance

16 points

Alloy Composition

Nickel (Ni) 67 to 86
Chromium (Cr) 14 to 17
Iron (Fe) 0 to 11
Silicon (Si) 0 to 3.0
Manganese (Mn) 0 to 1.5
Carbon (C) 0 to 0.4
Phosphorus (P) 0 to 0.030
Sulfur (S) 0 to 0.030

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