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Grade CY40 Nickel vs. ASTM B631 Class A

Grade CY40 nickel belongs to the nickel alloys classification, while ASTM B631 class A belongs to the otherwise unclassified metals. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade CY40 nickel and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
220
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 330
160
Melting Completion (Liquidus), °C 1350
2680 to 2690
Specific Heat Capacity, J/kg-K 470
160
Thermal Conductivity, W/m-K 14
420
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
40 to 47
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
25 to 29

Otherwise Unclassified Properties

Density, g/cm3 8.4
15
Embodied Carbon, kg CO2/kg material 9.1
43
Embodied Energy, MJ/kg 130
670

Common Calculations

Stiffness to Weight: Axial, points 13
8.5
Stiffness to Weight: Bending, points 23
14
Thermal Diffusivity, mm2/s 3.7
180