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Grade M30H Nickel vs. ASTM B631 Class A

Grade M30H 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 M30H nickel and the bottom bar is ASTM B631 class A.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 160
220
Poisson's Ratio 0.32
0.3
Shear Modulus, GPa 61
85 to 86

Thermal Properties

Latent Heat of Fusion, J/g 320
160
Melting Completion (Liquidus), °C 1250
2680 to 2690
Specific Heat Capacity, J/kg-K 440
160
Thermal Conductivity, W/m-K 22
420
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.3
40 to 47
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
25 to 29

Otherwise Unclassified Properties

Density, g/cm3 8.6
15
Embodied Carbon, kg CO2/kg material 7.7
43
Embodied Energy, MJ/kg 110
670

Common Calculations

Stiffness to Weight: Axial, points 10
8.5
Stiffness to Weight: Bending, points 21
14
Thermal Diffusivity, mm2/s 5.7
180