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ASTM B631 Class A vs. C73500 Nickel Silver

ASTM B631 class A belongs to the otherwise unclassified metals classification, while C73500 nickel silver belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class A and the bottom bar is C73500 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
130
Poisson's Ratio 0.3
0.33
Rockwell B Hardness 63 to 98
73 to 88
Shear Modulus, GPa 85 to 86
47

Thermal Properties

Latent Heat of Fusion, J/g 160
210
Melting Completion (Liquidus), °C 2680 to 2690
1140
Specific Heat Capacity, J/kg-K 160
400
Thermal Conductivity, W/m-K 420
36
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 47
6.5
Electrical Conductivity: Equal Weight (Specific), % IACS 25 to 29
6.7

Otherwise Unclassified Properties

Density, g/cm3 15
8.7
Embodied Carbon, kg CO2/kg material 43
4.0
Embodied Energy, MJ/kg 670
61

Common Calculations

Stiffness to Weight: Axial, points 8.5
8.0
Stiffness to Weight: Bending, points 14
19
Thermal Diffusivity, mm2/s 180
10