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ASTM B631 Class A vs. C77600 Nickel Silver

ASTM B631 class A belongs to the otherwise unclassified metals classification, while C77600 nickel silver belongs to the copper alloys. There are 15 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class A and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Poisson's Ratio 0.3
0.3
Rockwell B Hardness 63 to 98
83
Shear Modulus, GPa 85 to 86
43

Thermal Properties

Latent Heat of Fusion, J/g 160
180
Melting Completion (Liquidus), °C 2680 to 2690
830
Specific Heat Capacity, J/kg-K 160
390
Thermal Expansion, µm/m-K 11
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 47
27
Electrical Conductivity: Equal Weight (Specific), % IACS 25 to 29
31

Otherwise Unclassified Properties

Density, g/cm3 15
7.9
Embodied Carbon, kg CO2/kg material 43
3.7
Embodied Energy, MJ/kg 670
60

Common Calculations

Stiffness to Weight: Axial, points 8.5
7.9
Stiffness to Weight: Bending, points 14
20