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ASTM B631 Class C vs. C96700 Copper

ASTM B631 class C belongs to the otherwise unclassified metals classification, while C96700 copper belongs to the copper alloys. There are 14 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class C and the bottom bar is C96700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 180 to 190
140
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 66 to 71
53

Thermal Properties

Latent Heat of Fusion, J/g 140 to 150
250
Melting Completion (Liquidus), °C 2090 to 2230
1170
Specific Heat Capacity, J/kg-K 180
400
Thermal Conductivity, W/m-K 450 to 490
30
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Density, g/cm3 13 to 14
8.8
Embodied Carbon, kg CO2/kg material 55 to 59
9.5
Embodied Energy, MJ/kg 860 to 920
140

Common Calculations

Stiffness to Weight: Axial, points 7.4 to 7.6
8.9
Stiffness to Weight: Bending, points 14
20
Thermal Diffusivity, mm2/s 180 to 200
8.5