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ASTM B631 Class A vs. C55280 Copper

ASTM B631 class A belongs to the otherwise unclassified metals classification, while C55280 copper belongs to the copper alloys. There are 12 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class A and the bottom bar is C55280 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Poisson's Ratio 0.3
0.34
Shear Modulus, GPa 85 to 86
40

Thermal Properties

Latent Heat of Fusion, J/g 160
190
Melting Completion (Liquidus), °C 2680 to 2690
790
Specific Heat Capacity, J/kg-K 160
410
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Density, g/cm3 15
8.5
Embodied Carbon, kg CO2/kg material 43
4.2
Embodied Energy, MJ/kg 670
67

Common Calculations

Stiffness to Weight: Axial, points 8.5
6.9
Stiffness to Weight: Bending, points 14
19