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C81400 Copper vs. ASTM B631 Class B

C81400 copper belongs to the copper alloys classification, while ASTM B631 class B belongs to the otherwise unclassified metals. There are 17 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 C81400 copper and the bottom bar is ASTM B631 class B.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Poisson's Ratio 0.34
0.31
Rockwell B Hardness 69
53 to 85
Shear Modulus, GPa 41
78 to 79

Thermal Properties

Latent Heat of Fusion, J/g 210
150
Melting Completion (Liquidus), °C 1090
2460 to 2480
Specific Heat Capacity, J/kg-K 390
170
Thermal Conductivity, W/m-K 260
450
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 60
50 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 61
32 to 34

Otherwise Unclassified Properties

Density, g/cm3 8.9
14
Embodied Carbon, kg CO2/kg material 2.8
49
Embodied Energy, MJ/kg 45
760

Common Calculations

Stiffness to Weight: Axial, points 7.3
8.1
Stiffness to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 75
190