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ASTM B631 Class B vs. CR017A Copper

ASTM B631 class B belongs to the otherwise unclassified metals classification, while CR017A copper belongs to the copper alloys. There are 16 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is ASTM B631 class B and the bottom bar is CR017A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Poisson's Ratio 0.31
0.34
Shear Modulus, GPa 78 to 79
43

Thermal Properties

Latent Heat of Fusion, J/g 150
210
Melting Completion (Liquidus), °C 2460 to 2480
1090
Specific Heat Capacity, J/kg-K 170
390
Thermal Conductivity, W/m-K 450
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 50 to 53
100
Electrical Conductivity: Equal Weight (Specific), % IACS 32 to 34
100

Otherwise Unclassified Properties

Density, g/cm3 14
9.0
Embodied Carbon, kg CO2/kg material 49
2.6
Embodied Energy, MJ/kg 760
42

Common Calculations

Stiffness to Weight: Axial, points 8.1
7.2
Stiffness to Weight: Bending, points 14
18
Thermal Diffusivity, mm2/s 190
110