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C18400 Copper vs. ASTM B631 Class C

C18400 copper belongs to the copper alloys classification, while ASTM B631 class C belongs to the otherwise unclassified metals. There are 17 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 C18400 copper and the bottom bar is ASTM B631 class C.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
180 to 190
Poisson's Ratio 0.34
0.32
Rockwell B Hardness 16 to 84
43 to 68
Shear Modulus, GPa 44
66 to 71

Thermal Properties

Latent Heat of Fusion, J/g 210
140 to 150
Melting Completion (Liquidus), °C 1080
2090 to 2230
Specific Heat Capacity, J/kg-K 390
180
Thermal Conductivity, W/m-K 320
450 to 490
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
55 to 63
Electrical Conductivity: Equal Weight (Specific), % IACS 81
36 to 43

Otherwise Unclassified Properties

Density, g/cm3 8.9
13 to 14
Embodied Carbon, kg CO2/kg material 2.6
55 to 59
Embodied Energy, MJ/kg 41
860 to 920

Common Calculations

Stiffness to Weight: Axial, points 7.3
7.4 to 7.6
Stiffness to Weight: Bending, points 18
14
Thermal Diffusivity, mm2/s 94
180 to 200