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C55282 Copper vs. R31537 Cobalt

C55282 copper belongs to the copper alloys classification, while R31537 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is C55282 copper and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
220
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 39
87
Tensile Strength: Ultimate (UTS), MPa 180
1000 to 1340

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Melting Completion (Liquidus), °C 770
1360
Melting Onset (Solidus), °C 640
1290
Specific Heat Capacity, J/kg-K 400
450
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Density, g/cm3 8.6
8.4
Embodied Carbon, kg CO2/kg material 7.0
8.1
Embodied Energy, MJ/kg 110
110

Common Calculations

Stiffness to Weight: Axial, points 6.8
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 5.8
33 to 44
Strength to Weight: Bending, points 8.2
26 to 32
Thermal Shock Resistance, points 7.4
24 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 87.7 to 88.7
0
Iron (Fe), % 0
0 to 0.75
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 6.5 to 7.0
0
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 4.8 to 5.2
0
Residuals, % 0 to 0.15
0