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C55284 Copper vs. R30001 Cobalt

C55284 copper belongs to the copper alloys classification, while R30001 cobalt belongs to the cobalt alloys. There are 17 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C55284 copper and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
220
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 38
86
Tensile Strength: Ultimate (UTS), MPa 180
620

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Melting Completion (Liquidus), °C 800
1530
Melting Onset (Solidus), °C 640
1260
Specific Heat Capacity, J/kg-K 380
430
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 16
8.9
Embodied Energy, MJ/kg 260
130

Common Calculations

Stiffness to Weight: Axial, points 6.5
14
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 5.6
19
Strength to Weight: Bending, points 8.0
18
Thermal Shock Resistance, points 7.4
19

Alloy Composition


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Carbon (C), % 0
2.0 to 3.0
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
43 to 59
Copper (Cu), % 79.2 to 80.7
0
Iron (Fe), % 0
0 to 3.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 4.8 to 5.2
0
Silicon (Si), % 0
0 to 2.0
Silver (Ag), % 14.5 to 15.5
0
Tungsten (W), % 0
11 to 13
Residuals, % 0 to 0.15
0