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R30001 Cobalt vs. C12500 Copper

R30001 cobalt belongs to the cobalt alloys classification, while C12500 copper belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is R30001 cobalt and the bottom bar is C12500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 1.0
1.5 to 50
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 86
43
Tensile Strength: Ultimate (UTS), MPa 620
220 to 420

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Melting Completion (Liquidus), °C 1530
1080
Melting Onset (Solidus), °C 1260
1070
Specific Heat Capacity, J/kg-K 430
390
Thermal Conductivity, W/m-K 15
350
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
92
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
93

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.9
Embodied Carbon, kg CO2/kg material 8.9
2.6
Embodied Energy, MJ/kg 130
41
Embodied Water, L/kg 460
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 22
18
Strength to Weight: Axial, points 19
6.9 to 13
Strength to Weight: Bending, points 18
9.1 to 14
Thermal Diffusivity, mm2/s 3.7
100
Thermal Shock Resistance, points 19
7.8 to 15

Alloy Composition

Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Carbon (C), % 2.0 to 3.0
0
Chromium (Cr), % 28 to 32
0
Cobalt (Co), % 43 to 59
0
Copper (Cu), % 0
99.88 to 100
Iron (Fe), % 0 to 3.0
0
Lead (Pb), % 0
0 to 0.0040
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.050
Silicon (Si), % 0 to 2.0
0
Tellurium (Te), % 0
0 to 0.025
Tungsten (W), % 11 to 13
0
Residuals, % 0
0 to 0.3