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C14500 Copper vs. R30001 Cobalt

C14500 copper belongs to the copper alloys classification, while R30001 cobalt belongs to the cobalt 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 C14500 copper and the bottom bar is R30001 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 12 to 50
1.0
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
86
Tensile Strength: Ultimate (UTS), MPa 220 to 330
620

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Melting Completion (Liquidus), °C 1080
1530
Melting Onset (Solidus), °C 1050
1260
Specific Heat Capacity, J/kg-K 390
430
Thermal Conductivity, W/m-K 360
15
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 94
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 95
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.0
Embodied Carbon, kg CO2/kg material 2.6
8.9
Embodied Energy, MJ/kg 42
130
Embodied Water, L/kg 310
460

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
22
Strength to Weight: Axial, points 6.8 to 10
19
Strength to Weight: Bending, points 9.1 to 12
18
Thermal Diffusivity, mm2/s 100
3.7
Thermal Shock Resistance, points 8.0 to 12
19

Alloy Composition

Carbon (C), % 0
2.0 to 3.0
Chromium (Cr), % 0
28 to 32
Cobalt (Co), % 0
43 to 59
Copper (Cu), % 99.2 to 99.596
0
Iron (Fe), % 0
0 to 3.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0.0040 to 0.012
0
Silicon (Si), % 0
0 to 2.0
Tellurium (Te), % 0.4 to 0.7
0
Tungsten (W), % 0
11 to 13