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C14510 Copper vs. R31539 Cobalt

C14510 copper belongs to the copper alloys classification, while R31539 cobalt belongs to the cobalt alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C14510 copper and the bottom bar is R31539 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 9.1 to 9.6
13 to 22
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
86
Tensile Strength: Ultimate (UTS), MPa 300 to 320
1000 to 1340
Tensile Strength: Yield (Proof), MPa 230 to 250
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Melting Completion (Liquidus), °C 1080
1360
Melting Onset (Solidus), °C 1050
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 360
13
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.6
8.2
Embodied Energy, MJ/kg 42
110
Embodied Water, L/kg 310
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 25 to 29
140 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 230 to 280
780 to 2000
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.2 to 10
33 to 44
Strength to Weight: Bending, points 11 to 12
27 to 32
Thermal Diffusivity, mm2/s 100
3.5
Thermal Shock Resistance, points 11 to 12
24 to 32

Alloy Composition

Aluminum (Al), % 0
0.3 to 1.0
Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
57.7 to 68.7
Copper (Cu), % 99.15 to 99.69
0
Iron (Fe), % 0
0 to 0.75
Lanthanum (La), % 0
0.030 to 0.2
Lead (Pb), % 0 to 0.050
0
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), % 0.010 to 0.030
0
Silicon (Si), % 0
0 to 1.0
Tellurium (Te), % 0.3 to 0.7
0