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R31537 Cobalt vs. C11000 Copper

R31537 cobalt belongs to the cobalt alloys classification, while C11000 copper belongs to the copper alloys. There are 26 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 R31537 cobalt and the bottom bar is C11000 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 14 to 23
1.5 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 87
43
Tensile Strength: Ultimate (UTS), MPa 1000 to 1340
220 to 410
Tensile Strength: Yield (Proof), MPa 590 to 940
69 to 390

Thermal Properties

Latent Heat of Fusion, J/g 320
210
Melting Completion (Liquidus), °C 1360
1080
Melting Onset (Solidus), °C 1290
1070
Specific Heat Capacity, J/kg-K 450
390
Thermal Conductivity, W/m-K 13
390
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
100

Otherwise Unclassified Properties

Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 8.1
2.6
Embodied Energy, MJ/kg 110
41
Embodied Water, L/kg 530
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 200
6.1 to 91
Resilience: Unit (Modulus of Resilience), kJ/m3 780 to 1990
21 to 640
Stiffness to Weight: Axial, points 15
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 33 to 44
6.8 to 13
Strength to Weight: Bending, points 26 to 32
9.0 to 14
Thermal Diffusivity, mm2/s 3.4
110
Thermal Shock Resistance, points 24 to 32
8.0 to 15

Alloy Composition

Carbon (C), % 0 to 0.14
0
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 58.9 to 69
0
Copper (Cu), % 0
99.9 to 100
Iron (Fe), % 0 to 0.75
0
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 5.0 to 7.0
0
Nickel (Ni), % 0 to 1.0
0
Nitrogen (N), % 0 to 0.25
0
Silicon (Si), % 0 to 1.0
0
Residuals, % 0
0 to 0.1