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R30012 Cobalt vs. C82600 Copper

R30012 cobalt belongs to the cobalt alloys classification, while C82600 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is R30012 cobalt and the bottom bar is C82600 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 1.0
1.0 to 20
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 86
46
Tensile Strength: Ultimate (UTS), MPa 830
570 to 1140
Tensile Strength: Yield (Proof), MPa 650
320 to 1070

Thermal Properties

Latent Heat of Fusion, J/g 320
240
Melting Completion (Liquidus), °C 1470
950
Melting Onset (Solidus), °C 1280
860
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 15
130
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
19
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
20

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.7
Embodied Carbon, kg CO2/kg material 8.3
11
Embodied Energy, MJ/kg 120
180
Embodied Water, L/kg 480
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.7
11 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 960
430 to 4690
Stiffness to Weight: Axial, points 14
7.8
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 26
18 to 36
Strength to Weight: Bending, points 22
17 to 28
Thermal Diffusivity, mm2/s 3.8
37
Thermal Shock Resistance, points 23
19 to 39

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Beryllium (Be), % 0
2.3 to 2.6
Carbon (C), % 1.4 to 2.0
0
Chromium (Cr), % 27 to 32
0 to 0.1
Cobalt (Co), % 47.5 to 64.1
0.35 to 0.65
Copper (Cu), % 0
94.9 to 97.2
Iron (Fe), % 0 to 3.0
0 to 0.25
Lead (Pb), % 0
0 to 0.020
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 3.0
0 to 0.2
Silicon (Si), % 0 to 2.0
0.2 to 0.35
Tin (Sn), % 0
0 to 0.1
Titanium (Ti), % 0
0 to 0.12
Tungsten (W), % 7.5 to 9.5
0
Zinc (Zn), % 0
0 to 0.1
Residuals, % 0
0 to 0.5