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R30605 Cobalt vs. C17465 Copper

R30605 cobalt belongs to the cobalt alloys classification, while C17465 copper belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is R30605 cobalt and the bottom bar is C17465 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
120
Elongation at Break, % 34
5.3 to 36
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 81
44
Tensile Strength: Ultimate (UTS), MPa 1130 to 1900
310 to 930
Tensile Strength: Yield (Proof), MPa 470 to 1600
120 to 830

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1410
1080
Melting Onset (Solidus), °C 1330
1030
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 9.6
220
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
22 to 51
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
23 to 52

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.9
Embodied Carbon, kg CO2/kg material 9.8
4.1
Embodied Energy, MJ/kg 140
64
Embodied Water, L/kg 450
310

Common Calculations

Stiffness to Weight: Axial, points 12
7.3
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 33 to 55
9.7 to 29
Strength to Weight: Bending, points 25 to 36
11 to 24
Thermal Diffusivity, mm2/s 2.5
64
Thermal Shock Resistance, points 31 to 52
11 to 33

Alloy Composition


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Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.15 to 0.5
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 57
0
Copper (Cu), % 0
95.7 to 98.7
Iron (Fe), % 0 to 3.0
0 to 0.2
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 1.0 to 2.0
0
Nickel (Ni), % 9.0 to 11
1.0 to 1.4
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 0.4
0 to 0.2
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.25
Tungsten (W), % 14 to 16
0
Zirconium (Zr), % 0
0 to 0.5
Residuals, % 0
0 to 0.5