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C17510 Copper vs. R30003 Cobalt

C17510 copper belongs to the copper alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C17510 copper and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 5.4 to 37
10 to 73
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 44
83
Tensile Strength: Ultimate (UTS), MPa 310 to 860
970 to 1720
Tensile Strength: Yield (Proof), MPa 120 to 750
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 220
310
Melting Completion (Liquidus), °C 1070
1400
Melting Onset (Solidus), °C 1030
1440
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 210
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22 to 54
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 23 to 54
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 49
95
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 4.2
8.0
Embodied Energy, MJ/kg 65
110
Embodied Water, L/kg 310
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 64 to 2410
600 to 2790
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 9.7 to 27
32 to 57
Strength to Weight: Bending, points 11 to 23
26 to 38
Thermal Diffusivity, mm2/s 60
3.3
Thermal Shock Resistance, points 11 to 30
26 to 45

Alloy Composition

Aluminum (Al), % 0 to 0.2
0
Beryllium (Be), % 0.2 to 0.6
0
Boron (B), % 0
0 to 0.1
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0 to 0.3
39 to 41
Copper (Cu), % 95.9 to 98.4
0
Iron (Fe), % 0 to 0.1
10 to 20.5
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 1.4 to 2.2
14 to 16
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.2
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Residuals, % 0 to 0.5
0