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C15900 Copper vs. R30003 Cobalt

C15900 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 C15900 copper and the bottom bar is R30003 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 6.5
10 to 73
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
83
Tensile Strength: Ultimate (UTS), MPa 720
970 to 1720
Tensile Strength: Yield (Proof), MPa 240
510 to 1090

Thermal Properties

Latent Heat of Fusion, J/g 210
310
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1030
1440
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 280
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 48
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 49
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 30
95
Density, g/cm3 8.8
8.4
Embodied Carbon, kg CO2/kg material 2.8
8.0
Embodied Energy, MJ/kg 45
110
Embodied Water, L/kg 310
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 260
600 to 2790
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 23
32 to 57
Strength to Weight: Bending, points 20
26 to 38
Thermal Diffusivity, mm2/s 80
3.3
Thermal Shock Resistance, points 26
26 to 45

Alloy Composition

Aluminum (Al), % 0.76 to 0.84
0
Boron (B), % 0
0 to 0.1
Carbon (C), % 0.27 to 0.33
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Copper (Cu), % 97.5 to 97.9
0
Iron (Fe), % 0 to 0.040
10 to 20.5
Manganese (Mn), % 0
1.5 to 2.5
Molybdenum (Mo), % 0
6.0 to 8.0
Nickel (Ni), % 0
14 to 16
Oxygen (O), % 0.4 to 0.54
0
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0.66 to 0.74
0