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C14200 Copper vs. R30003 Cobalt

C14200 copper belongs to the copper alloys classification, while R30003 cobalt belongs to the cobalt alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C14200 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, % 8.0 to 45
10 to 73
Fatigue Strength, MPa 76 to 130
320 to 560
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
83
Tensile Strength: Ultimate (UTS), MPa 220 to 370
970 to 1720
Tensile Strength: Yield (Proof), MPa 75 to 340
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 190
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 45
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
95
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.6
8.0
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 310
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 500
600 to 2790
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 11
32 to 57
Strength to Weight: Bending, points 9.1 to 13
26 to 38
Thermal Diffusivity, mm2/s 56
3.3
Thermal Shock Resistance, points 7.9 to 13
26 to 45

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Boron (B), % 0
0 to 0.1
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
39 to 41
Copper (Cu), % 99.4 to 99.835
0
Iron (Fe), % 0
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
Phosphorus (P), % 0.015 to 0.040
0 to 0.015
Silicon (Si), % 0
0 to 1.2
Sulfur (S), % 0
0 to 0.015