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C14200 Copper vs. R30008 Cobalt

C14200 copper belongs to the copper alloys classification, while R30008 cobalt belongs to the cobalt alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C14200 copper and the bottom bar is R30008 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Elongation at Break, % 8.0 to 45
1.1 to 73
Fatigue Strength, MPa 76 to 130
320 to 530
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
83
Tensile Strength: Ultimate (UTS), MPa 220 to 370
950 to 1700
Tensile Strength: Yield (Proof), MPa 75 to 340
500 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1030
1330
Specific Heat Capacity, J/kg-K 390
450
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
95
Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.6
8.1
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 310
400

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 500
590 to 2720
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8 to 11
31 to 56
Strength to Weight: Bending, points 9.1 to 13
25 to 37
Thermal Shock Resistance, points 7.9 to 13
25 to 44

Alloy Composition

Arsenic (As), % 0.15 to 0.5
0
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
18.5 to 21.5
Cobalt (Co), % 0
39 to 42
Copper (Cu), % 99.4 to 99.835
0
Iron (Fe), % 0
7.6 to 20
Manganese (Mn), % 0
1.0 to 2.0
Molybdenum (Mo), % 0
6.5 to 7.5
Nickel (Ni), % 0
15 to 18
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