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C19100 Copper vs. R31537 Cobalt

C19100 copper belongs to the copper alloys classification, while R31537 cobalt belongs to the cobalt alloys. There are 26 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 C19100 copper and the bottom bar is R31537 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 17 to 37
14 to 23
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
87
Tensile Strength: Ultimate (UTS), MPa 250 to 630
1000 to 1340
Tensile Strength: Yield (Proof), MPa 75 to 550
590 to 940

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Melting Completion (Liquidus), °C 1080
1360
Melting Onset (Solidus), °C 1040
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 250
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 55
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 56
2.1

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.4
Embodied Carbon, kg CO2/kg material 2.7
8.1
Embodied Energy, MJ/kg 43
110
Embodied Water, L/kg 310
530

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 60 to 99
140 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 24 to 1310
780 to 1990
Stiffness to Weight: Axial, points 7.2
15
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.7 to 20
33 to 44
Strength to Weight: Bending, points 9.9 to 18
26 to 32
Thermal Diffusivity, mm2/s 73
3.4
Thermal Shock Resistance, points 8.9 to 22
24 to 32

Alloy Composition

Carbon (C), % 0
0 to 0.14
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 0
58.9 to 69
Copper (Cu), % 96.5 to 98.6
0
Iron (Fe), % 0 to 0.2
0 to 0.75
Lead (Pb), % 0 to 0.1
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
5.0 to 7.0
Nickel (Ni), % 0.9 to 1.3
0 to 1.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0.15 to 0.35
0
Silicon (Si), % 0
0 to 1.0
Tellurium (Te), % 0.35 to 0.6
0
Zinc (Zn), % 0 to 0.5
0
Residuals, % 0 to 0.5
0