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C10300 Copper vs. R30006 Cobalt

C10300 copper belongs to the copper alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C10300 copper and the bottom bar is R30006 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 2.6 to 50
1.0
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
85
Tensile Strength: Ultimate (UTS), MPa 230 to 410
900
Tensile Strength: Yield (Proof), MPa 77 to 400
540

Thermal Properties

Latent Heat of Fusion, J/g 210
320
Melting Completion (Liquidus), °C 1080
1400
Melting Onset (Solidus), °C 1080
1290
Specific Heat Capacity, J/kg-K 390
450
Thermal Conductivity, W/m-K 390
15
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 99
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 99
1.7

Otherwise Unclassified Properties

Density, g/cm3 9.0
8.6
Embodied Carbon, kg CO2/kg material 2.6
7.8
Embodied Energy, MJ/kg 41
110
Embodied Water, L/kg 310
500

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 9.4 to 91
7.8
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 690
670
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 7.2 to 13
29
Strength to Weight: Bending, points 9.4 to 14
24
Thermal Diffusivity, mm2/s 110
3.9
Thermal Shock Resistance, points 8.2 to 15
26

Alloy Composition

Carbon (C), % 0
0.9 to 1.4
Chromium (Cr), % 0
27 to 32
Cobalt (Co), % 0
48.6 to 68.1
Copper (Cu), % 99.95 to 99.999
0
Iron (Fe), % 0
0 to 3.0
Molybdenum (Mo), % 0
0 to 1.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0.0010 to 0.0050
0
Silicon (Si), % 0
0 to 2.0
Tungsten (W), % 0
4.0 to 6.0