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C12000 Copper vs. EN 2.4964 Cobalt

C12000 copper belongs to the copper alloys classification, while EN 2.4964 cobalt belongs to the cobalt alloys. There are 26 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 C12000 copper and the bottom bar is EN 2.4964 cobalt.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
220
Elongation at Break, % 2.8 to 50
40
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
86
Tensile Strength: Ultimate (UTS), MPa 230 to 410
960
Tensile Strength: Yield (Proof), MPa 77 to 400
390

Thermal Properties

Latent Heat of Fusion, J/g 210
290
Melting Completion (Liquidus), °C 1080
1630
Melting Onset (Solidus), °C 1080
1550
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 390
15
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 98
1.8

Otherwise Unclassified Properties

Density, g/cm3 9.0
9.6
Embodied Carbon, kg CO2/kg material 2.6
9.8
Embodied Energy, MJ/kg 41
140
Embodied Water, L/kg 310
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 10 to 91
310
Resilience: Unit (Modulus of Resilience), kJ/m3 25 to 690
340
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 7.2 to 13
28
Strength to Weight: Bending, points 9.4 to 14
23
Thermal Diffusivity, mm2/s 110
3.9
Thermal Shock Resistance, points 8.2 to 15
25

Alloy Composition

Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0
19 to 21
Cobalt (Co), % 0
46.4 to 58
Copper (Cu), % 99.9 to 99.996
0
Iron (Fe), % 0
0 to 3.0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0
9.0 to 11
Phosphorus (P), % 0.0040 to 0.012
0 to 0.020
Silicon (Si), % 0
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tungsten (W), % 0
14 to 16