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EN 2.4964 Cobalt vs. C18100 Copper

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C18100 copper belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is C18100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 40
8.3
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
47
Tensile Strength: Ultimate (UTS), MPa 960
510
Tensile Strength: Yield (Proof), MPa 390
460

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1630
1080
Melting Onset (Solidus), °C 1550
1020
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 15
320
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
80
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
81

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.9
Embodied Carbon, kg CO2/kg material 9.8
2.7
Embodied Energy, MJ/kg 140
43
Embodied Water, L/kg 450
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
40
Resilience: Unit (Modulus of Resilience), kJ/m3 340
900
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
16
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 3.9
94
Thermal Shock Resistance, points 25
18

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0.4 to 1.2
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
98.7 to 99.49
Iron (Fe), % 0 to 3.0
0
Magnesium (Mg), % 0
0.030 to 0.060
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 14 to 16
0
Zirconium (Zr), % 0
0.080 to 0.2
Residuals, % 0
0 to 0.5