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EN 2.4964 Cobalt vs. C19700 Copper

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C19700 copper belongs to the copper 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 EN 2.4964 cobalt and the bottom bar is C19700 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 40
2.4 to 13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
43
Tensile Strength: Ultimate (UTS), MPa 960
400 to 530
Tensile Strength: Yield (Proof), MPa 390
330 to 520

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1630
1090
Melting Onset (Solidus), °C 1550
1040
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 15
250
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
86 to 88
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
87 to 89

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.9
Embodied Carbon, kg CO2/kg material 9.8
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 450
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
12 to 49
Resilience: Unit (Modulus of Resilience), kJ/m3 340
460 to 1160
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
12 to 16
Strength to Weight: Bending, points 23
14 to 16
Thermal Diffusivity, mm2/s 3.9
73
Thermal Shock Resistance, points 25
14 to 19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0 to 0.050
Copper (Cu), % 0
97.4 to 99.59
Iron (Fe), % 0 to 3.0
0.3 to 1.2
Lead (Pb), % 0
0 to 0.050
Magnesium (Mg), % 0
0.010 to 0.2
Manganese (Mn), % 0 to 2.0
0 to 0.050
Nickel (Ni), % 9.0 to 11
0 to 0.050
Phosphorus (P), % 0 to 0.020
0.1 to 0.4
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.2
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.2