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EN 2.4964 Cobalt vs. C18400 Copper

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C18400 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 C18400 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 40
13 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
44
Tensile Strength: Ultimate (UTS), MPa 960
270 to 490
Tensile Strength: Yield (Proof), MPa 390
110 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1630
1080
Melting Onset (Solidus), °C 1550
1070
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
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 450
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
63 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 340
54 to 980
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
8.5 to 15
Strength to Weight: Bending, points 23
10 to 16
Thermal Diffusivity, mm2/s 3.9
94
Thermal Shock Resistance, points 25
9.6 to 17

Alloy Composition

Arsenic (As), % 0
0 to 0.0050
Calcium (Ca), % 0
0 to 0.0050
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
97.2 to 99.6
Iron (Fe), % 0 to 3.0
0 to 0.15
Lithium (Li), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0 to 0.050
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 0.7
Residuals, % 0
0 to 0.5