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EN 2.4964 Cobalt vs. C12900 Copper

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C12900 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 C12900 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 40
2.8 to 50
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
43
Tensile Strength: Ultimate (UTS), MPa 960
220 to 420
Tensile Strength: Yield (Proof), MPa 390
75 to 380

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1630
1080
Melting Onset (Solidus), °C 1550
1030
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 15
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.6
9.0
Embodied Carbon, kg CO2/kg material 9.8
2.6
Embodied Energy, MJ/kg 140
41
Embodied Water, L/kg 450
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
11 to 88
Resilience: Unit (Modulus of Resilience), kJ/m3 340
24 to 640
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
6.8 to 13
Strength to Weight: Bending, points 23
9.1 to 14
Thermal Diffusivity, mm2/s 3.9
110
Thermal Shock Resistance, points 25
7.8 to 15

Alloy Composition

Antimony (Sb), % 0
0 to 0.0030
Arsenic (As), % 0
0 to 0.012
Bismuth (Bi), % 0
0 to 0.0030
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
99.88 to 100
Iron (Fe), % 0 to 3.0
0
Lead (Pb), % 0
0 to 0.0040
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0 to 0.050
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Silver (Ag), % 0
0 to 0.054
Sulfur (S), % 0 to 0.015
0
Tellurium (Te), % 0
0 to 0.025
Tungsten (W), % 14 to 16
0