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C82000 Copper vs. EN 2.4964 Cobalt

C82000 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 (4, in this case) are not shown.

For each property being compared, the top bar is C82000 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, % 8.0 to 20
40
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 45
86
Tensile Strength: Ultimate (UTS), MPa 350 to 690
960
Tensile Strength: Yield (Proof), MPa 140 to 520
390

Thermal Properties

Latent Heat of Fusion, J/g 220
290
Melting Completion (Liquidus), °C 1090
1630
Melting Onset (Solidus), °C 970
1550
Specific Heat Capacity, J/kg-K 390
400
Thermal Conductivity, W/m-K 260
15
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 46
1.8

Otherwise Unclassified Properties

Density, g/cm3 8.9
9.6
Embodied Carbon, kg CO2/kg material 5.0
9.8
Embodied Energy, MJ/kg 77
140
Embodied Water, L/kg 320
450

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 51 to 55
310
Resilience: Unit (Modulus of Resilience), kJ/m3 80 to 1120
340
Stiffness to Weight: Axial, points 7.5
13
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 11 to 22
28
Strength to Weight: Bending, points 12 to 20
23
Thermal Diffusivity, mm2/s 76
3.9
Thermal Shock Resistance, points 12 to 24
25

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Beryllium (Be), % 0.45 to 0.8
0
Carbon (C), % 0
0.050 to 0.15
Chromium (Cr), % 0 to 0.1
19 to 21
Cobalt (Co), % 2.2 to 2.7
46.4 to 58
Copper (Cu), % 95.2 to 97.4
0
Iron (Fe), % 0 to 0.1
0 to 3.0
Lead (Pb), % 0 to 0.020
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.2
9.0 to 11
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.15
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Tin (Sn), % 0 to 0.1
0
Tungsten (W), % 0
14 to 16
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.5
0