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EN 2.4964 Cobalt vs. C72800 Copper-nickel

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C72800 copper-nickel 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 C72800 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Elongation at Break, % 40
3.9 to 23
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
44
Tensile Strength: Ultimate (UTS), MPa 960
520 to 1270
Tensile Strength: Yield (Proof), MPa 390
250 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1630
1080
Melting Onset (Solidus), °C 1550
920
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 15
55
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
11
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
11

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.8
Embodied Carbon, kg CO2/kg material 9.8
4.4
Embodied Energy, MJ/kg 140
68
Embodied Water, L/kg 450
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
37 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 340
260 to 5650
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 28
17 to 40
Strength to Weight: Bending, points 23
16 to 30
Thermal Diffusivity, mm2/s 3.9
17
Thermal Shock Resistance, points 25
19 to 45

Alloy Composition


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Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.020
Bismuth (Bi), % 0
0 to 0.0010
Boron (B), % 0
0 to 0.0010
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
78.3 to 82.8
Iron (Fe), % 0 to 3.0
0 to 0.5
Lead (Pb), % 0
0 to 0.0050
Magnesium (Mg), % 0
0.0050 to 0.15
Manganese (Mn), % 0 to 2.0
0.050 to 0.3
Nickel (Ni), % 9.0 to 11
9.5 to 10.5
Niobium (Nb), % 0
0.1 to 0.3
Phosphorus (P), % 0 to 0.020
0 to 0.0050
Silicon (Si), % 0 to 0.4
0 to 0.050
Sulfur (S), % 0 to 0.015
0 to 0.0025
Tin (Sn), % 0
7.5 to 8.5
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.3