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EN 2.4964 Cobalt vs. C67500 Bronze

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C67500 bronze belongs to the copper 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 EN 2.4964 cobalt and the bottom bar is C67500 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 40
14 to 33
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 86
40
Tensile Strength: Ultimate (UTS), MPa 960
430 to 580
Tensile Strength: Yield (Proof), MPa 390
170 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Melting Completion (Liquidus), °C 1630
890
Melting Onset (Solidus), °C 1550
870
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 12
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
24
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
27

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.0
Embodied Carbon, kg CO2/kg material 9.8
2.8
Embodied Energy, MJ/kg 140
47
Embodied Water, L/kg 450
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
61 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 340
130 to 650
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 21
20
Strength to Weight: Axial, points 28
15 to 20
Strength to Weight: Bending, points 23
16 to 19
Thermal Diffusivity, mm2/s 3.9
34
Thermal Shock Resistance, points 25
14 to 19

Alloy Composition

Aluminum (Al), % 0
0 to 0.25
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
57 to 60
Iron (Fe), % 0 to 3.0
0.8 to 2.0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0 to 2.0
0.050 to 0.5
Nickel (Ni), % 9.0 to 11
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.5 to 1.5
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
35.1 to 41.7
Residuals, % 0
0 to 0.5