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EN 2.4964 Cobalt vs. C93900 Bronze

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C93900 bronze belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is C93900 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
95
Elongation at Break, % 40
5.6
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 86
35
Tensile Strength: Ultimate (UTS), MPa 960
190
Tensile Strength: Yield (Proof), MPa 390
130

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Melting Completion (Liquidus), °C 1630
940
Melting Onset (Solidus), °C 1550
850
Specific Heat Capacity, J/kg-K 400
340
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 12
19

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
9.1
Embodied Carbon, kg CO2/kg material 9.8
3.0
Embodied Energy, MJ/kg 140
49
Embodied Water, L/kg 450
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
9.5
Resilience: Unit (Modulus of Resilience), kJ/m3 340
83
Stiffness to Weight: Axial, points 13
5.8
Stiffness to Weight: Bending, points 21
17
Strength to Weight: Axial, points 28
5.9
Strength to Weight: Bending, points 23
8.1
Thermal Diffusivity, mm2/s 3.9
17
Thermal Shock Resistance, points 25
7.5

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.5
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
76.5 to 79.5
Iron (Fe), % 0 to 3.0
0 to 0.4
Lead (Pb), % 0
14 to 18
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0 to 0.8
Phosphorus (P), % 0 to 0.020
0 to 1.5
Silicon (Si), % 0 to 0.4
0 to 0.0050
Sulfur (S), % 0 to 0.015
0 to 0.080
Tin (Sn), % 0
5.0 to 7.0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0 to 1.5
Residuals, % 0
0 to 1.1