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EN 2.4964 Cobalt vs. C83300 Brass

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C83300 brass 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 C83300 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 40
35
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
42
Tensile Strength: Ultimate (UTS), MPa 960
220
Tensile Strength: Yield (Proof), MPa 390
69

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Melting Completion (Liquidus), °C 1630
1060
Melting Onset (Solidus), °C 1550
1030
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 15
160
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
32
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
33

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.8
Embodied Carbon, kg CO2/kg material 9.8
2.7
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 450
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
60
Resilience: Unit (Modulus of Resilience), kJ/m3 340
21
Stiffness to Weight: Axial, points 13
7.0
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
6.9
Strength to Weight: Bending, points 23
9.2
Thermal Diffusivity, mm2/s 3.9
48
Thermal Shock Resistance, points 25
7.9

Alloy Composition


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Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
92 to 94
Iron (Fe), % 0 to 3.0
0
Lead (Pb), % 0
1.0 to 2.0
Manganese (Mn), % 0 to 2.0
0
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
1.0 to 2.0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
2.0 to 6.0
Residuals, % 0
0 to 0.7