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EN 2.4964 Cobalt vs. C66200 Brass

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C66200 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 C66200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 40
8.0 to 15
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
42
Tensile Strength: Ultimate (UTS), MPa 960
450 to 520
Tensile Strength: Yield (Proof), MPa 390
410 to 480

Thermal Properties

Latent Heat of Fusion, J/g 290
200
Melting Completion (Liquidus), °C 1630
1070
Melting Onset (Solidus), °C 1550
1030
Specific Heat Capacity, J/kg-K 400
390
Thermal Conductivity, W/m-K 15
150
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
35
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
36

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.7
Embodied Carbon, kg CO2/kg material 9.8
2.7
Embodied Energy, MJ/kg 140
43
Embodied Water, L/kg 450
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
40 to 66
Resilience: Unit (Modulus of Resilience), kJ/m3 340
760 to 1030
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 28
14 to 17
Strength to Weight: Bending, points 23
15 to 16
Thermal Diffusivity, mm2/s 3.9
45
Thermal Shock Resistance, points 25
16 to 18

Alloy Composition

Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
86.6 to 91
Iron (Fe), % 0 to 3.0
0 to 0.050
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 11
0.3 to 1.0
Phosphorus (P), % 0 to 0.020
0.050 to 0.2
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0.2 to 0.7
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
6.5 to 12.9
Residuals, % 0
0 to 0.5