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EN 2.4964 Cobalt vs. C33200 Brass

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C33200 brass 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 C33200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 40
7.0 to 60
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 86
40
Tensile Strength: Ultimate (UTS), MPa 960
320 to 520
Tensile Strength: Yield (Proof), MPa 390
110 to 450

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Melting Completion (Liquidus), °C 1630
930
Melting Onset (Solidus), °C 1550
900
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
26
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
28

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.2
Embodied Carbon, kg CO2/kg material 9.8
2.6
Embodied Energy, MJ/kg 140
44
Embodied Water, L/kg 450
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
35 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 340
60 to 960
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 28
11 to 17
Strength to Weight: Bending, points 23
13 to 17
Thermal Diffusivity, mm2/s 3.9
37
Thermal Shock Resistance, points 25
11 to 17

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
65 to 68
Iron (Fe), % 0 to 3.0
0 to 0.070
Lead (Pb), % 0
1.5 to 2.5
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
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
29 to 33.5
Residuals, % 0
0 to 0.4