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EN 2.4964 Cobalt vs. C38000 Brass

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C38000 brass belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is C38000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
100
Elongation at Break, % 40
17
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 86
39
Tensile Strength: Ultimate (UTS), MPa 960
380
Tensile Strength: Yield (Proof), MPa 390
120

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Melting Completion (Liquidus), °C 1630
800
Melting Onset (Solidus), °C 1550
760
Specific Heat Capacity, J/kg-K 400
380
Thermal Conductivity, W/m-K 15
110
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.0
Embodied Carbon, kg CO2/kg material 9.8
2.7
Embodied Energy, MJ/kg 140
46
Embodied Water, L/kg 450
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
50
Resilience: Unit (Modulus of Resilience), kJ/m3 340
74
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 28
13
Strength to Weight: Bending, points 23
14
Thermal Diffusivity, mm2/s 3.9
37
Thermal Shock Resistance, points 25
13

Alloy Composition


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Aluminum (Al), % 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
55 to 60
Iron (Fe), % 0 to 3.0
0 to 0.35
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
Tin (Sn), % 0
0 to 0.3
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
35.9 to 43.5
Residuals, % 0
0 to 0.5