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EN 2.4964 Cobalt vs. C84200 Brass

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C84200 brass 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 C84200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
110
Elongation at Break, % 40
15
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 86
40
Tensile Strength: Ultimate (UTS), MPa 960
250
Tensile Strength: Yield (Proof), MPa 390
120

Thermal Properties

Latent Heat of Fusion, J/g 290
180
Melting Completion (Liquidus), °C 1630
990
Melting Onset (Solidus), °C 1550
840
Specific Heat Capacity, J/kg-K 400
370
Thermal Conductivity, W/m-K 15
72
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
16
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
17

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.5
Embodied Carbon, kg CO2/kg material 9.8
3.1
Embodied Energy, MJ/kg 140
51
Embodied Water, L/kg 450
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 310
31
Resilience: Unit (Modulus of Resilience), kJ/m3 340
72
Stiffness to Weight: Axial, points 13
6.9
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 28
8.2
Strength to Weight: Bending, points 23
10
Thermal Diffusivity, mm2/s 3.9
23
Thermal Shock Resistance, points 25
9.1

Alloy Composition


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Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
78 to 82
Iron (Fe), % 0 to 3.0
0 to 0.4
Lead (Pb), % 0
2.0 to 3.0
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
4.0 to 6.0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
10 to 16
Residuals, % 0
0 to 0.7