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EN 2.4964 Cobalt vs. C99400 Brass

EN 2.4964 cobalt belongs to the cobalt alloys classification, while C99400 brass belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 2.4964 cobalt and the bottom bar is C99400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 220
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 86
44
Tensile Strength: Ultimate (UTS), MPa 960
460 to 550
Tensile Strength: Yield (Proof), MPa 390
230 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
230
Melting Completion (Liquidus), °C 1630
1070
Melting Onset (Solidus), °C 1550
1020
Specific Heat Capacity, J/kg-K 400
400
Thermal Expansion, µm/m-K 12
17

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 9.6
8.7
Embodied Carbon, kg CO2/kg material 9.8
2.8
Embodied Energy, MJ/kg 140
45
Embodied Water, L/kg 450
310

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 340
230 to 590
Stiffness to Weight: Axial, points 13
7.5
Stiffness to Weight: Bending, points 21
19
Strength to Weight: Axial, points 28
15 to 17
Strength to Weight: Bending, points 23
15 to 17
Thermal Shock Resistance, points 25
16 to 19

Alloy Composition


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Aluminum (Al), % 0
0.5 to 2.0
Carbon (C), % 0.050 to 0.15
0
Chromium (Cr), % 19 to 21
0
Cobalt (Co), % 46.4 to 58
0
Copper (Cu), % 0
83.5 to 96.5
Iron (Fe), % 0 to 3.0
1.0 to 3.0
Lead (Pb), % 0
0 to 0.25
Manganese (Mn), % 0 to 2.0
0 to 0.5
Nickel (Ni), % 9.0 to 11
1.0 to 3.5
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.4
0.5 to 2.0
Sulfur (S), % 0 to 0.015
0
Tungsten (W), % 14 to 16
0
Zinc (Zn), % 0
0.5 to 5.0
Residuals, % 0
0 to 0.3