C99400 Brass vs. EN 2.4964 Cobalt
C99400 brass belongs to the copper alloys classification, while EN 2.4964 cobalt belongs to the cobalt 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 C99400 brass and the bottom bar is EN 2.4964 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 220 |
| Poisson's Ratio | 0.34 | |
| 0.29 |
| Shear Modulus, GPa | 44 | |
| 86 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 550 | |
| 960 |
| Tensile Strength: Yield (Proof), MPa | 230 to 370 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 290 |
| Melting Completion (Liquidus), °C | 1070 | |
| 1630 |
| Melting Onset (Solidus), °C | 1020 | |
| 1550 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 400 |
| Thermal Expansion, µm/m-K | 17 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 17 | |
| 1.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 1.8 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.7 | |
| 9.6 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 9.8 |
| Embodied Energy, MJ/kg | 45 | |
| 140 |
| Embodied Water, L/kg | 310 | |
| 450 |
Common Calculations
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 590 | |
| 340 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 13 |
| Stiffness to Weight: Bending, points | 19 | |
| 21 |
| Strength to Weight: Axial, points | 15 to 17 | |
| 28 |
| Strength to Weight: Bending, points | 15 to 17 | |
| 23 |
| Thermal Shock Resistance, points | 16 to 19 | |
| 25 |
Alloy Composition
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| Aluminum (Al), % | 0.5 to 2.0 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.050 to 0.15 |
| Chromium (Cr), % | 0 | |
| 19 to 21 |
| Cobalt (Co), % | 0 | |
| 46.4 to 58 |
| Copper (Cu), % | 83.5 to 96.5 | |
| 0 |
| Iron (Fe), % | 1.0 to 3.0 | |
| 0 to 3.0 |
| Lead (Pb), % | 0 to 0.25 | |
| 0 |
| Manganese (Mn), % | 0 to 0.5 | |
| 0 to 2.0 |
| Nickel (Ni), % | 1.0 to 3.5 | |
| 9.0 to 11 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0.5 to 2.0 | |
| 0 to 0.4 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tungsten (W), % | 0 | |
| 14 to 16 |
| Zinc (Zn), % | 0.5 to 5.0 | |
| 0 |
| Residuals, % | 0 to 0.3 | |
| 0 |