C51000 Bronze vs. R30006 Cobalt
C51000 bronze belongs to the copper alloys classification, while R30006 cobalt belongs to the cobalt alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is C51000 bronze and the bottom bar is R30006 cobalt.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 220 |
| Elongation at Break, % | 2.7 to 64 | |
| 1.0 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 42 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 330 to 780 | |
| 900 |
| Tensile Strength: Yield (Proof), MPa | 130 to 750 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 200 | |
| 320 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1400 |
| Melting Onset (Solidus), °C | 960 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 450 |
| Thermal Conductivity, W/m-K | 77 | |
| 15 |
| Thermal Expansion, µm/m-K | 18 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 1.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 18 | |
| 1.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 7.8 |
| Embodied Energy, MJ/kg | 50 | |
| 110 |
| Embodied Water, L/kg | 350 | |
| 500 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 7.0 to 490 | |
| 7.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 to 2490 | |
| 670 |
| Stiffness to Weight: Axial, points | 7.0 | |
| 14 |
| Stiffness to Weight: Bending, points | 18 | |
| 23 |
| Strength to Weight: Axial, points | 10 to 25 | |
| 29 |
| Strength to Weight: Bending, points | 12 to 21 | |
| 24 |
| Thermal Diffusivity, mm2/s | 23 | |
| 3.9 |
| Thermal Shock Resistance, points | 12 to 28 | |
| 26 |
Alloy Composition
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| Carbon (C), % | 0 | |
| 0.9 to 1.4 |
| Chromium (Cr), % | 0 | |
| 27 to 32 |
| Cobalt (Co), % | 0 | |
| 48.6 to 68.1 |
| Copper (Cu), % | 92.9 to 95.5 | |
| 0 |
| Iron (Fe), % | 0 to 0.1 | |
| 0 to 3.0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 | |
| 0 to 3.0 |
| Phosphorus (P), % | 0.030 to 0.35 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 2.0 |
| Tin (Sn), % | 4.5 to 5.8 | |
| 0 |
| Tungsten (W), % | 0 | |
| 4.0 to 6.0 |
| Zinc (Zn), % | 0 to 0.3 | |
| 0 |
| Residuals, % | 0 to 0.5 | |
| 0 |