C61300 Bronze vs. R30006 Cobalt
C61300 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 (7, in this case) are not shown.
For each property being compared, the top bar is C61300 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, % | 34 to 40 | |
| 1.0 |
| Poisson's Ratio | 0.34 | |
| 0.28 |
| Shear Modulus, GPa | 43 | |
| 85 |
| Tensile Strength: Ultimate (UTS), MPa | 550 to 580 | |
| 900 |
| Tensile Strength: Yield (Proof), MPa | 230 to 310 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 320 |
| Melting Completion (Liquidus), °C | 1050 | |
| 1400 |
| Melting Onset (Solidus), °C | 1040 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 420 | |
| 450 |
| Thermal Conductivity, W/m-K | 55 | |
| 15 |
| Thermal Expansion, µm/m-K | 18 | |
| 11 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 1.6 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 13 | |
| 1.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 8.6 |
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 7.8 |
| Embodied Energy, MJ/kg | 49 | |
| 110 |
| Embodied Water, L/kg | 370 | |
| 500 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 150 to 190 | |
| 7.8 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 410 | |
| 670 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 14 |
| Stiffness to Weight: Bending, points | 19 | |
| 23 |
| Strength to Weight: Axial, points | 18 to 19 | |
| 29 |
| Strength to Weight: Bending, points | 18 | |
| 24 |
| Thermal Diffusivity, mm2/s | 15 | |
| 3.9 |
| Thermal Shock Resistance, points | 19 to 20 | |
| 26 |
Alloy Composition
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| Aluminum (Al), % | 6.0 to 7.5 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.9 to 1.4 |
| Chromium (Cr), % | 0 | |
| 27 to 32 |
| Cobalt (Co), % | 0 | |
| 48.6 to 68.1 |
| Copper (Cu), % | 88 to 91.8 | |
| 0 |
| Iron (Fe), % | 2.0 to 3.0 | |
| 0 to 3.0 |
| Lead (Pb), % | 0 to 0.010 | |
| 0 |
| Manganese (Mn), % | 0 to 0.2 | |
| 0 |
| Molybdenum (Mo), % | 0 | |
| 0 to 1.0 |
| Nickel (Ni), % | 0 to 0.15 | |
| 0 to 3.0 |
| Phosphorus (P), % | 0 to 0.015 | |
| 0 |
| Silicon (Si), % | 0 to 0.1 | |
| 0 to 2.0 |
| Tin (Sn), % | 0.2 to 0.5 | |
| 0 |
| Tungsten (W), % | 0 | |
| 4.0 to 6.0 |
| Zinc (Zn), % | 0 to 0.2 | |
| 0 |
| Residuals, % | 0 to 0.2 | |
| 0 |