C61000 Bronze vs. C67400 Bronze
Both C61000 bronze and C67400 bronze are copper alloys. They have 60% of their average alloy composition in common.
For each property being compared, the top bar is C61000 bronze and the bottom bar is C67400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 | 
| Elongation at Break, % | 29 to 50 | |
| 22 to 28 | 
| Poisson's Ratio | 0.34 | |
| 0.31 | 
| Rockwell B Hardness | 60 to 85 | |
| 78 to 85 | 
| Shear Modulus, GPa | 42 | |
| 41 | 
| Shear Strength, MPa | 280 to 300 | |
| 310 to 350 | 
| Tensile Strength: Ultimate (UTS), MPa | 390 to 460 | |
| 480 to 610 | 
| Tensile Strength: Yield (Proof), MPa | 150 to 190 | |
| 250 to 370 | 
Thermal Properties
| Latent Heat of Fusion, J/g | 220 | |
| 190 | 
| Maximum Temperature: Mechanical, °C | 210 | |
| 130 | 
| Melting Completion (Liquidus), °C | 1040 | |
| 890 | 
| Melting Onset (Solidus), °C | 990 | |
| 870 | 
| Specific Heat Capacity, J/kg-K | 420 | |
| 400 | 
| Thermal Conductivity, W/m-K | 69 | |
| 100 | 
| Thermal Expansion, µm/m-K | 18 | |
| 21 | 
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 15 | |
| 23 | 
| Electrical Conductivity: Equal Weight (Specific), % IACS | 16 | |
| 26 | 
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 23 | 
| Density, g/cm3 | 8.5 | |
| 7.9 | 
| Embodied Carbon, kg CO2/kg material | 3.0 | |
| 2.8 | 
| Embodied Energy, MJ/kg | 49 | |
| 48 | 
| Embodied Water, L/kg | 370 | |
| 330 | 
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 160 | |
| 110 to 120 | 
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 100 to 160 | |
| 300 to 660 | 
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.5 | 
| Stiffness to Weight: Bending, points | 19 | |
| 20 | 
| Strength to Weight: Axial, points | 13 to 15 | |
| 17 to 22 | 
| Strength to Weight: Bending, points | 14 to 16 | |
| 17 to 20 | 
| Thermal Diffusivity, mm2/s | 19 | |
| 32 | 
| Thermal Shock Resistance, points | 14 to 16 | |
| 16 to 20 | 
Alloy Composition
| Aluminum (Al), % | 6.0 to 8.5 | |
| 0.5 to 2.0 | 
| Copper (Cu), % | 90.2 to 94 | |
| 57 to 60 | 
| Iron (Fe), % | 0 to 0.5 | |
| 0 to 0.35 | 
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.5 | 
| Manganese (Mn), % | 0 | |
| 2.0 to 3.5 | 
| Nickel (Ni), % | 0 | |
| 0 to 0.25 | 
| Silicon (Si), % | 0 to 0.1 | |
| 0.5 to 1.5 | 
| Tin (Sn), % | 0 | |
| 0 to 0.3 | 
| Zinc (Zn), % | 0 to 0.2 | |
| 31.1 to 40 | 
| Residuals, % | 0 | |
| 0 to 0.5 |