C67400 Bronze vs. C68000 Brass
Both C67400 bronze and C68000 brass are copper alloys. They have a moderately high 95% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is C67400 bronze and the bottom bar is C68000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 22 to 28 | |
| 27 |
| Poisson's Ratio | 0.31 | |
| 0.3 |
| Shear Modulus, GPa | 41 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 480 to 610 | |
| 390 |
| Tensile Strength: Yield (Proof), MPa | 250 to 370 | |
| 140 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 130 | |
| 120 |
| Melting Completion (Liquidus), °C | 890 | |
| 880 |
| Melting Onset (Solidus), °C | 870 | |
| 870 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 100 | |
| 96 |
| Thermal Expansion, µm/m-K | 21 | |
| 21 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 23 |
| Density, g/cm3 | 7.9 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.8 |
| Embodied Energy, MJ/kg | 48 | |
| 48 |
| Embodied Water, L/kg | 330 | |
| 330 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 120 | |
| 82 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 to 660 | |
| 95 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 20 | |
| 20 |
| Strength to Weight: Axial, points | 17 to 22 | |
| 14 |
| Strength to Weight: Bending, points | 17 to 20 | |
| 15 |
| Thermal Diffusivity, mm2/s | 32 | |
| 31 |
| Thermal Shock Resistance, points | 16 to 20 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0.5 to 2.0 | |
| 0 to 0.010 |
| Copper (Cu), % | 57 to 60 | |
| 56 to 60 |
| Iron (Fe), % | 0 to 0.35 | |
| 0.25 to 1.3 |
| Lead (Pb), % | 0 to 0.5 | |
| 0 to 0.050 |
| Manganese (Mn), % | 2.0 to 3.5 | |
| 0.010 to 0.5 |
| Nickel (Ni), % | 0 to 0.25 | |
| 0.2 to 0.8 |
| Silicon (Si), % | 0.5 to 1.5 | |
| 0.040 to 0.15 |
| Tin (Sn), % | 0 to 0.3 | |
| 0.75 to 1.1 |
| Zinc (Zn), % | 31.1 to 40 | |
| 35.6 to 42.8 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |