C67600 Bronze vs. C34500 Brass
Both C67600 bronze and C34500 brass are copper alloys. They have a moderately high 94% of their average alloy composition in common.
For each property being compared, the top bar is C67600 bronze and the bottom bar is C34500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 100 |
| Elongation at Break, % | 13 to 33 | |
| 12 to 28 |
| Poisson's Ratio | 0.31 | |
| 0.31 |
| Shear Modulus, GPa | 40 | |
| 40 |
| Shear Strength, MPa | 270 to 350 | |
| 220 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 430 to 570 | |
| 340 to 430 |
| Tensile Strength: Yield (Proof), MPa | 170 to 380 | |
| 120 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 120 |
| Melting Completion (Liquidus), °C | 890 | |
| 910 |
| Melting Onset (Solidus), °C | 870 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 |
| Thermal Conductivity, W/m-K | 110 | |
| 120 |
| Thermal Expansion, µm/m-K | 21 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 24 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 27 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 23 | |
| 24 |
| Density, g/cm3 | 8.0 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 47 | |
| 45 |
| Embodied Water, L/kg | 330 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 63 to 130 | |
| 42 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 140 to 680 | |
| 69 to 160 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 20 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 20 | |
| 12 to 15 |
| Strength to Weight: Bending, points | 16 to 19 | |
| 13 to 16 |
| Thermal Diffusivity, mm2/s | 35 | |
| 37 |
| Thermal Shock Resistance, points | 14 to 19 | |
| 11 to 14 |
Alloy Composition
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| Copper (Cu), % | 57 to 60 | |
| 62 to 65 |
| Iron (Fe), % | 0.4 to 1.3 | |
| 0 to 0.15 |
| Lead (Pb), % | 0.5 to 1.0 | |
| 1.5 to 2.5 |
| Manganese (Mn), % | 0.050 to 0.5 | |
| 0 |
| Tin (Sn), % | 0.5 to 1.5 | |
| 0 |
| Zinc (Zn), % | 35.2 to 41.6 | |
| 32 to 36.5 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |