C65400 Bronze vs. C34500 Brass
Both C65400 bronze and C34500 brass are copper alloys. They have 64% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is C65400 bronze and the bottom bar is C34500 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 100 |
| Elongation at Break, % | 2.6 to 47 | |
| 12 to 28 |
| Poisson's Ratio | 0.34 | |
| 0.31 |
| Shear Modulus, GPa | 43 | |
| 40 |
| Shear Strength, MPa | 350 to 530 | |
| 220 to 260 |
| Tensile Strength: Ultimate (UTS), MPa | 500 to 1060 | |
| 340 to 430 |
| Tensile Strength: Yield (Proof), MPa | 170 to 910 | |
| 120 to 180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 170 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 120 |
| Melting Completion (Liquidus), °C | 1020 | |
| 910 |
| Melting Onset (Solidus), °C | 960 | |
| 890 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 380 |
| Thermal Conductivity, W/m-K | 36 | |
| 120 |
| Thermal Expansion, µm/m-K | 17 | |
| 21 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 26 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 29 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 31 | |
| 24 |
| Density, g/cm3 | 8.7 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.6 |
| Embodied Energy, MJ/kg | 45 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 320 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 10 to 480 | |
| 42 to 75 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 130 to 3640 | |
| 69 to 160 |
| Stiffness to Weight: Axial, points | 7.3 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 16 to 34 | |
| 12 to 15 |
| Strength to Weight: Bending, points | 16 to 27 | |
| 13 to 16 |
| Thermal Diffusivity, mm2/s | 10 | |
| 37 |
| Thermal Shock Resistance, points | 18 to 39 | |
| 11 to 14 |
Alloy Composition
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| Chromium (Cr), % | 0.010 to 0.12 | |
| 0 |
| Copper (Cu), % | 93.8 to 96.1 | |
| 62 to 65 |
| Iron (Fe), % | 0 | |
| 0 to 0.15 |
| Lead (Pb), % | 0 to 0.050 | |
| 1.5 to 2.5 |
| Silicon (Si), % | 2.7 to 3.4 | |
| 0 |
| Tin (Sn), % | 1.2 to 1.9 | |
| 0 |
| Zinc (Zn), % | 0 to 0.5 | |
| 32 to 36.5 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.4 |