C87400 Brass vs. C65400 Bronze
Both C87400 brass and C65400 bronze are copper alloys. They have 86% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C87400 brass and the bottom bar is C65400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 21 | |
| 2.6 to 47 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Shear Modulus, GPa | 41 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 390 | |
| 500 to 1060 |
| Tensile Strength: Yield (Proof), MPa | 160 | |
| 170 to 910 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 260 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 200 |
| Melting Completion (Liquidus), °C | 920 | |
| 1020 |
| Melting Onset (Solidus), °C | 820 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 400 |
| Thermal Conductivity, W/m-K | 28 | |
| 36 |
| Thermal Expansion, µm/m-K | 18 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 6.7 | |
| 7.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.2 | |
| 7.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 27 | |
| 31 |
| Density, g/cm3 | 8.3 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.8 |
| Embodied Energy, MJ/kg | 44 | |
| 45 |
| Embodied Water, L/kg | 310 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 | |
| 10 to 480 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 120 | |
| 130 to 3640 |
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 13 | |
| 16 to 34 |
| Strength to Weight: Bending, points | 14 | |
| 16 to 27 |
| Thermal Diffusivity, mm2/s | 8.3 | |
| 10 |
| Thermal Shock Resistance, points | 14 | |
| 18 to 39 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.8 | |
| 0 |
| Chromium (Cr), % | 0 | |
| 0.010 to 0.12 |
| Copper (Cu), % | 79 to 85.5 | |
| 93.8 to 96.1 |
| Lead (Pb), % | 0 to 1.0 | |
| 0 to 0.050 |
| Silicon (Si), % | 2.5 to 4.0 | |
| 2.7 to 3.4 |
| Tin (Sn), % | 0 | |
| 1.2 to 1.9 |
| Zinc (Zn), % | 12 to 16 | |
| 0 to 0.5 |
| Residuals, % | 0 to 0.8 | |
| 0 to 0.2 |