C34500 Brass vs. C51000 Bronze
Both C34500 brass and C51000 bronze 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 C34500 brass and the bottom bar is C51000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 110 |
| Elongation at Break, % | 12 to 28 | |
| 2.7 to 64 |
| Poisson's Ratio | 0.31 | |
| 0.34 |
| Shear Modulus, GPa | 40 | |
| 42 |
| Shear Strength, MPa | 220 to 260 | |
| 250 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 340 to 430 | |
| 330 to 780 |
| Tensile Strength: Yield (Proof), MPa | 120 to 180 | |
| 130 to 750 |
Thermal Properties
| Latent Heat of Fusion, J/g | 170 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 120 | |
| 190 |
| Melting Completion (Liquidus), °C | 910 | |
| 1050 |
| Melting Onset (Solidus), °C | 890 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 380 | |
| 380 |
| Thermal Conductivity, W/m-K | 120 | |
| 77 |
| Thermal Expansion, µm/m-K | 21 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 26 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 29 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 24 | |
| 33 |
| Density, g/cm3 | 8.2 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.1 |
| Embodied Energy, MJ/kg | 45 | |
| 50 |
| Embodied Water, L/kg | 320 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 42 to 75 | |
| 7.0 to 490 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 69 to 160 | |
| 75 to 2490 |
| Stiffness to Weight: Axial, points | 7.1 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 12 to 15 | |
| 10 to 25 |
| Strength to Weight: Bending, points | 13 to 16 | |
| 12 to 21 |
| Thermal Diffusivity, mm2/s | 37 | |
| 23 |
| Thermal Shock Resistance, points | 11 to 14 | |
| 12 to 28 |
Alloy Composition
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| Copper (Cu), % | 62 to 65 | |
| 92.9 to 95.5 |
| Iron (Fe), % | 0 to 0.15 | |
| 0 to 0.1 |
| Lead (Pb), % | 1.5 to 2.5 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 0 | |
| 4.5 to 5.8 |
| Zinc (Zn), % | 32 to 36.5 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |