C23000 Brass vs. C51000 Bronze
Both C23000 brass and C51000 bronze are copper alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is C23000 brass and the bottom bar is C51000 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 2.9 to 47 | |
| 2.7 to 64 |
| Poisson's Ratio | 0.33 | |
| 0.34 |
| Rockwell B Hardness | 48 to 87 | |
| 26 to 97 |
| Rockwell Superficial 30T Hardness | 51 to 77 | |
| 42 to 80 |
| Shear Modulus, GPa | 42 | |
| 42 |
| Shear Strength, MPa | 220 to 340 | |
| 250 to 460 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 590 | |
| 330 to 780 |
| Tensile Strength: Yield (Proof), MPa | 83 to 480 | |
| 130 to 750 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 170 | |
| 190 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1050 |
| Melting Onset (Solidus), °C | 990 | |
| 960 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 380 |
| Thermal Conductivity, W/m-K | 160 | |
| 77 |
| Thermal Expansion, µm/m-K | 19 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 37 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 39 | |
| 18 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 33 |
| Density, g/cm3 | 8.6 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 3.1 |
| Embodied Energy, MJ/kg | 43 | |
| 50 |
| Embodied Water, L/kg | 310 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 6.2 to 260 | |
| 7.0 to 490 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 31 to 1040 | |
| 75 to 2490 |
| Stiffness to Weight: Axial, points | 7.2 | |
| 7.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 8.9 to 19 | |
| 10 to 25 |
| Strength to Weight: Bending, points | 11 to 18 | |
| 12 to 21 |
| Thermal Diffusivity, mm2/s | 48 | |
| 23 |
| Thermal Shock Resistance, points | 9.4 to 20 | |
| 12 to 28 |
Alloy Composition
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| Copper (Cu), % | 84 to 86 | |
| 92.9 to 95.5 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.050 |
| Phosphorus (P), % | 0 | |
| 0.030 to 0.35 |
| Tin (Sn), % | 0 | |
| 4.5 to 5.8 |
| Zinc (Zn), % | 13.7 to 16 | |
| 0 to 0.3 |
| Residuals, % | 0 to 0.2 | |
| 0 to 0.5 |