C65500 Bronze vs. C21000 Brass
Both C65500 bronze and C21000 brass are copper alloys. They have a moderately high 95% of their average alloy composition in common. There are 30 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 C65500 bronze and the bottom bar is C21000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 120 | |
| 110 |
| Elongation at Break, % | 4.0 to 70 | |
| 2.9 to 50 |
| Poisson's Ratio | 0.34 | |
| 0.34 |
| Rockwell B Hardness | 62 to 97 | |
| 36 to 73 |
| Shear Modulus, GPa | 43 | |
| 43 |
| Shear Strength, MPa | 260 to 440 | |
| 180 to 280 |
| Tensile Strength: Ultimate (UTS), MPa | 360 to 760 | |
| 240 to 450 |
| Tensile Strength: Yield (Proof), MPa | 120 to 430 | |
| 69 to 440 |
Thermal Properties
| Latent Heat of Fusion, J/g | 260 | |
| 200 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 190 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1070 |
| Melting Onset (Solidus), °C | 970 | |
| 1050 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 390 |
| Thermal Conductivity, W/m-K | 36 | |
| 230 |
| Thermal Expansion, µm/m-K | 18 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.0 | |
| 56 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.3 | |
| 57 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 29 | |
| 30 |
| Density, g/cm3 | 8.6 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 2.7 | |
| 2.6 |
| Embodied Energy, MJ/kg | 42 | |
| 42 |
| Embodied Water, L/kg | 300 | |
| 310 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 11 to 450 | |
| 13 to 100 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 62 to 790 | |
| 21 to 830 |
| Stiffness to Weight: Axial, points | 7.5 | |
| 7.2 |
| Stiffness to Weight: Bending, points | 19 | |
| 18 |
| Strength to Weight: Axial, points | 12 to 24 | |
| 7.4 to 14 |
| Strength to Weight: Bending, points | 13 to 21 | |
| 9.6 to 15 |
| Thermal Diffusivity, mm2/s | 10 | |
| 69 |
| Thermal Shock Resistance, points | 12 to 26 | |
| 8.1 to 15 |
Alloy Composition
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| Copper (Cu), % | 91.5 to 96.7 | |
| 94 to 96 |
| Iron (Fe), % | 0 to 0.8 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.030 |
| Manganese (Mn), % | 0.5 to 1.3 | |
| 0 |
| Nickel (Ni), % | 0 to 0.6 | |
| 0 |
| Silicon (Si), % | 2.8 to 3.8 | |
| 0 |
| Zinc (Zn), % | 0 to 1.5 | |
| 3.7 to 6.0 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.2 |