C61900 Bronze vs. C68800 Brass
Both C61900 bronze and C68800 brass are copper alloys. They have 77% 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 C61900 bronze and the bottom bar is C68800 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 21 to 32 | |
| 2.0 to 36 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Shear Strength, MPa | 370 to 410 | |
| 380 to 510 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 650 | |
| 570 to 890 |
| Tensile Strength: Yield (Proof), MPa | 230 to 310 | |
| 390 to 790 |
Thermal Properties
| Latent Heat of Fusion, J/g | 230 | |
| 190 |
| Maximum Temperature: Mechanical, °C | 220 | |
| 160 |
| Melting Completion (Liquidus), °C | 1050 | |
| 960 |
| Melting Onset (Solidus), °C | 1040 | |
| 950 |
| Specific Heat Capacity, J/kg-K | 440 | |
| 400 |
| Thermal Conductivity, W/m-K | 79 | |
| 40 |
| Thermal Expansion, µm/m-K | 18 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 18 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 28 | |
| 26 |
| Density, g/cm3 | 8.3 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 3.1 | |
| 2.8 |
| Embodied Energy, MJ/kg | 51 | |
| 48 |
| Embodied Water, L/kg | 380 | |
| 350 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 to 150 | |
| 16 to 180 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 230 to 430 | |
| 710 to 2860 |
| Stiffness to Weight: Axial, points | 7.6 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 19 to 22 | |
| 19 to 30 |
| Strength to Weight: Bending, points | 18 to 20 | |
| 19 to 25 |
| Thermal Diffusivity, mm2/s | 22 | |
| 12 |
| Thermal Shock Resistance, points | 20 to 23 | |
| 19 to 30 |
Alloy Composition
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| Aluminum (Al), % | 8.5 to 10 | |
| 3.0 to 3.8 |
| Cobalt (Co), % | 0 | |
| 0.25 to 0.55 |
| Copper (Cu), % | 83.6 to 88.5 | |
| 70.8 to 75.5 |
| Iron (Fe), % | 3.0 to 4.5 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 to 0.020 | |
| 0 to 0.050 |
| Tin (Sn), % | 0 to 0.6 | |
| 0 |
| Zinc (Zn), % | 0 to 0.8 | |
| 21.3 to 24.1 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |