C63800 Bronze vs. C69300 Brass
Both C63800 bronze and C69300 brass are copper alloys. They have 78% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is C63800 bronze and the bottom bar is C69300 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 7.9 to 41 | |
| 8.5 to 15 |
| Poisson's Ratio | 0.34 | |
| 0.32 |
| Rockwell B Hardness | 94 to 110 | |
| 84 to 88 |
| Shear Modulus, GPa | 43 | |
| 41 |
| Shear Strength, MPa | 320 to 500 | |
| 330 to 370 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1010 | |
| 550 to 630 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 240 |
| Maximum Temperature: Mechanical, °C | 200 | |
| 160 |
| Melting Completion (Liquidus), °C | 1030 | |
| 880 |
| Melting Onset (Solidus), °C | 1000 | |
| 860 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 400 |
| Thermal Conductivity, W/m-K | 40 | |
| 38 |
| Thermal Expansion, µm/m-K | 17 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 8.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 8.8 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 30 | |
| 26 |
| Density, g/cm3 | 8.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 2.7 |
| Embodied Energy, MJ/kg | 45 | |
| 45 |
| Embodied Water, L/kg | 330 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 7.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 19 |
| Strength to Weight: Axial, points | 15 to 33 | |
| 19 to 21 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 18 to 20 |
| Thermal Diffusivity, mm2/s | 11 | |
| 12 |
| Thermal Shock Resistance, points | 17 to 36 | |
| 19 to 22 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.1 | |
| 0 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 92.4 to 95.8 | |
| 73 to 77 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.090 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 to 0.1 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 to 0.1 |
| Phosphorus (P), % | 0 | |
| 0.040 to 0.15 |
| Silicon (Si), % | 1.5 to 2.1 | |
| 2.7 to 3.4 |
| Tin (Sn), % | 0 | |
| 0 to 0.2 |
| Zinc (Zn), % | 0 to 0.8 | |
| 18.4 to 24.3 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.5 |