AWS BAg-9 vs. C31400 Bronze
AWS BAg-9 belongs to the otherwise unclassified metals classification, while C31400 bronze belongs to the copper alloys. They have a modest 29% of their average alloy composition in common, which, by itself, doesn't mean much. There are 16 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.
For each property being compared, the top bar is AWS BAg-9 and the bottom bar is C31400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 82 | |
| 110 |
| Poisson's Ratio | 0.35 | |
| 0.33 |
| Shear Modulus, GPa | 31 | |
| 42 |
| Tensile Strength: Ultimate (UTS), MPa | 140 | |
| 270 to 420 |
Thermal Properties
| Latent Heat of Fusion, J/g | 130 | |
| 200 |
| Melting Completion (Liquidus), °C | 720 | |
| 1040 |
| Melting Onset (Solidus), °C | 670 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 290 | |
| 380 |
| Thermal Expansion, µm/m-K | 20 | |
| 18 |
Otherwise Unclassified Properties
| Density, g/cm3 | 9.6 | |
| 8.8 |
| Embodied Energy, MJ/kg | 980 | |
| 42 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.8 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 15 | |
| 18 |
| Strength to Weight: Axial, points | 4.1 | |
| 8.7 to 13 |
| Strength to Weight: Bending, points | 6.3 | |
| 11 to 14 |
| Thermal Shock Resistance, points | 6.0 | |
| 9.6 to 15 |
Alloy Composition
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| Copper (Cu), % | 19 to 21 | |
| 87.5 to 90.5 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 1.3 to 2.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.7 |
| Silver (Ag), % | 64 to 66 | |
| 0 |
| Zinc (Zn), % | 13 to 17 | |
| 5.8 to 11.2 |
| Residuals, % | 0 to 0.15 | |
| 0 to 0.4 |