AWS BVAg-31 vs. C68700 Brass
AWS BVAg-31 belongs to the otherwise unclassified metals classification, while C68700 brass belongs to the copper alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 15 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.
For each property being compared, the top bar is AWS BVAg-31 and the bottom bar is C68700 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 90 | |
| 110 |
| Poisson's Ratio | 0.36 | |
| 0.32 |
| Shear Modulus, GPa | 33 | |
| 41 |
| Tensile Strength: Ultimate (UTS), MPa | 180 | |
| 390 |
Thermal Properties
| Latent Heat of Fusion, J/g | 150 | |
| 190 |
| Melting Completion (Liquidus), °C | 850 | |
| 970 |
| Melting Onset (Solidus), °C | 820 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 280 | |
| 400 |
| Thermal Expansion, µm/m-K | 18 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 10 | |
| 8.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 4.9 | |
| 7.3 |
| Stiffness to Weight: Bending, points | 15 | |
| 19 |
| Strength to Weight: Axial, points | 4.9 | |
| 13 |
| Strength to Weight: Bending, points | 7.0 | |
| 14 |
| Thermal Shock Resistance, points | 7.8 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.8 to 2.5 |
| Arsenic (As), % | 0 | |
| 0.020 to 0.1 |
| Cadmium (Cd), % | 0 to 0.0010 | |
| 0 |
| Carbon (C), % | 0 to 0.0050 | |
| 0 |
| Copper (Cu), % | 31 to 33 | |
| 76 to 79 |
| Iron (Fe), % | 0 | |
| 0 to 0.060 |
| Lead (Pb), % | 0 to 0.0020 | |
| 0 to 0.070 |
| Palladium (Pd), % | 8.0 to 12 | |
| 0 |
| Phosphorus (P), % | 0 to 0.0020 | |
| 0 |
| Silver (Ag), % | 57 to 59 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 17.8 to 22.2 |
| Residuals, % | 0 | |
| 0 to 0.5 |