ASTM B596 Au-Cu vs. AWS BAu-6
Both ASTM B596 Au-Cu and AWS BAu-6 are otherwise unclassified metals. They have 70% of their average alloy composition in common. There are 15 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.
For each property being compared, the top bar is ASTM B596 Au-Cu and the bottom bar is AWS BAu-6.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 120 |
| Poisson's Ratio | 0.41 | |
| 0.39 |
| Shear Modulus, GPa | 36 | |
| 43 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 620 | |
| 190 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 120 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1050 |
| Melting Onset (Solidus), °C | 930 | |
| 1010 |
| Specific Heat Capacity, J/kg-K | 150 | |
| 210 |
| Thermal Expansion, µm/m-K | 14 | |
| 13 |
Otherwise Unclassified Properties
| Density, g/cm3 | 18 | |
| 16 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.1 | |
| 4.0 |
| Stiffness to Weight: Bending, points | 8.5 | |
| 10 |
| Strength to Weight: Axial, points | 6.8 to 9.4 | |
| 3.2 |
| Strength to Weight: Bending, points | 7.1 to 8.8 | |
| 4.5 |
| Thermal Shock Resistance, points | 22 to 30 | |
| 8.5 |
Alloy Composition
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| Copper (Cu), % | 9.0 to 11 | |
| 0 |
| Gold (Au), % | 89 to 91 | |
| 69.5 to 70.5 |
| Nickel (Ni), % | 0 | |
| 21.5 to 22.5 |
| Palladium (Pd), % | 0 | |
| 7.5 to 8.5 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.15 |