ASTM B596 Au-Cu vs. Nickel 686
ASTM B596 Au-Cu belongs to the otherwise unclassified metals classification, while nickel 686 belongs to the nickel alloys. There are 19 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.
For each property being compared, the top bar is ASTM B596 Au-Cu and the bottom bar is nickel 686.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 220 |
| Elongation at Break, % | 4.3 to 17 | |
| 51 |
| Poisson's Ratio | 0.41 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 77 |
| Shear Strength, MPa | 280 to 360 | |
| 560 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 620 | |
| 780 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 320 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1380 |
| Melting Onset (Solidus), °C | 930 | |
| 1340 |
| Specific Heat Capacity, J/kg-K | 150 | |
| 420 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 14 | |
| 1.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 6.7 | |
| 1.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 18 | |
| 9.0 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.1 | |
| 14 |
| Stiffness to Weight: Bending, points | 8.5 | |
| 22 |
| Strength to Weight: Axial, points | 6.8 to 9.4 | |
| 24 |
| Strength to Weight: Bending, points | 7.1 to 8.8 | |
| 21 |
| Thermal Shock Resistance, points | 22 to 30 | |
| 21 |
Alloy Composition
| Carbon (C), % | 0 | |
| 0 to 0.010 |
| Chromium (Cr), % | 0 | |
| 19 to 23 |
| Copper (Cu), % | 9.0 to 11 | |
| 0 |
| Gold (Au), % | 89 to 91 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.75 |
| Molybdenum (Mo), % | 0 | |
| 15 to 17 |
| Nickel (Ni), % | 0 | |
| 49.5 to 63 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.080 |
| Sulfur (S), % | 0 | |
| 0 to 0.020 |
| Titanium (Ti), % | 0 | |
| 0.020 to 0.25 |
| Tungsten (W), % | 0 | |
| 3.0 to 4.4 |
| Residuals, % | 0 to 0.4 | |
| 0 |