ASTM B596 Au-Cu vs. EN 2.4878 Nickel
ASTM B596 Au-Cu belongs to the otherwise unclassified metals classification, while EN 2.4878 nickel belongs to the nickel alloys. There are 17 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.
For each property being compared, the top bar is ASTM B596 Au-Cu and the bottom bar is EN 2.4878 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 100 | |
| 200 |
| Elongation at Break, % | 4.3 to 17 | |
| 13 to 17 |
| Poisson's Ratio | 0.41 | |
| 0.29 |
| Shear Modulus, GPa | 36 | |
| 78 |
| Shear Strength, MPa | 280 to 360 | |
| 750 to 760 |
| Tensile Strength: Ultimate (UTS), MPa | 450 to 620 | |
| 1210 to 1250 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 330 |
| Melting Completion (Liquidus), °C | 1060 | |
| 1370 |
| Melting Onset (Solidus), °C | 930 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 150 | |
| 460 |
| Thermal Expansion, µm/m-K | 14 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 18 | |
| 8.3 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.1 | |
| 13 |
| Stiffness to Weight: Bending, points | 8.5 | |
| 24 |
| Strength to Weight: Axial, points | 6.8 to 9.4 | |
| 41 to 42 |
| Strength to Weight: Bending, points | 7.1 to 8.8 | |
| 31 |
| Thermal Shock Resistance, points | 22 to 30 | |
| 37 to 39 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 1.2 to 1.6 |
| Boron (B), % | 0 | |
| 0.010 to 0.015 |
| Carbon (C), % | 0 | |
| 0.030 to 0.070 |
| Chromium (Cr), % | 0 | |
| 23 to 25 |
| Cobalt (Co), % | 0 | |
| 19 to 21 |
| Copper (Cu), % | 9.0 to 11 | |
| 0 to 0.2 |
| Gold (Au), % | 89 to 91 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 1.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 | |
| 43.6 to 52.2 |
| Niobium (Nb), % | 0 | |
| 0.7 to 1.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.010 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 | |
| 0 to 0.0070 |
| Tantalum (Ta), % | 0 | |
| 0 to 0.050 |
| Titanium (Ti), % | 0 | |
| 2.8 to 3.2 |
| Zirconium (Zr), % | 0 | |
| 0.030 to 0.070 |
| Residuals, % | 0 to 0.4 | |
| 0 |