ASTM B541 Gold vs. Nickel 625
ASTM B541 gold belongs to the otherwise unclassified metals classification, while nickel 625 belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is ASTM B541 gold and the bottom bar is nickel 625.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 200 |
| Elongation at Break, % | 6.0 to 14 | |
| 33 to 34 |
| Poisson's Ratio | 0.4 | |
| 0.29 |
| Shear Modulus, GPa | 38 | |
| 79 |
| Shear Strength, MPa | 410 to 690 | |
| 530 to 600 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 1180 | |
| 790 to 910 |
| Tensile Strength: Yield (Proof), MPa | 480 to 900 | |
| 320 to 450 |
Thermal Properties
| Latent Heat of Fusion, J/g | 90 | |
| 330 |
| Melting Completion (Liquidus), °C | 1110 | |
| 1350 |
| Melting Onset (Solidus), °C | 930 | |
| 1290 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 440 |
| Thermal Expansion, µm/m-K | 13 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 to 12 | |
| 1.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 to 6.2 | |
| 1.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.6 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 to 91 | |
| 220 to 250 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1090 to 3830 | |
| 260 to 490 |
| Stiffness to Weight: Axial, points | 3.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 9.0 | |
| 23 |
| Strength to Weight: Axial, points | 11 to 19 | |
| 26 to 29 |
| Strength to Weight: Bending, points | 9.8 to 14 | |
| 22 to 24 |
| Thermal Shock Resistance, points | 36 to 63 | |
| 22 to 25 |
Alloy Composition
| Aluminum (Al), % | 0 | |
| 0 to 0.4 |
| Carbon (C), % | 0 | |
| 0 to 0.1 |
| Chromium (Cr), % | 0 | |
| 20 to 23 |
| Cobalt (Co), % | 0 | |
| 0 to 1.0 |
| Copper (Cu), % | 13.5 to 15.5 | |
| 0 |
| Gold (Au), % | 70.5 to 72.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 5.0 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Molybdenum (Mo), % | 0 | |
| 8.0 to 10 |
| Nickel (Ni), % | 0 | |
| 58 to 68.9 |
| Niobium (Nb), % | 0 | |
| 3.2 to 4.2 |
| Phosphorus (P), % | 0 | |
| 0 to 0.015 |
| Platinum (Pt), % | 8.0 to 9.0 | |
| 0 |
| Silicon (Si), % | 0 | |
| 0 to 0.5 |
| Silver (Ag), % | 4.0 to 5.0 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0 to 0.4 |
| Zinc (Zn), % | 0.7 to 1.3 | |
| 0 |
| Residuals, % | 0 to 0.4 | |
| 0 |