ASTM B541 Gold vs. ASTM B617 Coin Silver
Both ASTM B541 gold and ASTM B617 coin silver are otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is ASTM B541 gold and the bottom bar is ASTM B617 coin silver.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 75 |
| Elongation at Break, % | 6.0 to 14 | |
| 1.1 to 22 |
| Poisson's Ratio | 0.4 | |
| 0.37 |
| Shear Modulus, GPa | 38 | |
| 28 |
| Shear Strength, MPa | 410 to 690 | |
| 180 to 290 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 1180 | |
| 290 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 90 | |
| 120 |
| Melting Completion (Liquidus), °C | 1110 | |
| 870 |
| Melting Onset (Solidus), °C | 930 | |
| 780 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 250 |
| Thermal Expansion, µm/m-K | 13 | |
| 19 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 to 12 | |
| 83 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 to 6.2 | |
| 72 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 10 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.4 | |
| 4.1 |
| Stiffness to Weight: Bending, points | 9.0 | |
| 14 |
| Strength to Weight: Axial, points | 11 to 19 | |
| 7.7 to 14 |
| Strength to Weight: Bending, points | 9.8 to 14 | |
| 9.3 to 14 |
| Thermal Shock Resistance, points | 36 to 63 | |
| 14 to 25 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0050 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.050 |
| Copper (Cu), % | 13.5 to 15.5 | |
| 9.0 to 10.4 |
| Gold (Au), % | 70.5 to 72.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.050 |
| Lead (Pb), % | 0 | |
| 0 to 0.030 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Platinum (Pt), % | 8.0 to 9.0 | |
| 0 |
| Silver (Ag), % | 4.0 to 5.0 | |
| 89.6 to 91 |
| Zinc (Zn), % | 0.7 to 1.3 | |
| 0 to 0.060 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.060 |