ASTM B541 Gold vs. C54400 Bronze
ASTM B541 gold belongs to the otherwise unclassified metals classification, while C54400 bronze belongs to the copper alloys. There are 17 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.
For each property being compared, the top bar is ASTM B541 gold and the bottom bar is C54400 bronze.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Poisson's Ratio | 0.4 | |
| 0.34 |
| Shear Modulus, GPa | 38 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 1180 | |
| 330 to 720 |
Thermal Properties
| Latent Heat of Fusion, J/g | 90 | |
| 190 |
| Melting Completion (Liquidus), °C | 1110 | |
| 1000 |
| Melting Onset (Solidus), °C | 930 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 370 |
| Thermal Expansion, µm/m-K | 13 | |
| 18 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 to 12 | |
| 19 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 to 6.2 | |
| 19 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.9 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.4 | |
| 6.8 |
| Stiffness to Weight: Bending, points | 9.0 | |
| 18 |
| Strength to Weight: Axial, points | 11 to 19 | |
| 10 to 22 |
| Strength to Weight: Bending, points | 9.8 to 14 | |
| 12 to 20 |
| Thermal Shock Resistance, points | 36 to 63 | |
| 12 to 26 |
Alloy Composition
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| Copper (Cu), % | 13.5 to 15.5 | |
| 85.4 to 91.5 |
| Gold (Au), % | 70.5 to 72.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.1 |
| Lead (Pb), % | 0 | |
| 3.5 to 4.5 |
| Phosphorus (P), % | 0 | |
| 0.010 to 0.5 |
| Platinum (Pt), % | 8.0 to 9.0 | |
| 0 |
| Silver (Ag), % | 4.0 to 5.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 3.5 to 4.5 |
| Zinc (Zn), % | 0.7 to 1.3 | |
| 1.5 to 4.5 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |