ASTM B541 Gold vs. C82400 Copper
ASTM B541 gold belongs to the otherwise unclassified metals classification, while C82400 copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is ASTM B541 gold and the bottom bar is C82400 copper.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 120 |
| Elongation at Break, % | 6.0 to 14 | |
| 1.0 to 20 |
| Poisson's Ratio | 0.4 | |
| 0.33 |
| Shear Modulus, GPa | 38 | |
| 45 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 1180 | |
| 500 to 1030 |
| Tensile Strength: Yield (Proof), MPa | 480 to 900 | |
| 260 to 970 |
Thermal Properties
| Latent Heat of Fusion, J/g | 90 | |
| 230 |
| Melting Completion (Liquidus), °C | 1110 | |
| 1000 |
| Melting Onset (Solidus), °C | 930 | |
| 900 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 380 |
| Thermal Expansion, µm/m-K | 13 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 to 12 | |
| 25 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 to 6.2 | |
| 26 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.8 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 65 to 91 | |
| 10 to 83 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 1090 to 3830 | |
| 270 to 3870 |
| Stiffness to Weight: Axial, points | 3.4 | |
| 7.6 |
| Stiffness to Weight: Bending, points | 9.0 | |
| 19 |
| Strength to Weight: Axial, points | 11 to 19 | |
| 16 to 33 |
| Strength to Weight: Bending, points | 9.8 to 14 | |
| 16 to 26 |
| Thermal Shock Resistance, points | 36 to 63 | |
| 17 to 36 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.15 |
| Beryllium (Be), % | 0 | |
| 1.6 to 1.9 |
| Chromium (Cr), % | 0 | |
| 0 to 0.1 |
| Cobalt (Co), % | 0 | |
| 0.2 to 0.65 |
| Copper (Cu), % | 13.5 to 15.5 | |
| 96 to 98.2 |
| Gold (Au), % | 70.5 to 72.5 | |
| 0 |
| Iron (Fe), % | 0 | |
| 0 to 0.2 |
| Lead (Pb), % | 0 | |
| 0 to 0.020 |
| Nickel (Ni), % | 0 | |
| 0 to 0.2 |
| Platinum (Pt), % | 8.0 to 9.0 | |
| 0 |
| Silver (Ag), % | 4.0 to 5.0 | |
| 0 |
| Tin (Sn), % | 0 | |
| 0 to 0.1 |
| Titanium (Ti), % | 0 | |
| 0 to 0.12 |
| Zinc (Zn), % | 0.7 to 1.3 | |
| 0 to 0.1 |
| Residuals, % | 0 to 0.4 | |
| 0 to 0.5 |