C63800 Bronze vs. ASTM B541 Gold
C63800 bronze belongs to the copper alloys classification, while ASTM B541 gold belongs to the otherwise unclassified metals. There are 19 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is C63800 bronze and the bottom bar is ASTM B541 gold.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 110 |
| Elongation at Break, % | 7.9 to 41 | |
| 6.0 to 14 |
| Poisson's Ratio | 0.34 | |
| 0.4 |
| Shear Modulus, GPa | 43 | |
| 38 |
| Shear Strength, MPa | 320 to 500 | |
| 410 to 690 |
| Tensile Strength: Ultimate (UTS), MPa | 460 to 1010 | |
| 670 to 1180 |
Thermal Properties
| Latent Heat of Fusion, J/g | 240 | |
| 90 |
| Melting Completion (Liquidus), °C | 1030 | |
| 1110 |
| Melting Onset (Solidus), °C | 1000 | |
| 930 |
| Specific Heat Capacity, J/kg-K | 410 | |
| 170 |
| Thermal Expansion, µm/m-K | 17 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 10 | |
| 7.7 to 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 10 | |
| 4.0 to 6.2 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.6 | |
| 17 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.4 | |
| 3.4 |
| Stiffness to Weight: Bending, points | 19 | |
| 9.0 |
| Strength to Weight: Axial, points | 15 to 33 | |
| 11 to 19 |
| Strength to Weight: Bending, points | 15 to 26 | |
| 9.8 to 14 |
| Thermal Shock Resistance, points | 17 to 36 | |
| 36 to 63 |
Alloy Composition
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| Aluminum (Al), % | 2.5 to 3.1 | |
| 0 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 92.4 to 95.8 | |
| 13.5 to 15.5 |
| Gold (Au), % | 0 | |
| 70.5 to 72.5 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 |
| Manganese (Mn), % | 0 to 0.1 | |
| 0 |
| Nickel (Ni), % | 0 to 0.2 | |
| 0 |
| Platinum (Pt), % | 0 | |
| 8.0 to 9.0 |
| Silicon (Si), % | 1.5 to 2.1 | |
| 0 |
| Silver (Ag), % | 0 | |
| 4.0 to 5.0 |
| Zinc (Zn), % | 0 to 0.8 | |
| 0.7 to 1.3 |
| Residuals, % | 0 to 0.5 | |
| 0 to 0.4 |