ASTM B541 Gold vs. Solder Alloy 171
Both ASTM B541 gold and solder alloy 171 are otherwise unclassified metals. There are 18 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 solder alloy 171.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 38 |
| Elongation at Break, % | 6.0 to 14 | |
| 45 |
| Poisson's Ratio | 0.4 | |
| 0.39 |
| Shear Modulus, GPa | 38 | |
| 14 |
| Tensile Strength: Ultimate (UTS), MPa | 670 to 1180 | |
| 48 |
Thermal Properties
| Latent Heat of Fusion, J/g | 90 | |
| 47 |
| Melting Completion (Liquidus), °C | 1110 | |
| 180 |
| Melting Onset (Solidus), °C | 930 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 190 |
| Thermal Expansion, µm/m-K | 13 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.7 to 12 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.0 to 6.2 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.8 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.4 | |
| 2.4 |
| Stiffness to Weight: Bending, points | 9.0 | |
| 13 |
| Strength to Weight: Axial, points | 11 to 19 | |
| 1.5 |
| Strength to Weight: Bending, points | 9.8 to 14 | |
| 3.3 |
| Thermal Shock Resistance, points | 36 to 63 | |
| 3.7 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.2 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Copper (Cu), % | 13.5 to 15.5 | |
| 0 to 0.080 |
| Gold (Au), % | 70.5 to 72.5 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 34.7 to 36.7 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Platinum (Pt), % | 8.0 to 9.0 | |
| 0 |
| Silver (Ag), % | 4.0 to 5.0 | |
| 1.8 to 2.2 |
| Tin (Sn), % | 0 | |
| 61.5 to 62.5 |
| Zinc (Zn), % | 0.7 to 1.3 | |
| 0 to 0.0010 |
| Residuals, % | 0 to 0.4 | |
| 0 |