ASTM B522 Class II vs. Solder Alloy 301
Both ASTM B522 class II and solder alloy 301 are otherwise unclassified metals. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is ASTM B522 class II and the bottom bar is solder alloy 301.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 96 | |
| 40 |
| Elongation at Break, % | 1.1 to 28 | |
| 51 |
| Poisson's Ratio | 0.41 | |
| 0.34 |
| Shear Modulus, GPa | 34 | |
| 15 |
| Tensile Strength: Ultimate (UTS), MPa | 280 to 490 | |
| 55 |
| Tensile Strength: Yield (Proof), MPa | 120 to 210 | |
| 49 |
Thermal Properties
| Latent Heat of Fusion, J/g | 77 | |
| 55 |
| Melting Completion (Liquidus), °C | 1030 | |
| 140 |
| Melting Onset (Solidus), °C | 1030 | |
| 140 |
| Specific Heat Capacity, J/kg-K | 160 | |
| 160 |
| Thermal Expansion, µm/m-K | 15 | |
| 14 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 4.7 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 5.7 | |
| 4.9 |
Otherwise Unclassified Properties
| Density, g/cm3 | 17 | |
| 8.7 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 4.4 to 63 | |
| 27 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 75 to 230 | |
| 30 |
| Stiffness to Weight: Axial, points | 3.1 | |
| 2.5 |
| Stiffness to Weight: Bending, points | 8.9 | |
| 13 |
| Strength to Weight: Axial, points | 4.4 to 7.8 | |
| 1.8 |
| Strength to Weight: Bending, points | 5.5 to 8.0 | |
| 3.7 |
| Thermal Shock Resistance, points | 13 to 24 | |
| 7.2 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.1 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 56.5 to 59 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Copper (Cu), % | 0 | |
| 0 to 0.050 |
| Gold (Au), % | 68.5 to 69.5 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 0 to 0.070 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Platinum (Pt), % | 5.5 to 6.5 | |
| 0 |
| Silver (Ag), % | 24.5 to 25.5 | |
| 0 to 0.1 |
| Sulfur (S), % | 0 to 0.010 | |
| 0 |
| Tin (Sn), % | 0 | |
| 41 to 43 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |
| Residuals, % | 0 to 0.26 | |
| 0 |