Solder Alloy 101 vs. SAE-AISI 4621 Steel
Solder alloy 101 belongs to the otherwise unclassified metals classification, while SAE-AISI 4621 steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is solder alloy 101 and the bottom bar is SAE-AISI 4621 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 14 | |
| 150 |
| Elastic (Young's, Tensile) Modulus, GPa | 38 | |
| 190 |
| Elongation at Break, % | 48 | |
| 27 |
| Poisson's Ratio | 0.39 | |
| 0.29 |
| Shear Modulus, GPa | 14 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 31 | |
| 500 |
| Tensile Strength: Yield (Proof), MPa | 27 | |
| 360 |
Thermal Properties
| Latent Heat of Fusion, J/g | 46 | |
| 250 |
| Melting Completion (Liquidus), °C | 180 | |
| 1460 |
| Melting Onset (Solidus), °C | 180 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 190 | |
| 470 |
| Thermal Conductivity, W/m-K | 51 | |
| 46 |
| Thermal Expansion, µm/m-K | 25 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 12 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 8.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 11 | |
| 1.6 |
| Embodied Energy, MJ/kg | 180 | |
| 22 |
| Embodied Water, L/kg | 930 | |
| 50 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 14 | |
| 120 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 9.9 | |
| 340 |
| Stiffness to Weight: Axial, points | 2.4 | |
| 13 |
| Stiffness to Weight: Bending, points | 13 | |
| 24 |
| Strength to Weight: Axial, points | 1.0 | |
| 18 |
| Strength to Weight: Bending, points | 2.5 | |
| 18 |
| Thermal Diffusivity, mm2/s | 31 | |
| 12 |
| Thermal Shock Resistance, points | 2.4 | |
| 15 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.0010 | |
| 0 |
| Antimony (Sb), % | 0 to 0.2 | |
| 0 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.1 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Carbon (C), % | 0 | |
| 0.18 to 0.23 |
| Copper (Cu), % | 0 to 0.080 | |
| 0 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 96.1 to 97.1 |
| Lead (Pb), % | 35.8 to 37.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.7 to 0.9 |
| Molybdenum (Mo), % | 0 | |
| 0.2 to 0.3 |
| Nickel (Ni), % | 0 to 0.010 | |
| 1.7 to 2.0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.035 |
| Silicon (Si), % | 0 | |
| 0.15 to 0.35 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.040 |
| Tin (Sn), % | 62.5 to 63.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |