Solder Alloy 401 vs. ACI-ASTM CN7MS Steel
Solder alloy 401 belongs to the otherwise unclassified metals classification, while ACI-ASTM CN7MS steel belongs to the iron alloys. There are 22 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 solder alloy 401 and the bottom bar is ACI-ASTM CN7MS steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 9.0 | |
| 160 |
| Elastic (Young's, Tensile) Modulus, GPa | 50 | |
| 200 |
| Elongation at Break, % | 21 | |
| 39 |
| Poisson's Ratio | 0.36 | |
| 0.28 |
| Shear Modulus, GPa | 19 | |
| 77 |
| Tensile Strength: Ultimate (UTS), MPa | 29 | |
| 540 |
Thermal Properties
| Latent Heat of Fusion, J/g | 60 | |
| 340 |
| Melting Completion (Liquidus), °C | 230 | |
| 1400 |
| Melting Onset (Solidus), °C | 230 | |
| 1350 |
| Specific Heat Capacity, J/kg-K | 220 | |
| 480 |
| Thermal Conductivity, W/m-K | 66 | |
| 12 |
| Thermal Expansion, µm/m-K | 22 | |
| 16 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.3 | |
| 7.9 |
| Embodied Carbon, kg CO2/kg material | 15 | |
| 5.1 |
| Embodied Energy, MJ/kg | 250 | |
| 71 |
| Embodied Water, L/kg | 1200 | |
| 180 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.8 | |
| 14 |
| Stiffness to Weight: Bending, points | 17 | |
| 25 |
| Strength to Weight: Axial, points | 1.1 | |
| 19 |
| Strength to Weight: Bending, points | 2.9 | |
| 19 |
| Thermal Diffusivity, mm2/s | 40 | |
| 3.2 |
| Thermal Shock Resistance, points | 1.9 | |
| 13 |
Alloy Composition
| Aluminum (Al), % | 0 to 0.0010 | |
| 0 |
| Antimony (Sb), % | 0 to 0.1 | |
| 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 to 0.070 |
| Chromium (Cr), % | 0 | |
| 18 to 20 |
| Copper (Cu), % | 0.5 to 0.9 | |
| 1.5 to 2.0 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 45.4 to 53.5 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.0 |
| Molybdenum (Mo), % | 0 | |
| 2.5 to 3.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 22 to 25 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 2.5 to 3.5 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.030 |
| Tin (Sn), % | 98.5 to 99.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |