EN 1.6771 Steel vs. Solder Alloy 171
EN 1.6771 steel belongs to the iron alloys classification, while solder alloy 171 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.
For each property being compared, the top bar is EN 1.6771 steel and the bottom bar is solder alloy 171.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 280 to 350 | |
| 16 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 38 |
| Elongation at Break, % | 8.0 to 8.7 | |
| 45 |
| Poisson's Ratio | 0.29 | |
| 0.39 |
| Shear Modulus, GPa | 73 | |
| 14 |
| Tensile Strength: Ultimate (UTS), MPa | 930 to 1180 | |
| 48 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 47 |
| Melting Completion (Liquidus), °C | 1460 | |
| 180 |
| Melting Onset (Solidus), °C | 1420 | |
| 180 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 190 |
| Thermal Conductivity, W/m-K | 46 | |
| 50 |
| Thermal Expansion, µm/m-K | 13 | |
| 24 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.0 | |
| 12 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 9.2 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.9 | |
| 8.8 |
| Embodied Carbon, kg CO2/kg material | 1.9 | |
| 13 |
| Embodied Energy, MJ/kg | 25 | |
| 210 |
Common Calculations
| Stiffness to Weight: Axial, points | 13 | |
| 2.4 |
| Stiffness to Weight: Bending, points | 24 | |
| 13 |
| Strength to Weight: Axial, points | 33 to 41 | |
| 1.5 |
| Strength to Weight: Bending, points | 27 to 31 | |
| 3.3 |
| Thermal Diffusivity, mm2/s | 13 | |
| 30 |
| Thermal Shock Resistance, points | 27 to 35 | |
| 3.7 |
Alloy Composition
| 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 |
| Carbon (C), % | 0.27 to 0.33 | |
| 0 |
| Chromium (Cr), % | 0.8 to 1.2 | |
| 0 |
| Copper (Cu), % | 0 | |
| 0 to 0.080 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 92.2 to 95 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 | |
| 34.7 to 36.7 |
| Manganese (Mn), % | 0.6 to 1.0 | |
| 0 |
| Molybdenum (Mo), % | 0.3 to 0.6 | |
| 0 |
| Nickel (Ni), % | 3.0 to 4.0 | |
| 0 to 0.010 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 |
| Silicon (Si), % | 0 to 0.6 | |
| 0 |
| Silver (Ag), % | 0 | |
| 1.8 to 2.2 |
| Sulfur (S), % | 0 to 0.020 | |
| 0 |
| Tin (Sn), % | 0 | |
| 61.5 to 62.5 |
| Zinc (Zn), % | 0 | |
| 0 to 0.0010 |