Solder Alloy 703 vs. EN 1.7108 Steel
Solder alloy 703 belongs to the otherwise unclassified metals classification, while EN 1.7108 steel belongs to the iron alloys. There are 22 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 703 and the bottom bar is EN 1.7108 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 15 | |
| 200 to 510 |
| Elastic (Young's, Tensile) Modulus, GPa | 51 | |
| 190 |
| Poisson's Ratio | 0.36 | |
| 0.29 |
| Shear Modulus, GPa | 19 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 57 | |
| 670 to 2070 |
Thermal Properties
| Latent Heat of Fusion, J/g | 61 | |
| 280 |
| Melting Completion (Liquidus), °C | 220 | |
| 1430 |
| Melting Onset (Solidus), °C | 220 | |
| 1390 |
| Specific Heat Capacity, J/kg-K | 220 | |
| 480 |
| Thermal Conductivity, W/m-K | 55 | |
| 46 |
| Thermal Expansion, µm/m-K | 22 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 14 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 17 | |
| 8.7 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.4 | |
| 7.7 |
| Embodied Carbon, kg CO2/kg material | 18 | |
| 1.5 |
| Embodied Energy, MJ/kg | 300 | |
| 20 |
Common Calculations
| Stiffness to Weight: Axial, points | 3.8 | |
| 13 |
| Stiffness to Weight: Bending, points | 17 | |
| 25 |
| Strength to Weight: Axial, points | 2.1 | |
| 24 to 75 |
| Strength to Weight: Bending, points | 4.4 | |
| 22 to 47 |
| Thermal Diffusivity, mm2/s | 33 | |
| 12 |
| Thermal Shock Resistance, points | 3.7 | |
| 20 to 63 |
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 | |
| 0.57 to 0.65 |
| Chromium (Cr), % | 0 | |
| 0.2 to 0.45 |
| Copper (Cu), % | 0 to 0.050 | |
| 0 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 95.9 to 96.9 |
| Lead (Pb), % | 0 to 0.070 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0.7 to 1.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 | |
| 1.6 to 2.0 |
| Silver (Ag), % | 3.3 to 3.7 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.025 |
| Tin (Sn), % | 95.8 to 96.7 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |