Solder Alloy 123 vs. ASTM A588 Steel
Solder alloy 123 belongs to the otherwise unclassified metals classification, while ASTM A588 steel belongs to the iron alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is solder alloy 123 and the bottom bar is ASTM A588 steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 8.0 | |
| 170 |
| Elastic (Young's, Tensile) Modulus, GPa | 18 | |
| 190 |
| Elongation at Break, % | 45 | |
| 22 |
| Poisson's Ratio | 0.44 | |
| 0.29 |
| Shear Modulus, GPa | 6.2 | |
| 73 |
| Tensile Strength: Ultimate (UTS), MPa | 28 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 26 | |
| 250 to 260 |
| Melting Completion (Liquidus), °C | 310 | |
| 1460 |
| Melting Onset (Solidus), °C | 300 | |
| 1410 to 1420 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 470 |
| Thermal Conductivity, W/m-K | 23 | |
| 43 to 44 |
| Thermal Expansion, µm/m-K | 29 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.8 | |
| 7.4 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.1 | |
| 8.5 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 75 | |
| 2.3 to 2.5 |
| Density, g/cm3 | 11 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 4.5 | |
| 1.5 to 1.6 |
| Embodied Energy, MJ/kg | 74 | |
| 20 to 22 |
| Embodied Water, L/kg | 500 | |
| 50 to 51 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.9 | |
| 13 |
| Stiffness to Weight: Bending, points | 7.8 | |
| 24 |
| Strength to Weight: Axial, points | 0.69 | |
| 20 |
| Strength to Weight: Bending, points | 1.8 | |
| 19 |
| Thermal Diffusivity, mm2/s | 16 | |
| 12 |
| Thermal Shock Resistance, points | 3.8 | |
| 16 |