Solder Alloy 191 vs. ASTM Grade LCC Steel
Solder alloy 191 belongs to the otherwise unclassified metals classification, while ASTM grade LCC steel belongs to the iron alloys. There are 22 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 solder alloy 191 and the bottom bar is ASTM grade LCC steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 19 | |
| 190 |
| Elongation at Break, % | 32 | |
| 25 |
| Poisson's Ratio | 0.43 | |
| 0.29 |
| Shear Modulus, GPa | 6.5 | |
| 72 |
| Tensile Strength: Ultimate (UTS), MPa | 29 | |
| 570 |
Thermal Properties
| Latent Heat of Fusion, J/g | 27 | |
| 250 |
| Melting Completion (Liquidus), °C | 300 | |
| 1450 |
| Melting Onset (Solidus), °C | 300 | |
| 1410 |
| Specific Heat Capacity, J/kg-K | 130 | |
| 470 |
| Thermal Conductivity, W/m-K | 24 | |
| 49 |
| Thermal Expansion, µm/m-K | 29 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 8.8 | |
| 7.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 7.2 | |
| 8.4 |
Otherwise Unclassified Properties
| Density, g/cm3 | 11 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 5.8 | |
| 1.4 |
| Embodied Energy, MJ/kg | 95 | |
| 18 |
Common Calculations
| Stiffness to Weight: Axial, points | 0.93 | |
| 13 |
| Stiffness to Weight: Bending, points | 8.0 | |
| 24 |
| Strength to Weight: Axial, points | 0.72 | |
| 20 |
| Strength to Weight: Bending, points | 1.9 | |
| 20 |
| Thermal Diffusivity, mm2/s | 16 | |
| 13 |
| Thermal Shock Resistance, points | 3.9 | |
| 17 |
Alloy Composition
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| 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 to 0.25 |
| 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 | |
| 96.9 to 100 |
| Lead (Pb), % | 92.4 to 94 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 1.2 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Phosphorus (P), % | 0 | |
| 0 to 0.040 |
| Silicon (Si), % | 0 | |
| 0 to 0.6 |
| Silver (Ag), % | 1.2 to 1.8 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.045 |
| Tin (Sn), % | 4.8 to 5.2 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 1.0 |