Solder Alloy 103 vs. AWS ENiCu-7
Solder alloy 103 belongs to the otherwise unclassified metals classification, while AWS ENiCu-7 belongs to the nickel alloys. There are 23 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is solder alloy 103 and the bottom bar is AWS ENiCu-7.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 37 | |
| 160 |
| Elongation at Break, % | 47 | |
| 34 |
| Poisson's Ratio | 0.39 | |
| 0.32 |
| Shear Modulus, GPa | 13 | |
| 62 |
| Tensile Strength: Ultimate (UTS), MPa | 52 | |
| 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 45 | |
| 280 |
| Melting Completion (Liquidus), °C | 190 | |
| 1270 |
| Melting Onset (Solidus), °C | 180 | |
| 1230 |
| Specific Heat Capacity, J/kg-K | 180 | |
| 430 |
| Thermal Conductivity, W/m-K | 50 | |
| 21 |
| Thermal Expansion, µm/m-K | 24 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 3.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 3.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.9 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 10 | |
| 8.0 |
| Embodied Energy, MJ/kg | 180 | |
| 110 |
| Embodied Water, L/kg | 910 | |
| 250 |
Common Calculations
| Stiffness to Weight: Axial, points | 2.3 | |
| 10 |
| Stiffness to Weight: Bending, points | 12 | |
| 21 |
| Strength to Weight: Axial, points | 1.6 | |
| 17 |
| Strength to Weight: Bending, points | 3.5 | |
| 17 |
| Thermal Diffusivity, mm2/s | 30 | |
| 5.5 |
| Thermal Shock Resistance, points | 4.3 | |
| 18 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0 to 0.75 |
| 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 0.1 |
| Copper (Cu), % | 0 to 0.080 | |
| 20.6 to 38 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 to 2.5 |
| Lead (Pb), % | 38.8 to 40.5 | |
| 0 |
| Manganese (Mn), % | 0 | |
| 0 to 4.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 62 to 69 |
| Phosphorus (P), % | 0 | |
| 0 to 0.020 |
| Silicon (Si), % | 0 | |
| 0 to 1.5 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Sulfur (S), % | 0 | |
| 0 to 0.015 |
| Tin (Sn), % | 59.5 to 60.5 | |
| 0 |
| Titanium (Ti), % | 0 | |
| 0 to 1.0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0 |
| Residuals, % | 0 | |
| 0 to 0.5 |