Solder Alloy 131 vs. C99700 Brass
Solder alloy 131 belongs to the otherwise unclassified metals classification, while C99700 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.
For each property being compared, the top bar is solder alloy 131 and the bottom bar is C99700 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 38 | |
| 120 |
| Elongation at Break, % | 47 | |
| 25 |
| Poisson's Ratio | 0.39 | |
| 0.32 |
| Shear Modulus, GPa | 14 | |
| 46 |
| Tensile Strength: Ultimate (UTS), MPa | 31 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 46 | |
| 200 |
| Melting Completion (Liquidus), °C | 180 | |
| 900 |
| Melting Onset (Solidus), °C | 180 | |
| 880 |
| Specific Heat Capacity, J/kg-K | 190 | |
| 410 |
| Thermal Expansion, µm/m-K | 25 | |
| 20 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 3.0 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 3.3 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 11 | |
| 3.3 |
| Embodied Energy, MJ/kg | 180 | |
| 53 |
| Embodied Water, L/kg | 940 | |
| 320 |
Common Calculations
| Stiffness to Weight: Axial, points | 2.4 | |
| 8.3 |
| Stiffness to Weight: Bending, points | 13 | |
| 20 |
| Strength to Weight: Axial, points | 1.0 | |
| 13 |
| Strength to Weight: Bending, points | 2.5 | |
| 14 |
| Thermal Shock Resistance, points | 2.4 | |
| 11 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0.5 to 3.0 |
| Antimony (Sb), % | 0.2 to 0.5 | |
| 0 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.1 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0020 | |
| 0 |
| Copper (Cu), % | 0 to 0.080 | |
| 54 to 65.5 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 to 1.0 |
| Lead (Pb), % | 35.5 to 37.3 | |
| 0 to 2.0 |
| Manganese (Mn), % | 0 | |
| 11 to 15 |
| Nickel (Ni), % | 0 to 0.010 | |
| 4.0 to 6.0 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 62.5 to 63.5 | |
| 0 to 1.0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 19 to 25 |
| Residuals, % | 0 | |
| 0 to 0.3 |