Solder Alloy 131 vs. C99400 Brass
Solder alloy 131 belongs to the otherwise unclassified metals classification, while C99400 brass belongs to the copper alloys. There are 20 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 C99400 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 38 | |
| 120 |
| Poisson's Ratio | 0.39 | |
| 0.34 |
| Shear Modulus, GPa | 14 | |
| 44 |
| Tensile Strength: Ultimate (UTS), MPa | 31 | |
| 460 to 550 |
Thermal Properties
| Latent Heat of Fusion, J/g | 46 | |
| 230 |
| Melting Completion (Liquidus), °C | 180 | |
| 1070 |
| Melting Onset (Solidus), °C | 180 | |
| 1020 |
| Specific Heat Capacity, J/kg-K | 190 | |
| 400 |
| Thermal Expansion, µm/m-K | 25 | |
| 17 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 11 | |
| 17 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 12 | |
| 17 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.7 |
| Embodied Carbon, kg CO2/kg material | 11 | |
| 2.8 |
| Embodied Energy, MJ/kg | 180 | |
| 45 |
| Embodied Water, L/kg | 940 | |
| 310 |
Common Calculations
| Stiffness to Weight: Axial, points | 2.4 | |
| 7.5 |
| Stiffness to Weight: Bending, points | 13 | |
| 19 |
| Strength to Weight: Axial, points | 1.0 | |
| 15 to 17 |
| Strength to Weight: Bending, points | 2.5 | |
| 15 to 17 |
| Thermal Shock Resistance, points | 2.4 | |
| 16 to 19 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0.5 to 2.0 |
| 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 | |
| 83.5 to 96.5 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 1.0 to 3.0 |
| Lead (Pb), % | 35.5 to 37.3 | |
| 0 to 0.25 |
| Manganese (Mn), % | 0 | |
| 0 to 0.5 |
| Nickel (Ni), % | 0 to 0.010 | |
| 1.0 to 3.5 |
| Silicon (Si), % | 0 | |
| 0.5 to 2.0 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 62.5 to 63.5 | |
| 0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 0.5 to 5.0 |
| Residuals, % | 0 | |
| 0 to 0.3 |