Solder Alloy 131 vs. C38000 Brass
Solder alloy 131 belongs to the otherwise unclassified metals classification, while C38000 brass belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.
For each property being compared, the top bar is solder alloy 131 and the bottom bar is C38000 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 38 | |
| 100 |
| Elongation at Break, % | 47 | |
| 17 |
| Poisson's Ratio | 0.39 | |
| 0.31 |
| Shear Modulus, GPa | 14 | |
| 39 |
| Tensile Strength: Ultimate (UTS), MPa | 31 | |
| 380 |
Thermal Properties
| Latent Heat of Fusion, J/g | 46 | |
| 170 |
| Melting Completion (Liquidus), °C | 180 | |
| 800 |
| Melting Onset (Solidus), °C | 180 | |
| 760 |
| Specific Heat Capacity, J/kg-K | 190 | |
| 380 |
| Thermal Conductivity, W/m-K | 55 | |
| 110 |
| Thermal Expansion, µm/m-K | 25 | |
| 21 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.8 | |
| 8.0 |
| Embodied Carbon, kg CO2/kg material | 11 | |
| 2.7 |
| Embodied Energy, MJ/kg | 180 | |
| 46 |
| Embodied Water, L/kg | 940 | |
| 330 |
Common Calculations
| Stiffness to Weight: Axial, points | 2.4 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 13 | |
| 19 |
| Strength to Weight: Axial, points | 1.0 | |
| 13 |
| Strength to Weight: Bending, points | 2.5 | |
| 14 |
| Thermal Diffusivity, mm2/s | 33 | |
| 37 |
| Thermal Shock Resistance, points | 2.4 | |
| 13 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0 to 0.5 |
| 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 | |
| 55 to 60 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0 to 0.35 |
| Lead (Pb), % | 35.5 to 37.3 | |
| 1.5 to 2.5 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 62.5 to 63.5 | |
| 0 to 0.3 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 35.9 to 43.5 |
| Residuals, % | 0 | |
| 0 to 0.5 |