Solder Alloy 134 vs. C47940 Brass
Solder alloy 134 belongs to the otherwise unclassified metals classification, while C47940 brass belongs to the copper alloys. There are 22 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 134 and the bottom bar is C47940 brass.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 31 | |
| 100 |
| Elongation at Break, % | 31 | |
| 14 to 34 |
| Poisson's Ratio | 0.4 | |
| 0.31 |
| Shear Modulus, GPa | 11 | |
| 40 |
| Tensile Strength: Ultimate (UTS), MPa | 38 | |
| 380 to 520 |
Thermal Properties
| Latent Heat of Fusion, J/g | 41 | |
| 170 |
| Melting Completion (Liquidus), °C | 230 | |
| 850 |
| Melting Onset (Solidus), °C | 190 | |
| 800 |
| Specific Heat Capacity, J/kg-K | 170 | |
| 380 |
| Thermal Conductivity, W/m-K | 45 | |
| 110 |
| Thermal Expansion, µm/m-K | 26 | |
| 20 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 100 | |
| 25 |
| Density, g/cm3 | 9.6 | |
| 8.2 |
| Embodied Carbon, kg CO2/kg material | 8.5 | |
| 2.8 |
| Embodied Energy, MJ/kg | 140 | |
| 47 |
| Embodied Water, L/kg | 820 | |
| 330 |
Common Calculations
| Stiffness to Weight: Axial, points | 1.8 | |
| 7.1 |
| Stiffness to Weight: Bending, points | 11 | |
| 19 |
| Strength to Weight: Axial, points | 1.1 | |
| 13 to 17 |
| Strength to Weight: Bending, points | 2.6 | |
| 14 to 17 |
| Thermal Diffusivity, mm2/s | 28 | |
| 36 |
| Thermal Shock Resistance, points | 3.4 | |
| 13 to 17 |
Alloy Composition
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| Aluminum (Al), % | 0 to 0.0010 | |
| 0 |
| Antimony (Sb), % | 2.0 to 2.4 | |
| 0 |
| Arsenic (As), % | 0 to 0.030 | |
| 0 |
| Bismuth (Bi), % | 0 to 0.25 | |
| 0 |
| Cadmium (Cd), % | 0 to 0.0050 | |
| 0 |
| Copper (Cu), % | 0 to 0.080 | |
| 63 to 66 |
| Gold (Au), % | 0 to 0.050 | |
| 0 |
| Indium (In), % | 0 to 0.1 | |
| 0 |
| Iron (Fe), % | 0 to 0.020 | |
| 0.1 to 1.0 |
| Lead (Pb), % | 56.5 to 58.5 | |
| 1.0 to 2.0 |
| Nickel (Ni), % | 0 to 0.010 | |
| 0.1 to 0.5 |
| Silver (Ag), % | 0 to 0.1 | |
| 0 |
| Tin (Sn), % | 39.5 to 40.5 | |
| 1.2 to 2.0 |
| Zinc (Zn), % | 0 to 0.0010 | |
| 28.1 to 34.6 |
| Residuals, % | 0 | |
| 0 to 0.4 |