C23400 Brass vs. Solder Alloy 702
C23400 brass belongs to the copper alloys classification, while solder alloy 702 belongs to the otherwise unclassified metals. There are 19 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 C23400 brass and the bottom bar is solder alloy 702.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 51 |
| Poisson's Ratio | 0.32 | |
| 0.36 |
| Shear Modulus, GPa | 42 | |
| 19 |
| Tensile Strength: Ultimate (UTS), MPa | 370 to 640 | |
| 53 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 61 |
| Melting Completion (Liquidus), °C | 970 | |
| 220 |
| Melting Onset (Solidus), °C | 930 | |
| 220 |
| Specific Heat Capacity, J/kg-K | 390 | |
| 220 |
| Thermal Conductivity, W/m-K | 120 | |
| 62 |
| Thermal Expansion, µm/m-K | 19 | |
| 22 |
Otherwise Unclassified Properties
| Density, g/cm3 | 8.5 | |
| 7.4 |
| Embodied Carbon, kg CO2/kg material | 2.6 | |
| 17 |
| Embodied Energy, MJ/kg | 43 | |
| 290 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.2 | |
| 3.8 |
| Stiffness to Weight: Bending, points | 19 | |
| 17 |
| Strength to Weight: Axial, points | 12 to 21 | |
| 2.0 |
| Strength to Weight: Bending, points | 13 to 19 | |
| 4.2 |
| Thermal Diffusivity, mm2/s | 36 | |
| 38 |
| Thermal Shock Resistance, points | 12 to 22 | |
| 3.4 |
Alloy Composition
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| Aluminum (Al), % | 0 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.1 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.1 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0020 |
| Copper (Cu), % | 81 to 84 | |
| 0 to 0.050 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.050 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 to 0.050 | |
| 0 to 0.070 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silver (Ag), % | 0 | |
| 2.8 to 3.2 |
| Tin (Sn), % | 0 | |
| 96.3 to 97.2 |
| Zinc (Zn), % | 15.7 to 19 | |
| 0 to 0.0010 |
| Residuals, % | 0 to 0.2 | |
| 0 |