C68800 Brass vs. Solder Alloy 122
C68800 brass belongs to the copper alloys classification, while solder alloy 122 belongs to the otherwise unclassified metals. There are 24 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 C68800 brass and the bottom bar is solder alloy 122.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 110 | |
| 20 |
| Elongation at Break, % | 2.0 to 36 | |
| 30 |
| Poisson's Ratio | 0.32 | |
| 0.43 |
| Shear Modulus, GPa | 41 | |
| 6.9 |
| Tensile Strength: Ultimate (UTS), MPa | 570 to 890 | |
| 30 |
Thermal Properties
| Latent Heat of Fusion, J/g | 190 | |
| 27 |
| Melting Completion (Liquidus), °C | 960 | |
| 300 |
| Melting Onset (Solidus), °C | 950 | |
| 270 |
| Specific Heat Capacity, J/kg-K | 400 | |
| 140 |
| Thermal Conductivity, W/m-K | 40 | |
| 25 |
| Thermal Expansion, µm/m-K | 19 | |
| 28 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 18 | |
| 8.9 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 20 | |
| 7.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 26 | |
| 75 |
| Density, g/cm3 | 8.2 | |
| 11 |
| Embodied Carbon, kg CO2/kg material | 2.8 | |
| 5.0 |
| Embodied Energy, MJ/kg | 48 | |
| 84 |
| Embodied Water, L/kg | 350 | |
| 540 |
Common Calculations
| Stiffness to Weight: Axial, points | 7.3 | |
| 1.0 |
| Stiffness to Weight: Bending, points | 19 | |
| 8.2 |
| Strength to Weight: Axial, points | 19 to 30 | |
| 0.77 |
| Strength to Weight: Bending, points | 19 to 25 | |
| 2.0 |
| Thermal Diffusivity, mm2/s | 12 | |
| 17 |
| Thermal Shock Resistance, points | 19 to 30 | |
| 3.9 |
Alloy Composition
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| Aluminum (Al), % | 3.0 to 3.8 | |
| 0 to 0.0010 |
| Antimony (Sb), % | 0 | |
| 0 to 0.5 |
| Arsenic (As), % | 0 | |
| 0 to 0.030 |
| Bismuth (Bi), % | 0 | |
| 0 to 0.25 |
| Cadmium (Cd), % | 0 | |
| 0 to 0.0050 |
| Cobalt (Co), % | 0.25 to 0.55 | |
| 0 |
| Copper (Cu), % | 70.8 to 75.5 | |
| 0 to 0.080 |
| Gold (Au), % | 0 | |
| 0 to 0.050 |
| Indium (In), % | 0 | |
| 0 to 0.1 |
| Iron (Fe), % | 0 to 0.2 | |
| 0 to 0.020 |
| Lead (Pb), % | 0 to 0.050 | |
| 88.4 to 90.5 |
| Nickel (Ni), % | 0 | |
| 0 to 0.010 |
| Silver (Ag), % | 0 | |
| 0 to 0.1 |
| Tin (Sn), % | 0 | |
| 9.5 to 10.5 |
| Zinc (Zn), % | 21.3 to 24.1 | |
| 0 to 0.0010 |
| Residuals, % | 0 to 0.5 | |
| 0 |