C70250 Copper vs. Solder Alloy 123
C70250 copper belongs to the copper alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 23 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.
For each property being compared, the top bar is C70250 copper and the bottom bar is solder alloy 123.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 120 | |
18 |
Poisson's Ratio | 0.34 | |
0.44 |
Shear Modulus, GPa | 44 | |
6.2 |
Tensile Strength: Ultimate (UTS), MPa | 520 to 740 | |
28 |
Thermal Properties
Latent Heat of Fusion, J/g | 220 | |
26 |
Melting Completion (Liquidus), °C | 1100 | |
310 |
Melting Onset (Solidus), °C | 1080 | |
300 |
Specific Heat Capacity, J/kg-K | 390 | |
130 |
Thermal Conductivity, W/m-K | 170 | |
23 |
Thermal Expansion, µm/m-K | 17 | |
29 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 36 to 50 | |
8.8 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 37 to 51 | |
7.1 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 31 | |
75 |
Density, g/cm3 | 8.9 | |
11 |
Embodied Carbon, kg CO2/kg material | 2.9 | |
4.5 |
Embodied Energy, MJ/kg | 45 | |
74 |
Embodied Water, L/kg | 310 | |
500 |
Common Calculations
Stiffness to Weight: Axial, points | 7.4 | |
0.9 |
Stiffness to Weight: Bending, points | 18 | |
7.8 |
Strength to Weight: Axial, points | 16 to 23 | |
0.69 |
Strength to Weight: Bending, points | 16 to 21 | |
1.8 |
Thermal Diffusivity, mm2/s | 49 | |
16 |
Thermal Shock Resistance, points | 18 to 26 | |
3.8 |
Alloy Composition
Aluminum (Al), % | 0 | |
0 to 0.0010 |
Antimony (Sb), % | 0 | |
0 to 0.5 |
Arsenic (As), % | 0 | |
0 to 0.030 |
Bismuth (Bi), % | 0 | |
0 to 0.1 |
Cadmium (Cd), % | 0 | |
0 to 0.0050 |
Copper (Cu), % | 92.7 to 97.5 | |
0 to 0.080 |
Gold (Au), % | 0 | |
0 to 0.050 |
Indium (In), % | 0 | |
0 to 0.1 |
Iron (Fe), % | 0 | |
0 to 0.020 |
Lead (Pb), % | 0 to 0.050 | |
93.5 to 95.5 |
Magnesium (Mg), % | 0.050 to 0.3 | |
0 |
Manganese (Mn), % | 0 to 0.1 | |
0 |
Nickel (Ni), % | 2.2 to 4.2 | |
0 to 0.010 |
Silicon (Si), % | 0.25 to 1.2 | |
0 |
Silver (Ag), % | 0 | |
0 to 0.1 |
Tin (Sn), % | 0 | |
4.5 to 5.5 |
Zinc (Zn), % | 0 to 1.0 | |
0 to 0.0010 |
Residuals, % | 0 to 0.5 | |
0 |