Solder Alloy 142 vs. S21904 Stainless Steel
Solder alloy 142 belongs to the otherwise unclassified metals classification, while S21904 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.
For each property being compared, the top bar is solder alloy 142 and the bottom bar is S21904 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
Elastic (Young's, Tensile) Modulus, GPa | 33 | |
200 |
Elongation at Break, % | 37 | |
17 to 51 |
Poisson's Ratio | 0.4 | |
0.28 |
Shear Modulus, GPa | 12 | |
78 |
Tensile Strength: Ultimate (UTS), MPa | 43 | |
700 to 1000 |
Thermal Properties
Latent Heat of Fusion, J/g | 42 | |
290 |
Melting Completion (Liquidus), °C | 210 | |
1400 |
Melting Onset (Solidus), °C | 180 | |
1350 |
Specific Heat Capacity, J/kg-K | 170 | |
480 |
Thermal Conductivity, W/m-K | 45 | |
14 |
Thermal Expansion, µm/m-K | 25 | |
17 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 11 | |
2.5 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 11 | |
2.9 |
Otherwise Unclassified Properties
Density, g/cm3 | 9.3 | |
7.7 |
Embodied Carbon, kg CO2/kg material | 9.4 | |
3.0 |
Embodied Energy, MJ/kg | 160 | |
43 |
Embodied Water, L/kg | 890 | |
160 |
Common Calculations
Stiffness to Weight: Axial, points | 2.0 | |
14 |
Stiffness to Weight: Bending, points | 11 | |
25 |
Strength to Weight: Axial, points | 1.3 | |
25 to 36 |
Strength to Weight: Bending, points | 2.9 | |
23 to 29 |
Thermal Diffusivity, mm2/s | 28 | |
3.8 |
Thermal Shock Resistance, points | 3.7 | |
15 to 21 |
Alloy Composition
Aluminum (Al), % | 0 to 0.0010 | |
0 |
Antimony (Sb), % | 0 to 0.2 | |
0 |
Arsenic (As), % | 0 to 0.030 | |
0 |
Bismuth (Bi), % | 2.5 to 3.5 | |
0 |
Cadmium (Cd), % | 0 to 0.0020 | |
0 |
Carbon (C), % | 0 | |
0 to 0.040 |
Chromium (Cr), % | 0 | |
19 to 21.5 |
Copper (Cu), % | 0 to 0.080 | |
0 |
Gold (Au), % | 0 to 0.050 | |
0 |
Indium (In), % | 0 to 0.1 | |
0 |
Iron (Fe), % | 0 to 0.020 | |
59.5 to 67.4 |
Lead (Pb), % | 47.4 to 50 | |
0 |
Manganese (Mn), % | 0 | |
8.0 to 10 |
Nickel (Ni), % | 0 to 0.010 | |
5.5 to 7.5 |
Nitrogen (N), % | 0 | |
0.15 to 0.4 |
Phosphorus (P), % | 0 | |
0 to 0.045 |
Silicon (Si), % | 0 | |
0 to 1.0 |
Silver (Ag), % | 0 to 0.1 | |
0 |
Sulfur (S), % | 0 | |
0 to 0.030 |
Tin (Sn), % | 47.5 to 48.5 | |
0 |
Zinc (Zn), % | 0 to 0.0010 | |
0 |