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Solder Alloy 142 vs. S21800 Stainless Steel

Solder alloy 142 belongs to the otherwise unclassified metals classification, while S21800 stainless steel belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is solder alloy 142 and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
190
Elongation at Break, % 37
40
Poisson's Ratio 0.4
0.28
Shear Modulus, GPa 12
75
Tensile Strength: Ultimate (UTS), MPa 43
740

Thermal Properties

Latent Heat of Fusion, J/g 42
340
Melting Completion (Liquidus), °C 210
1360
Melting Onset (Solidus), °C 180
1310
Specific Heat Capacity, J/kg-K 170
500
Thermal Expansion, µm/m-K 25
16

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.5
Embodied Carbon, kg CO2/kg material 9.4
3.1
Embodied Energy, MJ/kg 160
45
Embodied Water, L/kg 890
150

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
26
Strength to Weight: Axial, points 1.3
27
Strength to Weight: Bending, points 2.9
24
Thermal Shock Resistance, points 3.7
17

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 0.1
Chromium (Cr), % 0
16 to 18
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
59.1 to 65.4
Lead (Pb), % 47.4 to 50
0
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0 to 0.010
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
3.5 to 4.5
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