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Solder Alloy 182 vs. S21904 Stainless Steel

Solder alloy 182 belongs to the otherwise unclassified metals classification, while S21904 stainless steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 182 and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 19
200
Elongation at Break, % 37
17 to 51
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 6.7
78
Tensile Strength: Ultimate (UTS), MPa 28
700 to 1000

Thermal Properties

Latent Heat of Fusion, J/g 28
290
Melting Completion (Liquidus), °C 370
1400
Melting Onset (Solidus), °C 300
1350
Specific Heat Capacity, J/kg-K 130
480
Thermal Conductivity, W/m-K 27
14
Thermal Expansion, µm/m-K 29
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
2.9

Otherwise Unclassified Properties

Density, g/cm3 11
7.7
Embodied Carbon, kg CO2/kg material 9.0
3.0
Embodied Energy, MJ/kg 140
43

Common Calculations

Stiffness to Weight: Axial, points 0.95
14
Stiffness to Weight: Bending, points 7.9
25
Strength to Weight: Axial, points 0.69
25 to 36
Strength to Weight: Bending, points 1.8
23 to 29
Thermal Diffusivity, mm2/s 18
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), % 0 to 0.1
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), % 93.2 to 95
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), % 5.0 to 6.0
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.0010
0