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Solder Alloy 161 vs. S82031 Stainless Steel

Solder alloy 161 belongs to the otherwise unclassified metals classification, while S82031 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 161 and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
200
Elongation at Break, % 44
39
Poisson's Ratio 0.39
0.28
Shear Modulus, GPa 14
78
Tensile Strength: Ultimate (UTS), MPa 53
780

Thermal Properties

Latent Heat of Fusion, J/g 48
290
Melting Completion (Liquidus), °C 190
1430
Melting Onset (Solidus), °C 180
1390
Specific Heat Capacity, J/kg-K 190
480
Thermal Conductivity, W/m-K 49
15
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.5

Otherwise Unclassified Properties

Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 11
2.8
Embodied Energy, MJ/kg 180
39
Embodied Water, L/kg 910
150

Common Calculations

Stiffness to Weight: Axial, points 2.4
14
Stiffness to Weight: Bending, points 13
25
Strength to Weight: Axial, points 1.7
28
Strength to Weight: Bending, points 3.5
24
Thermal Diffusivity, mm2/s 29
3.9
Thermal Shock Resistance, points 4.1
22

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 0.050
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 1.2 to 1.6
0 to 1.0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
68 to 78.3
Lead (Pb), % 37.3 to 39.3
0
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0
0.6 to 1.4
Nickel (Ni), % 0 to 0.010
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 59.5 to 60.5
0
Zinc (Zn), % 0 to 0.0010
0