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Solder Alloy 124 vs. S20161 Stainless Steel

Solder alloy 124 belongs to the otherwise unclassified metals classification, while S20161 stainless steel belongs to the iron alloys. There are 24 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 124 and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 17
190
Elongation at Break, % 46
46
Poisson's Ratio 0.44
0.28
Shear Modulus, GPa 5.8
76
Tensile Strength: Ultimate (UTS), MPa 27
980

Thermal Properties

Latent Heat of Fusion, J/g 24
330
Melting Completion (Liquidus), °C 330
1380
Melting Onset (Solidus), °C 320
1330
Specific Heat Capacity, J/kg-K 130
490
Thermal Conductivity, W/m-K 22
15
Thermal Expansion, µm/m-K 29
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 70
12
Density, g/cm3 11
7.5
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 68
39
Embodied Water, L/kg 470
130

Common Calculations

Stiffness to Weight: Axial, points 0.83
14
Stiffness to Weight: Bending, points 7.6
26
Strength to Weight: Axial, points 0.65
36
Strength to Weight: Bending, points 1.8
29
Thermal Diffusivity, mm2/s 15
4.0
Thermal Shock Resistance, points 3.9
22

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.12
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 0.15
Chromium (Cr), % 0
15 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
65.6 to 73.9
Lead (Pb), % 97.2 to 98.2
0
Manganese (Mn), % 0
4.0 to 6.0
Nickel (Ni), % 0 to 0.010
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
3.0 to 4.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 1.8 to 2.2
0
Zinc (Zn), % 0 to 0.0010
0