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Solder Alloy 111 vs. S82121 Stainless Steel

Solder alloy 111 belongs to the otherwise unclassified metals classification, while S82121 stainless steel belongs to the iron alloys. There are 24 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 111 and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
250
Elastic (Young's, Tensile) Modulus, GPa 33
200
Elongation at Break, % 35
28
Poisson's Ratio 0.4
0.27
Shear Modulus, GPa 12
78
Tensile Strength: Ultimate (UTS), MPa 41
730

Thermal Properties

Latent Heat of Fusion, J/g 41
290
Melting Completion (Liquidus), °C 220
1430
Melting Onset (Solidus), °C 180
1380
Specific Heat Capacity, J/kg-K 180
480
Thermal Conductivity, W/m-K 48
15
Thermal Expansion, µm/m-K 26
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 9.3
7.7
Embodied Carbon, kg CO2/kg material 9.4
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 830
150

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 1.2
26
Strength to Weight: Bending, points 2.8
23
Thermal Diffusivity, mm2/s 29
4.0
Thermal Shock Resistance, points 3.5
20

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 0.035
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 0 to 0.080
0.2 to 1.2
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
66.7 to 75.4
Lead (Pb), % 48.8 to 50.5
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0 to 0.010
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 49.5 to 50.5
0
Zinc (Zn), % 0 to 0.0010
0