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Solder Alloy 111 vs. S39274 Stainless Steel

Solder alloy 111 belongs to the otherwise unclassified metals classification, while S39274 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 111 and the bottom bar is S39274 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 14
270
Elastic (Young's, Tensile) Modulus, GPa 33
210
Elongation at Break, % 35
17
Poisson's Ratio 0.4
0.27
Shear Modulus, GPa 12
81
Tensile Strength: Ultimate (UTS), MPa 41
900

Thermal Properties

Latent Heat of Fusion, J/g 41
300
Melting Completion (Liquidus), °C 220
1480
Melting Onset (Solidus), °C 180
1430
Specific Heat Capacity, J/kg-K 180
470
Thermal Conductivity, W/m-K 48
16
Thermal Expansion, µm/m-K 26
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
2.4

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.0
Embodied Carbon, kg CO2/kg material 9.4
4.3
Embodied Energy, MJ/kg 160
60
Embodied Water, L/kg 830
180

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 1.2
32
Strength to Weight: Bending, points 2.8
26
Thermal Diffusivity, mm2/s 29
4.2
Thermal Shock Resistance, points 3.5
25

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 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0 to 0.080
0.2 to 0.8
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
57 to 65.6
Lead (Pb), % 48.8 to 50.5
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0 to 0.010
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0 to 0.8
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 49.5 to 50.5
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 0 to 0.0010
0