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Solder Alloy 111 vs. SAE-AISI S7 Steel

Solder alloy 111 belongs to the otherwise unclassified metals classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 111 and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
190
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 12
74
Tensile Strength: Ultimate (UTS), MPa 41
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 41
260
Melting Completion (Liquidus), °C 220
1460
Melting Onset (Solidus), °C 180
1420
Specific Heat Capacity, J/kg-K 180
470
Thermal Conductivity, W/m-K 48
40
Thermal Expansion, µm/m-K 26
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 11
9.0

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.8
Embodied Carbon, kg CO2/kg material 9.4
2.3
Embodied Energy, MJ/kg 160
31
Embodied Water, L/kg 830
65

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 12
25
Strength to Weight: Axial, points 1.2
24 to 72
Strength to Weight: Bending, points 2.8
22 to 46
Thermal Diffusivity, mm2/s 29
11
Thermal Shock Resistance, points 3.5
22 to 66

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
0.45 to 0.55
Chromium (Cr), % 0
3.0 to 3.5
Copper (Cu), % 0 to 0.080
0 to 0.25
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
91.6 to 94.9
Lead (Pb), % 48.8 to 50.5
0
Manganese (Mn), % 0
0.2 to 0.9
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 1.0
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 49.5 to 50.5
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.0010
0