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SAE-AISI S7 Steel vs. Solder Alloy 142

SAE-AISI S7 steel belongs to the iron alloys classification, while solder alloy 142 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is solder alloy 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
33
Poisson's Ratio 0.29
0.4
Shear Modulus, GPa 74
12
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
43

Thermal Properties

Latent Heat of Fusion, J/g 260
42
Melting Completion (Liquidus), °C 1460
210
Melting Onset (Solidus), °C 1420
180
Specific Heat Capacity, J/kg-K 470
170
Thermal Conductivity, W/m-K 40
45
Thermal Expansion, µm/m-K 12
25

Electrical Properties

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

Otherwise Unclassified Properties

Density, g/cm3 7.8
9.3
Embodied Carbon, kg CO2/kg material 2.3
9.4
Embodied Energy, MJ/kg 31
160
Embodied Water, L/kg 65
890

Common Calculations

Stiffness to Weight: Axial, points 14
2.0
Stiffness to Weight: Bending, points 25
11
Strength to Weight: Axial, points 24 to 72
1.3
Strength to Weight: Bending, points 22 to 46
2.9
Thermal Diffusivity, mm2/s 11
28
Thermal Shock Resistance, points 22 to 66
3.7

Alloy Composition

Aluminum (Al), % 0
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.5 to 3.5
Cadmium (Cd), % 0
0 to 0.0020
Carbon (C), % 0.45 to 0.55
0
Chromium (Cr), % 3.0 to 3.5
0
Copper (Cu), % 0 to 0.25
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 91.6 to 94.9
0 to 0.020
Lead (Pb), % 0
47.4 to 50
Manganese (Mn), % 0.2 to 0.9
0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 1.0
0
Silver (Ag), % 0
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
47.5 to 48.5
Vanadium (V), % 0 to 0.3
0
Zinc (Zn), % 0
0 to 0.0010