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Solder Alloy 182 vs. SAE-AISI S7 Steel

Solder alloy 182 belongs to the otherwise unclassified metals classification, while SAE-AISI S7 steel belongs to the iron alloys. There are 21 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 182 and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 19
190
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 6.7
74
Tensile Strength: Ultimate (UTS), MPa 28
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 28
260
Melting Completion (Liquidus), °C 370
1460
Melting Onset (Solidus), °C 300
1420
Specific Heat Capacity, J/kg-K 130
470
Thermal Conductivity, W/m-K 27
40
Thermal Expansion, µm/m-K 29
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.6
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.6
9.0

Otherwise Unclassified Properties

Density, g/cm3 11
7.8
Embodied Carbon, kg CO2/kg material 9.0
2.3
Embodied Energy, MJ/kg 140
31

Common Calculations

Stiffness to Weight: Axial, points 0.95
14
Stiffness to Weight: Bending, points 7.9
25
Strength to Weight: Axial, points 0.69
24 to 72
Strength to Weight: Bending, points 1.8
22 to 46
Thermal Diffusivity, mm2/s 18
11
Thermal Shock Resistance, points 3.7
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), % 93.2 to 95
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), % 5.0 to 6.0
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Vanadium (V), % 0
0 to 0.3
Zinc (Zn), % 0 to 0.0010
0