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Solder Alloy 142 vs. SAE-AISI O6 Steel

Solder alloy 142 belongs to the otherwise unclassified metals classification, while SAE-AISI O6 steel belongs to the iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is solder alloy 142 and the bottom bar is SAE-AISI O6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
180
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 12
71
Tensile Strength: Ultimate (UTS), MPa 43
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 42
260
Melting Completion (Liquidus), °C 210
1430
Melting Onset (Solidus), °C 180
1390
Specific Heat Capacity, J/kg-K 170
480
Thermal Conductivity, W/m-K 45
43
Thermal Expansion, µm/m-K 25
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.6

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.7
Embodied Carbon, kg CO2/kg material 9.4
1.5
Embodied Energy, MJ/kg 160
21
Embodied Water, L/kg 890
47

Common Calculations

Stiffness to Weight: Axial, points 2.0
13
Stiffness to Weight: Bending, points 11
25
Strength to Weight: Axial, points 1.3
24 to 74
Strength to Weight: Bending, points 2.9
22 to 47
Thermal Diffusivity, mm2/s 28
12
Thermal Shock Resistance, points 3.7
22 to 69

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), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
1.3 to 1.6
Chromium (Cr), % 0
0 to 0.3
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
94.6 to 97.7
Lead (Pb), % 47.4 to 50
0
Manganese (Mn), % 0
0.3 to 1.1
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.55 to 1.5
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
0