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Solder Alloy 142 vs. SAE-AISI T8 Steel

Solder alloy 142 belongs to the otherwise unclassified metals classification, while SAE-AISI T8 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (5, 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 T8 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
200
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 12
78
Tensile Strength: Ultimate (UTS), MPa 43
780 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 42
250
Melting Completion (Liquidus), °C 210
1730
Melting Onset (Solidus), °C 180
1670
Specific Heat Capacity, J/kg-K 170
420
Thermal Conductivity, W/m-K 45
18
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
9.0
Embodied Carbon, kg CO2/kg material 9.4
10
Embodied Energy, MJ/kg 160
160
Embodied Water, L/kg 890
120

Common Calculations

Stiffness to Weight: Axial, points 2.0
12
Stiffness to Weight: Bending, points 11
22
Strength to Weight: Axial, points 1.3
24 to 66
Strength to Weight: Bending, points 2.9
21 to 41
Thermal Diffusivity, mm2/s 28
4.8
Thermal Shock Resistance, points 3.7
24 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), % 2.5 to 3.5
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 4.5
Cobalt (Co), % 0
4.3 to 5.8
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
69.3 to 75.4
Lead (Pb), % 47.4 to 50
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 47.5 to 48.5
0
Tungsten (W), % 0
13.3 to 14.8
Vanadium (V), % 0
1.8 to 2.4
Zinc (Zn), % 0 to 0.0010
0