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Solder Alloy 142 vs. Automotive Malleable Cast Iron

Solder alloy 142 belongs to the otherwise unclassified metals classification, while automotive malleable cast iron belongs to the iron alloys. There are 23 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 automotive malleable cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
180
Elongation at Break, % 37
1.0 to 10
Poisson's Ratio 0.4
0.29
Shear Modulus, GPa 12
70
Tensile Strength: Ultimate (UTS), MPa 43
350 to 720

Thermal Properties

Latent Heat of Fusion, J/g 42
260
Melting Completion (Liquidus), °C 210
1410
Melting Onset (Solidus), °C 180
1370
Specific Heat Capacity, J/kg-K 170
480
Thermal Conductivity, W/m-K 45
41
Thermal Expansion, µm/m-K 25
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Density, g/cm3 9.3
7.6
Embodied Carbon, kg CO2/kg material 9.4
1.5
Embodied Energy, MJ/kg 160
20
Embodied Water, L/kg 890
45

Common Calculations

Stiffness to Weight: Axial, points 2.0
13
Stiffness to Weight: Bending, points 11
25
Strength to Weight: Axial, points 1.3
13 to 26
Strength to Weight: Bending, points 2.9
14 to 24
Thermal Diffusivity, mm2/s 28
11
Thermal Shock Resistance, points 3.7
9.9 to 21

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
2.2 to 2.9
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
93.6 to 96.7
Lead (Pb), % 47.4 to 50
0
Manganese (Mn), % 0
0.15 to 1.3
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.020 to 0.15
Silicon (Si), % 0
0.9 to 1.9
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0.020 to 0.2
Tin (Sn), % 47.5 to 48.5
0
Zinc (Zn), % 0 to 0.0010
0