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Solder Alloy 142 vs. SAE-AISI M43 Steel

Solder alloy 142 belongs to the otherwise unclassified metals classification, while SAE-AISI M43 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 M43 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
77
Tensile Strength: Ultimate (UTS), MPa 43
810 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 42
270
Melting Completion (Liquidus), °C 210
1550
Melting Onset (Solidus), °C 180
1500
Specific Heat Capacity, J/kg-K 170
450
Thermal Conductivity, W/m-K 45
19
Thermal Expansion, µm/m-K 25
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 9.4
8.5
Embodied Energy, MJ/kg 160
120
Embodied Water, L/kg 890
140

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 11
24
Strength to Weight: Axial, points 1.3
27 to 77
Strength to Weight: Bending, points 2.9
24 to 47
Thermal Diffusivity, mm2/s 28
5.3
Thermal Shock Resistance, points 3.7
25 to 71

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
1.2 to 1.3
Chromium (Cr), % 0
3.5 to 4.3
Cobalt (Co), % 0
7.8 to 8.8
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
70.8 to 76
Lead (Pb), % 47.4 to 50
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
7.5 to 8.5
Nickel (Ni), % 0 to 0.010
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
0.15 to 0.65
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
2.3 to 3.0
Vanadium (V), % 0
1.5 to 1.8
Zinc (Zn), % 0 to 0.0010
0