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Solder Alloy 111 vs. SAE-AISI M42 Steel

Solder alloy 111 belongs to the otherwise unclassified metals classification, while SAE-AISI M42 steel belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is solder alloy 111 and the bottom bar is SAE-AISI M42 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 41
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 41
270
Melting Completion (Liquidus), °C 220
1540
Melting Onset (Solidus), °C 180
1490
Specific Heat Capacity, J/kg-K 180
450
Thermal Conductivity, W/m-K 48
20
Thermal Expansion, µm/m-K 26
12

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.2
Embodied Carbon, kg CO2/kg material 9.4
7.4
Embodied Energy, MJ/kg 160
100
Embodied Water, L/kg 830
140

Common Calculations

Stiffness to Weight: Axial, points 2.0
14
Stiffness to Weight: Bending, points 12
24
Strength to Weight: Axial, points 1.2
28 to 79
Strength to Weight: Bending, points 2.8
24 to 48
Thermal Diffusivity, mm2/s 29
5.4
Thermal Shock Resistance, points 3.5
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), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Carbon (C), % 0
1.1 to 1.2
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
76.3 to 81
Lead (Pb), % 48.8 to 50.5
0
Manganese (Mn), % 0
0.15 to 0.4
Molybdenum (Mo), % 0
9.0 to 10
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), % 49.5 to 50.5
0
Tungsten (W), % 0
1.2 to 1.9
Vanadium (V), % 0
1.0 to 1.4
Zinc (Zn), % 0 to 0.0010
0