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Solder Alloy 181 vs. Monel 400

Solder alloy 181 belongs to the otherwise unclassified metals classification, while Monel 400 belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is solder alloy 181 and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
160
Elongation at Break, % 41
20 to 40
Poisson's Ratio 0.44
0.32
Shear Modulus, GPa 6.1
62
Tensile Strength: Ultimate (UTS), MPa 27
540 to 780

Thermal Properties

Latent Heat of Fusion, J/g 26
270
Melting Completion (Liquidus), °C 310
1350
Melting Onset (Solidus), °C 300
1300
Specific Heat Capacity, J/kg-K 130
430
Thermal Conductivity, W/m-K 24
23
Thermal Expansion, µm/m-K 29
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
3.4

Otherwise Unclassified Properties

Density, g/cm3 11
8.9
Embodied Carbon, kg CO2/kg material 6.2
7.9
Embodied Energy, MJ/kg 100
110

Common Calculations

Stiffness to Weight: Axial, points 0.86
10
Stiffness to Weight: Bending, points 7.7
21
Strength to Weight: Axial, points 0.66
17 to 25
Strength to Weight: Bending, points 1.8
17 to 21
Thermal Diffusivity, mm2/s 16
6.1
Thermal Shock Resistance, points 3.8
17 to 25

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
0 to 0.3
Copper (Cu), % 0 to 0.080
28 to 34
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 2.5
Lead (Pb), % 96.2 to 98
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.010
63 to 72
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.024
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.0010
0