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Solder Alloy 171 vs. Monel 400

Solder alloy 171 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 (11, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
160
Elongation at Break, % 45
20 to 40
Poisson's Ratio 0.39
0.32
Shear Modulus, GPa 14
62
Tensile Strength: Ultimate (UTS), MPa 48
540 to 780

Thermal Properties

Latent Heat of Fusion, J/g 47
270
Melting Completion (Liquidus), °C 180
1350
Melting Onset (Solidus), °C 180
1300
Specific Heat Capacity, J/kg-K 190
430
Thermal Conductivity, W/m-K 50
23
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 12
3.4

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 13
7.9
Embodied Energy, MJ/kg 210
110

Common Calculations

Stiffness to Weight: Axial, points 2.4
10
Stiffness to Weight: Bending, points 13
21
Strength to Weight: Axial, points 1.5
17 to 25
Strength to Weight: Bending, points 3.3
17 to 21
Thermal Diffusivity, mm2/s 30
6.1
Thermal Shock Resistance, points 3.7
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), % 34.7 to 36.7
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), % 1.8 to 2.2
0
Sulfur (S), % 0
0 to 0.024
Tin (Sn), % 61.5 to 62.5
0
Zinc (Zn), % 0 to 0.0010
0