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Solder Alloy 702 vs. Monel 400

Solder alloy 702 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 702 and the bottom bar is Monel 400.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
160
Elongation at Break, % 21
20 to 40
Poisson's Ratio 0.36
0.32
Shear Modulus, GPa 19
62
Tensile Strength: Ultimate (UTS), MPa 53
540 to 780

Thermal Properties

Latent Heat of Fusion, J/g 61
270
Melting Completion (Liquidus), °C 220
1350
Melting Onset (Solidus), °C 220
1300
Specific Heat Capacity, J/kg-K 220
430
Thermal Conductivity, W/m-K 62
23
Thermal Expansion, µm/m-K 22
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 18
3.4

Otherwise Unclassified Properties

Density, g/cm3 7.4
8.9
Embodied Carbon, kg CO2/kg material 17
7.9
Embodied Energy, MJ/kg 290
110

Common Calculations

Stiffness to Weight: Axial, points 3.8
10
Stiffness to Weight: Bending, points 17
21
Strength to Weight: Axial, points 2.0
17 to 25
Strength to Weight: Bending, points 4.2
17 to 21
Thermal Diffusivity, mm2/s 38
6.1
Thermal Shock Resistance, points 3.4
17 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0
Antimony (Sb), % 0 to 0.1
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 0.050
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), % 0 to 0.070
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), % 2.8 to 3.2
0
Sulfur (S), % 0
0 to 0.024
Tin (Sn), % 96.3 to 97.2
0
Zinc (Zn), % 0 to 0.0010
0