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Solder Alloy 191 vs. Monel K-500

Solder alloy 191 belongs to the otherwise unclassified metals classification, while Monel K-500 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 191 and the bottom bar is Monel K-500.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 19
160
Elongation at Break, % 32
25 to 36
Poisson's Ratio 0.43
0.32
Shear Modulus, GPa 6.5
61
Tensile Strength: Ultimate (UTS), MPa 29
640 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 27
270
Melting Completion (Liquidus), °C 300
1350
Melting Onset (Solidus), °C 300
1320
Specific Heat Capacity, J/kg-K 130
440
Thermal Conductivity, W/m-K 24
18
Thermal Expansion, µm/m-K 29
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
3.2

Otherwise Unclassified Properties

Density, g/cm3 11
8.7
Embodied Carbon, kg CO2/kg material 5.8
8.1
Embodied Energy, MJ/kg 95
120

Common Calculations

Stiffness to Weight: Axial, points 0.93
10
Stiffness to Weight: Bending, points 8.0
21
Strength to Weight: Axial, points 0.72
21 to 35
Strength to Weight: Bending, points 1.9
19 to 27
Thermal Diffusivity, mm2/s 16
4.8
Thermal Shock Resistance, points 3.9
21 to 36

Alloy Composition

Aluminum (Al), % 0 to 0.0010
2.3 to 3.2
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 0.18
Copper (Cu), % 0 to 0.080
27 to 33
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 2.0
Lead (Pb), % 92.4 to 94
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0 to 0.010
63 to 70.4
Silicon (Si), % 0
0 to 0.5
Silver (Ag), % 1.2 to 1.8
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 4.8 to 5.2
0
Titanium (Ti), % 0
0.35 to 0.85
Zinc (Zn), % 0 to 0.0010
0