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Solder Alloy 191 vs. Nickel 201

Solder alloy 191 belongs to the otherwise unclassified metals classification, while nickel 201 belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is solder alloy 191 and the bottom bar is nickel 201.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 19
180
Elongation at Break, % 32
4.5 to 45
Poisson's Ratio 0.43
0.31
Shear Modulus, GPa 6.5
70
Tensile Strength: Ultimate (UTS), MPa 29
390 to 660

Thermal Properties

Latent Heat of Fusion, J/g 27
290
Melting Completion (Liquidus), °C 300
1450
Melting Onset (Solidus), °C 300
1440
Specific Heat Capacity, J/kg-K 130
440
Thermal Conductivity, W/m-K 24
78
Thermal Expansion, µm/m-K 29
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
19
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
19

Otherwise Unclassified Properties

Density, g/cm3 11
8.9
Embodied Carbon, kg CO2/kg material 5.8
11
Embodied Energy, MJ/kg 95
150

Common Calculations

Stiffness to Weight: Axial, points 0.93
11
Stiffness to Weight: Bending, points 8.0
21
Strength to Weight: Axial, points 0.72
12 to 20
Strength to Weight: Bending, points 1.9
13 to 19
Thermal Diffusivity, mm2/s 16
20
Thermal Shock Resistance, points 3.9
11 to 19

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 0.020
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
0 to 0.4
Lead (Pb), % 92.4 to 94
0
Manganese (Mn), % 0
0 to 0.35
Nickel (Ni), % 0 to 0.010
99 to 100
Silicon (Si), % 0
0 to 0.35
Silver (Ag), % 1.2 to 1.8
0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 4.8 to 5.2
0
Zinc (Zn), % 0 to 0.0010
0