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Solder Alloy 191 vs. Grade CW6MC Nickel

Solder alloy 191 belongs to the otherwise unclassified metals classification, while grade CW6MC nickel belongs to the nickel alloys. There are 22 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is solder alloy 191 and the bottom bar is grade CW6MC nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 19
200
Elongation at Break, % 32
28
Poisson's Ratio 0.43
0.29
Shear Modulus, GPa 6.5
79
Tensile Strength: Ultimate (UTS), MPa 29
540

Thermal Properties

Latent Heat of Fusion, J/g 27
330
Melting Completion (Liquidus), °C 300
1480
Melting Onset (Solidus), °C 300
1430
Specific Heat Capacity, J/kg-K 130
440
Thermal Conductivity, W/m-K 24
11
Thermal Expansion, µm/m-K 29
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.8
1.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.2
1.4

Otherwise Unclassified Properties

Density, g/cm3 11
8.6
Embodied Carbon, kg CO2/kg material 5.8
14
Embodied Energy, MJ/kg 95
200

Common Calculations

Stiffness to Weight: Axial, points 0.93
13
Stiffness to Weight: Bending, points 8.0
23
Strength to Weight: Axial, points 0.72
18
Strength to Weight: Bending, points 1.9
17
Thermal Diffusivity, mm2/s 16
2.8
Thermal Shock Resistance, points 3.9
15

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 0.060
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 0 to 0.080
0
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 5.0
Lead (Pb), % 92.4 to 94
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
8.0 to 10
Nickel (Ni), % 0 to 0.010
55.4 to 68.9
Niobium (Nb), % 0
3.2 to 4.5
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 1.2 to 1.8
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 4.8 to 5.2
0
Zinc (Zn), % 0 to 0.0010
0