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Solder Alloy 181 vs. Grade CW6M Nickel

Solder alloy 181 belongs to the otherwise unclassified metals classification, while grade CW6M nickel belongs to the nickel alloys. There are 18 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 181 and the bottom bar is grade CW6M nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
220
Elongation at Break, % 41
29
Poisson's Ratio 0.44
0.29
Shear Modulus, GPa 6.1
84
Tensile Strength: Ultimate (UTS), MPa 27
560

Thermal Properties

Latent Heat of Fusion, J/g 26
330
Melting Completion (Liquidus), °C 310
1530
Melting Onset (Solidus), °C 300
1470
Specific Heat Capacity, J/kg-K 130
430
Thermal Expansion, µm/m-K 29
12

Otherwise Unclassified Properties

Density, g/cm3 11
8.8
Embodied Carbon, kg CO2/kg material 6.2
13
Embodied Energy, MJ/kg 100
170

Common Calculations

Stiffness to Weight: Axial, points 0.86
14
Stiffness to Weight: Bending, points 7.7
23
Strength to Weight: Axial, points 0.66
18
Strength to Weight: Bending, points 1.8
17
Thermal Shock Resistance, points 3.8
16

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 0.070
Chromium (Cr), % 0
17 to 20
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 3.0
Lead (Pb), % 96.2 to 98
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
17 to 20
Nickel (Ni), % 0 to 0.010
54.9 to 66
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 2.0 to 3.0
0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.0010
0