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Solder Alloy 181 vs. C77600 Nickel Silver

Solder alloy 181 belongs to the otherwise unclassified metals classification, while C77600 nickel silver belongs to the copper alloys. There are 20 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 181 and the bottom bar is C77600 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 18
110
Elongation at Break, % 41
30
Poisson's Ratio 0.44
0.3
Shear Modulus, GPa 6.1
43
Tensile Strength: Ultimate (UTS), MPa 27
630

Thermal Properties

Latent Heat of Fusion, J/g 26
180
Melting Completion (Liquidus), °C 310
830
Melting Onset (Solidus), °C 300
790
Specific Heat Capacity, J/kg-K 130
390
Thermal Expansion, µm/m-K 29
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 7.4
31

Otherwise Unclassified Properties

Density, g/cm3 11
7.9
Embodied Carbon, kg CO2/kg material 6.2
3.7
Embodied Energy, MJ/kg 100
60

Common Calculations

Stiffness to Weight: Axial, points 0.86
7.9
Stiffness to Weight: Bending, points 7.7
20
Strength to Weight: Axial, points 0.66
22
Strength to Weight: Bending, points 1.8
21
Thermal Shock Resistance, points 3.8
20

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
Copper (Cu), % 0 to 0.080
42 to 45
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.2
Lead (Pb), % 96.2 to 98
0 to 0.25
Manganese (Mn), % 0
0 to 0.25
Nickel (Ni), % 0 to 0.010
12 to 14
Silver (Ag), % 2.0 to 3.0
0
Tin (Sn), % 0 to 0.25
0 to 0.15
Zinc (Zn), % 0 to 0.0010
39.7 to 46
Residuals, % 0
0 to 0.5