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Solder Alloy 137 vs. C97800 Nickel Silver

Solder alloy 137 belongs to the otherwise unclassified metals classification, while C97800 nickel silver belongs to the copper alloys. There are 24 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 137 and the bottom bar is C97800 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 24
130
Elongation at Break, % 19
10
Poisson's Ratio 0.42
0.33
Shear Modulus, GPa 8.3
48
Tensile Strength: Ultimate (UTS), MPa 34
370

Thermal Properties

Latent Heat of Fusion, J/g 33
220
Melting Completion (Liquidus), °C 270
1180
Melting Onset (Solidus), °C 190
1140
Specific Heat Capacity, J/kg-K 150
390
Thermal Conductivity, W/m-K 38
25
Thermal Expansion, µm/m-K 27
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.9
4.0
Electrical Conductivity: Equal Weight (Specific), % IACS 7.7
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 85
40
Density, g/cm3 10
8.8
Embodied Carbon, kg CO2/kg material 6.3
5.1
Embodied Energy, MJ/kg 100
76
Embodied Water, L/kg 660
330

Common Calculations

Stiffness to Weight: Axial, points 1.3
8.1
Stiffness to Weight: Bending, points 9.2
19
Strength to Weight: Axial, points 0.9
12
Strength to Weight: Bending, points 2.2
13
Thermal Diffusivity, mm2/s 25
7.3
Thermal Shock Resistance, points 3.7
13

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0050
Antimony (Sb), % 0.5 to 3.0
0 to 0.2
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Copper (Cu), % 0 to 0.080
64 to 67
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 1.5
Lead (Pb), % 75.9 to 80
1.0 to 2.5
Nickel (Ni), % 0 to 0.010
24 to 27
Phosphorus (P), % 0
0 to 0.050
Silicon (Si), % 0
0 to 0.15
Silver (Ag), % 0 to 0.1
0
Sulfur (S), % 0
0 to 0.080
Tin (Sn), % 19.5 to 20.5
4.0 to 5.5
Zinc (Zn), % 0 to 0.0010
1.0 to 4.0
Residuals, % 0
0 to 0.4