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Solder Alloy 171 vs. C14520 Copper

Solder alloy 171 belongs to the otherwise unclassified metals classification, while C14520 copper belongs to the copper alloys. There are 22 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is C14520 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 38
120
Elongation at Break, % 45
9.0 to 9.6
Poisson's Ratio 0.39
0.34
Shear Modulus, GPa 14
43
Tensile Strength: Ultimate (UTS), MPa 48
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 47
210
Melting Completion (Liquidus), °C 180
1080
Melting Onset (Solidus), °C 180
1050
Specific Heat Capacity, J/kg-K 190
390
Thermal Conductivity, W/m-K 50
320
Thermal Expansion, µm/m-K 24
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
85
Electrical Conductivity: Equal Weight (Specific), % IACS 12
85

Otherwise Unclassified Properties

Density, g/cm3 8.8
8.9
Embodied Carbon, kg CO2/kg material 13
2.6
Embodied Energy, MJ/kg 210
42

Common Calculations

Stiffness to Weight: Axial, points 2.4
7.2
Stiffness to Weight: Bending, points 13
18
Strength to Weight: Axial, points 1.5
9.0 to 10
Strength to Weight: Bending, points 3.3
11 to 12
Thermal Diffusivity, mm2/s 30
94
Thermal Shock Resistance, points 3.7
10 to 12

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
99.2 to 99.596
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0
Lead (Pb), % 34.7 to 36.7
0
Nickel (Ni), % 0 to 0.010
0
Phosphorus (P), % 0
0.0040 to 0.020
Silver (Ag), % 1.8 to 2.2
0
Tellurium (Te), % 0
0.4 to 0.7
Tin (Sn), % 61.5 to 62.5
0
Zinc (Zn), % 0 to 0.0010
0