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Solder Alloy 171 vs. Solder Alloy 114

Both solder alloy 171 and solder alloy 114 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 76% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is solder alloy 171 and the bottom bar is solder alloy 114.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 16
12
Elastic (Young's, Tensile) Modulus, GPa 38
30
Elongation at Break, % 45
25
Poisson's Ratio 0.39
0.41
Shear Modulus, GPa 14
11
Tensile Strength: Ultimate (UTS), MPa 48
37

Thermal Properties

Latent Heat of Fusion, J/g 47
38
Melting Completion (Liquidus), °C 180
240
Melting Onset (Solidus), °C 180
180
Specific Heat Capacity, J/kg-K 190
170
Thermal Conductivity, W/m-K 50
44
Thermal Expansion, µm/m-K 24
26

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
10
Electrical Conductivity: Equal Weight (Specific), % IACS 12
9.4

Otherwise Unclassified Properties

Density, g/cm3 8.8
9.7
Embodied Carbon, kg CO2/kg material 13
8.3
Embodied Energy, MJ/kg 210
140

Common Calculations

Stiffness to Weight: Axial, points 2.4
1.7
Stiffness to Weight: Bending, points 13
11
Strength to Weight: Axial, points 1.5
1.1
Strength to Weight: Bending, points 3.3
2.6
Thermal Diffusivity, mm2/s 30
27
Thermal Shock Resistance, points 3.7
3.4

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.2
0 to 0.5
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.1
0 to 0.25
Cadmium (Cd), % 0 to 0.0020
0 to 0.0050
Copper (Cu), % 0 to 0.080
0 to 0.080
Gold (Au), % 0 to 0.050
0 to 0.050
Indium (In), % 0 to 0.1
0 to 0.1
Iron (Fe), % 0 to 0.020
0 to 0.020
Lead (Pb), % 34.7 to 36.7
58.4 to 60.5
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 1.8 to 2.2
0 to 0.1
Tin (Sn), % 61.5 to 62.5
39.5 to 40.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010