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Solder Alloy 716 vs. Solder Alloy 161

Both solder alloy 716 and solder alloy 161 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 61% of their average alloy composition in common. There are 22 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 716 and the bottom bar is solder alloy 161.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
38
Elongation at Break, % 13
44
Poisson's Ratio 0.36
0.39
Shear Modulus, GPa 19
14
Tensile Strength: Ultimate (UTS), MPa 39
53

Thermal Properties

Latent Heat of Fusion, J/g 60
48
Melting Completion (Liquidus), °C 230
190
Melting Onset (Solidus), °C 220
180
Specific Heat Capacity, J/kg-K 220
190
Thermal Conductivity, W/m-K 60
49
Thermal Expansion, µm/m-K 22
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
11
Electrical Conductivity: Equal Weight (Specific), % IACS 16
11

Otherwise Unclassified Properties

Density, g/cm3 7.3
8.9
Embodied Carbon, kg CO2/kg material 16
11
Embodied Energy, MJ/kg 270
180

Common Calculations

Stiffness to Weight: Axial, points 3.8
2.4
Stiffness to Weight: Bending, points 17
13
Strength to Weight: Axial, points 1.5
1.7
Strength to Weight: Bending, points 3.5
3.5
Thermal Diffusivity, mm2/s 37
29
Thermal Shock Resistance, points 2.5
4.1

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.1
0 to 0.2
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.1
0 to 0.1
Cadmium (Cd), % 0 to 0.0020
0 to 0.0020
Copper (Cu), % 0.3 to 0.7
1.2 to 1.6
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), % 0 to 0.070
37.3 to 39.3
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0.8 to 1.2
0 to 0.1
Tin (Sn), % 97.6 to 98.9
59.5 to 60.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010