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Solder Alloy 716 vs. Solder Alloy 117

Both solder alloy 716 and solder alloy 117 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a modest 20% of their average alloy composition in common, which, by itself, doesn't mean much. 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 716 and the bottom bar is solder alloy 117.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 13
11
Elastic (Young's, Tensile) Modulus, GPa 51
23
Elongation at Break, % 13
20
Poisson's Ratio 0.36
0.42
Shear Modulus, GPa 19
8.1
Tensile Strength: Ultimate (UTS), MPa 39
33

Thermal Properties

Latent Heat of Fusion, J/g 60
31
Melting Completion (Liquidus), °C 230
280
Melting Onset (Solidus), °C 220
180
Specific Heat Capacity, J/kg-K 220
150
Thermal Conductivity, W/m-K 60
37
Thermal Expansion, µm/m-K 22
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
8.7
Electrical Conductivity: Equal Weight (Specific), % IACS 16
7.5

Otherwise Unclassified Properties

Density, g/cm3 7.3
11
Embodied Carbon, kg CO2/kg material 16
6.1
Embodied Energy, MJ/kg 270
100

Common Calculations

Stiffness to Weight: Axial, points 3.8
1.2
Stiffness to Weight: Bending, points 17
9.0
Strength to Weight: Axial, points 1.5
0.88
Strength to Weight: Bending, points 3.5
2.2
Thermal Diffusivity, mm2/s 37
24
Thermal Shock Resistance, points 2.5
3.7

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.1
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), % 0.3 to 0.7
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), % 0 to 0.070
78.4 to 80.5
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
19.5 to 20.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010