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Solder Alloy 716 vs. Solder Alloy 104

Both solder alloy 716 and solder alloy 104 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 60% 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 104.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 51
37
Elongation at Break, % 13
46
Poisson's Ratio 0.36
0.39
Shear Modulus, GPa 19
13
Tensile Strength: Ultimate (UTS), MPa 39
51

Thermal Properties

Latent Heat of Fusion, J/g 60
45
Melting Completion (Liquidus), °C 230
190
Melting Onset (Solidus), °C 220
180
Specific Heat Capacity, J/kg-K 220
180
Thermal Conductivity, W/m-K 60
50
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
10
Embodied Energy, MJ/kg 270
180

Common Calculations

Stiffness to Weight: Axial, points 3.8
2.3
Stiffness to Weight: Bending, points 17
12
Strength to Weight: Axial, points 1.5
1.6
Strength to Weight: Bending, points 3.5
3.4
Thermal Diffusivity, mm2/s 37
30
Thermal Shock Resistance, points 2.5
4.0

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.1
0 to 0.050
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.1
0 to 0.050
Cadmium (Cd), % 0 to 0.0020
0 to 0.0020
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
39 to 40.5
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
59.5 to 60.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010