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Solder Alloy 103 vs. Solder Alloy 101

Both solder alloy 103 and solder alloy 101 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have a very high 97% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is solder alloy 103 and the bottom bar is solder alloy 101.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 37
38
Elongation at Break, % 47
48
Poisson's Ratio 0.39
0.39
Shear Modulus, GPa 13
14
Tensile Strength: Ultimate (UTS), MPa 52
31

Thermal Properties

Latent Heat of Fusion, J/g 45
46
Melting Completion (Liquidus), °C 190
180
Melting Onset (Solidus), °C 180
180
Specific Heat Capacity, J/kg-K 180
190
Thermal Conductivity, W/m-K 50
51
Thermal Expansion, µm/m-K 24
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
12
Electrical Conductivity: Equal Weight (Specific), % IACS 12
12

Otherwise Unclassified Properties

Density, g/cm3 8.9
8.8
Embodied Carbon, kg CO2/kg material 10
11
Embodied Energy, MJ/kg 180
180
Embodied Water, L/kg 910
930

Common Calculations

Stiffness to Weight: Axial, points 2.3
2.4
Stiffness to Weight: Bending, points 12
13
Strength to Weight: Axial, points 1.6
1.0
Strength to Weight: Bending, points 3.5
2.5
Thermal Diffusivity, mm2/s 30
31
Thermal Shock Resistance, points 4.3
2.4

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0 to 0.2
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 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), % 38.8 to 40.5
35.8 to 37.5
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
0 to 0.1
Tin (Sn), % 59.5 to 60.5
62.5 to 63.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010