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Solder Alloy 133 vs. Solder Alloy 104

Both solder alloy 133 and solder alloy 104 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 90% of their average alloy composition in common.

For each property being compared, the top bar is solder alloy 133 and the bottom bar is solder alloy 104.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 33
37
Elongation at Break, % 34
46
Poisson's Ratio 0.4
0.39
Shear Modulus, GPa 12
13
Tensile Strength: Ultimate (UTS), MPa 41
51

Thermal Properties

Latent Heat of Fusion, J/g 42
45
Melting Completion (Liquidus), °C 220
190
Melting Onset (Solidus), °C 180
180
Specific Heat Capacity, J/kg-K 180
180
Thermal Conductivity, W/m-K 47
50
Thermal Expansion, µm/m-K 25
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
11
Electrical Conductivity: Equal Weight (Specific), % IACS 10
11

Otherwise Unclassified Properties

Density, g/cm3 9.3
8.9
Embodied Carbon, kg CO2/kg material 9.4
10
Embodied Energy, MJ/kg 160
180
Embodied Water, L/kg 840
900

Common Calculations

Stiffness to Weight: Axial, points 2.0
2.3
Stiffness to Weight: Bending, points 12
12
Strength to Weight: Axial, points 1.2
1.6
Strength to Weight: Bending, points 2.9
3.4
Thermal Diffusivity, mm2/s 29
30
Thermal Shock Resistance, points 3.5
4.0

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 0.2 to 0.5
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 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), % 48.5 to 50.3
39 to 40.5
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
0 to 0.1
Tin (Sn), % 49.5 to 50.5
59.5 to 60.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010