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Solder Alloy 134 vs. Solder Alloy 136

Both solder alloy 134 and solder alloy 136 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is solder alloy 134 and the bottom bar is solder alloy 136.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
25
Elongation at Break, % 31
19
Poisson's Ratio 0.4
0.42
Shear Modulus, GPa 11
8.9
Tensile Strength: Ultimate (UTS), MPa 38
34

Thermal Properties

Latent Heat of Fusion, J/g 41
34
Melting Completion (Liquidus), °C 230
260
Melting Onset (Solidus), °C 190
190
Specific Heat Capacity, J/kg-K 170
150
Thermal Conductivity, W/m-K 45
40
Thermal Expansion, µm/m-K 26
27

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
9.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 100
90
Density, g/cm3 9.6
10
Embodied Carbon, kg CO2/kg material 8.5
6.8
Embodied Energy, MJ/kg 140
110
Embodied Water, L/kg 820
680

Common Calculations

Stiffness to Weight: Axial, points 1.8
1.4
Stiffness to Weight: Bending, points 11
9.5
Strength to Weight: Axial, points 1.1
0.92
Strength to Weight: Bending, points 2.6
2.3
Thermal Diffusivity, mm2/s 28
26
Thermal Shock Resistance, points 3.4
3.6

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 2.0 to 2.4
0.5 to 2.0
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.25
0 to 0.25
Cadmium (Cd), % 0 to 0.0050
0 to 0.0050
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), % 56.5 to 58.5
71.9 to 75
Nickel (Ni), % 0 to 0.010
0 to 0.010
Silver (Ag), % 0 to 0.1
0 to 0.1
Tin (Sn), % 39.5 to 40.5
24.5 to 25.5
Zinc (Zn), % 0 to 0.0010
0 to 0.0010