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Solder Alloy 134 vs. Solder Alloy 801

Both solder alloy 134 and solder alloy 801 are otherwise unclassified metals. Both are furnished in the as-fabricated (no temper or treatment) condition. They have 40% of their average alloy composition in common. 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 134 and the bottom bar is solder alloy 801.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
53
Elongation at Break, % 31
33
Poisson's Ratio 0.4
0.35
Shear Modulus, GPa 11
20
Tensile Strength: Ultimate (UTS), MPa 38
55

Thermal Properties

Latent Heat of Fusion, J/g 41
64
Melting Completion (Liquidus), °C 230
200
Melting Onset (Solidus), °C 190
200
Specific Heat Capacity, J/kg-K 170
240
Thermal Conductivity, W/m-K 45
61
Thermal Expansion, µm/m-K 26
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
15
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
19

Otherwise Unclassified Properties

Density, g/cm3 9.6
7.2
Embodied Carbon, kg CO2/kg material 8.5
14
Embodied Energy, MJ/kg 140
240
Embodied Water, L/kg 820
1140

Common Calculations

Stiffness to Weight: Axial, points 1.8
4.1
Stiffness to Weight: Bending, points 11
17
Strength to Weight: Axial, points 1.1
2.1
Strength to Weight: Bending, points 2.6
4.4
Thermal Diffusivity, mm2/s 28
36
Thermal Shock Resistance, points 3.4
3.3

Alloy Composition

Aluminum (Al), % 0 to 0.0010
0 to 0.0010
Antimony (Sb), % 2.0 to 2.4
0 to 0.1
Arsenic (As), % 0 to 0.030
0 to 0.030
Bismuth (Bi), % 0 to 0.25
0 to 0.1
Cadmium (Cd), % 0 to 0.0050
0 to 0.0020
Copper (Cu), % 0 to 0.080
0 to 0.050
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
0 to 0.070
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
89.9 to 91.5
Zinc (Zn), % 0 to 0.0010
8.5 to 9.5