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Solder Alloy 134 vs. 7475 Aluminum

Solder alloy 134 belongs to the otherwise unclassified metals classification, while 7475 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is solder alloy 134 and the bottom bar is 7475 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
70
Elongation at Break, % 31
10 to 12
Poisson's Ratio 0.4
0.32
Shear Modulus, GPa 11
26
Tensile Strength: Ultimate (UTS), MPa 38
530 to 590

Thermal Properties

Latent Heat of Fusion, J/g 41
380
Melting Completion (Liquidus), °C 230
640
Melting Onset (Solidus), °C 190
480
Specific Heat Capacity, J/kg-K 170
870
Thermal Conductivity, W/m-K 45
140 to 160
Thermal Expansion, µm/m-K 26
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
33 to 42
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
98 to 120

Otherwise Unclassified Properties

Base Metal Price, % relative 100
10
Density, g/cm3 9.6
3.0
Embodied Carbon, kg CO2/kg material 8.5
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 820
1130

Common Calculations

Stiffness to Weight: Axial, points 1.8
13
Stiffness to Weight: Bending, points 11
46
Strength to Weight: Axial, points 1.1
49 to 55
Strength to Weight: Bending, points 2.6
48 to 52
Thermal Diffusivity, mm2/s 28
53 to 63
Thermal Shock Resistance, points 3.4
23 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.0010
88.6 to 91.6
Antimony (Sb), % 2.0 to 2.4
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.25
0
Cadmium (Cd), % 0 to 0.0050
0
Chromium (Cr), % 0
0.18 to 0.25
Copper (Cu), % 0 to 0.080
1.2 to 1.9
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.12
Lead (Pb), % 56.5 to 58.5
0
Magnesium (Mg), % 0
1.9 to 2.6
Manganese (Mn), % 0
0 to 0.060
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.1
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 39.5 to 40.5
0
Titanium (Ti), % 0
0 to 0.060
Zinc (Zn), % 0 to 0.0010
5.1 to 6.2
Residuals, % 0
0 to 0.15