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Solder Alloy 134 vs. 7049A Aluminum

Solder alloy 134 belongs to the otherwise unclassified metals classification, while 7049A 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 7049A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 31
71
Elongation at Break, % 31
5.0 to 5.7
Poisson's Ratio 0.4
0.32
Shear Modulus, GPa 11
27
Tensile Strength: Ultimate (UTS), MPa 38
580 to 590

Thermal Properties

Latent Heat of Fusion, J/g 41
370
Melting Completion (Liquidus), °C 230
640
Melting Onset (Solidus), °C 190
430
Specific Heat Capacity, J/kg-K 170
850
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 26
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
40
Electrical Conductivity: Equal Weight (Specific), % IACS 9.6
120

Otherwise Unclassified Properties

Base Metal Price, % relative 100
10
Density, g/cm3 9.6
3.1
Embodied Carbon, kg CO2/kg material 8.5
8.2
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 820
1100

Common Calculations

Stiffness to Weight: Axial, points 1.8
13
Stiffness to Weight: Bending, points 11
44
Strength to Weight: Axial, points 1.1
52 to 53
Strength to Weight: Bending, points 2.6
50 to 51
Thermal Diffusivity, mm2/s 28
50
Thermal Shock Resistance, points 3.4
25

Alloy Composition

Aluminum (Al), % 0 to 0.0010
84.6 to 89.5
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
0.050 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 0.5
Lead (Pb), % 56.5 to 58.5
0
Magnesium (Mg), % 0
2.1 to 3.1
Manganese (Mn), % 0
0 to 0.5
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
0 to 0.4
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 39.5 to 40.5
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0 to 0.0010
7.2 to 8.4
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15