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6106 Aluminum vs. Solder Alloy 503

6106 aluminum belongs to the aluminum alloys classification, while solder alloy 503 belongs to the otherwise unclassified metals. There are 22 material properties with values for both materials. Properties with values for just one material (8, 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 6106 aluminum and the bottom bar is solder alloy 503.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
54
Elongation at Break, % 9.1
30
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
20
Tensile Strength: Ultimate (UTS), MPa 290
57

Thermal Properties

Latent Heat of Fusion, J/g 400
69
Melting Completion (Liquidus), °C 660
380
Melting Onset (Solidus), °C 610
220
Specific Heat Capacity, J/kg-K 900
230
Thermal Conductivity, W/m-K 190
61
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 49
14
Electrical Conductivity: Equal Weight (Specific), % IACS 160
17

Otherwise Unclassified Properties

Density, g/cm3 2.7
7.5
Embodied Carbon, kg CO2/kg material 8.3
16
Embodied Energy, MJ/kg 150
270

Common Calculations

Stiffness to Weight: Axial, points 14
4.1
Stiffness to Weight: Bending, points 50
17
Strength to Weight: Axial, points 29
2.1
Strength to Weight: Bending, points 35
4.4
Thermal Diffusivity, mm2/s 78
35
Thermal Shock Resistance, points 13
3.5

Alloy Composition

Aluminum (Al), % 97.2 to 99.3
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.080
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.2
0
Copper (Cu), % 0 to 0.25
5.5 to 6.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.35
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Magnesium (Mg), % 0.4 to 0.8
0
Manganese (Mn), % 0.050 to 0.2
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0.3 to 0.6
0
Silver (Ag), % 0
1.8 to 2.2
Tin (Sn), % 0
90.8 to 92.7
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.15
0 to 0.0010
Residuals, % 0 to 0.15
0