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3303 Aluminum vs. Solder Alloy 503

3303 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 3303 aluminum and the bottom bar is solder alloy 503.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
54
Elongation at Break, % 23
30
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
20
Tensile Strength: Ultimate (UTS), MPa 110
57

Thermal Properties

Latent Heat of Fusion, J/g 400
69
Melting Completion (Liquidus), °C 650
380
Melting Onset (Solidus), °C 620
220
Specific Heat Capacity, J/kg-K 900
230
Thermal Conductivity, W/m-K 170
61
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
14
Electrical Conductivity: Equal Weight (Specific), % IACS 140
17

Otherwise Unclassified Properties

Density, g/cm3 2.8
7.5
Embodied Carbon, kg CO2/kg material 8.1
16
Embodied Energy, MJ/kg 150
270

Common Calculations

Stiffness to Weight: Axial, points 14
4.1
Stiffness to Weight: Bending, points 49
17
Strength to Weight: Axial, points 11
2.1
Strength to Weight: Bending, points 18
4.4
Thermal Diffusivity, mm2/s 67
35
Thermal Shock Resistance, points 4.8
3.5

Alloy Composition

Aluminum (Al), % 96.6 to 99
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
Copper (Cu), % 0.050 to 0.2
5.5 to 6.5
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.7
0 to 0.020
Lead (Pb), % 0
0 to 0.070
Manganese (Mn), % 1.0 to 1.5
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 0 to 0.6
0
Silver (Ag), % 0
1.8 to 2.2
Tin (Sn), % 0
90.8 to 92.7
Zinc (Zn), % 0 to 0.3
0 to 0.0010
Residuals, % 0 to 0.15
0