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3005 Aluminum vs. Solder Alloy 704

3005 aluminum belongs to the aluminum alloys classification, while solder alloy 704 belongs to the otherwise unclassified metals. There are 23 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 3005 aluminum and the bottom bar is solder alloy 704.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 33 to 73
14
Elastic (Young's, Tensile) Modulus, GPa 70
51
Elongation at Break, % 1.1 to 16
30
Poisson's Ratio 0.33
0.36
Shear Modulus, GPa 26
19
Tensile Strength: Ultimate (UTS), MPa 140 to 270
55

Thermal Properties

Latent Heat of Fusion, J/g 400
62
Melting Completion (Liquidus), °C 660
240
Melting Onset (Solidus), °C 640
220
Specific Heat Capacity, J/kg-K 900
220
Thermal Conductivity, W/m-K 160
50
Thermal Expansion, µm/m-K 23
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 42
13
Electrical Conductivity: Equal Weight (Specific), % IACS 140
15

Otherwise Unclassified Properties

Density, g/cm3 2.8
7.5
Embodied Carbon, kg CO2/kg material 8.2
19
Embodied Energy, MJ/kg 150
320

Common Calculations

Stiffness to Weight: Axial, points 14
3.8
Stiffness to Weight: Bending, points 49
17
Strength to Weight: Axial, points 14 to 27
2.1
Strength to Weight: Bending, points 21 to 33
4.3
Thermal Diffusivity, mm2/s 64
30
Thermal Shock Resistance, points 6.0 to 12
3.5

Alloy Composition

Aluminum (Al), % 95.7 to 98.8
0 to 0.0010
Antimony (Sb), % 0
0 to 0.1
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 0 to 0.3
0 to 0.050
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
Magnesium (Mg), % 0.2 to 0.6
0
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
4.8 to 5.2
Tin (Sn), % 0
94.3 to 95.2
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 0 to 0.25
0 to 0.0010
Residuals, % 0 to 0.15
0