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2007 Aluminum vs. Solder Alloy 191

2007 aluminum belongs to the aluminum alloys classification, while solder alloy 191 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 2007 aluminum and the bottom bar is solder alloy 191.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
19
Elongation at Break, % 5.6 to 8.0
32
Poisson's Ratio 0.33
0.43
Shear Modulus, GPa 27
6.5
Tensile Strength: Ultimate (UTS), MPa 370 to 420
29

Thermal Properties

Latent Heat of Fusion, J/g 390
27
Melting Completion (Liquidus), °C 640
300
Melting Onset (Solidus), °C 510
300
Specific Heat Capacity, J/kg-K 870
130
Thermal Conductivity, W/m-K 130
24
Thermal Expansion, µm/m-K 23
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 47
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 140
7.2

Otherwise Unclassified Properties

Density, g/cm3 3.1
11
Embodied Carbon, kg CO2/kg material 8.0
5.8
Embodied Energy, MJ/kg 150
95

Common Calculations

Stiffness to Weight: Axial, points 13
0.93
Stiffness to Weight: Bending, points 44
8.0
Strength to Weight: Axial, points 33 to 38
0.72
Strength to Weight: Bending, points 37 to 40
1.9
Thermal Diffusivity, mm2/s 48
16
Thermal Shock Resistance, points 16 to 19
3.9

Alloy Composition

Aluminum (Al), % 87.5 to 95
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0 to 0.2
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0020
Chromium (Cr), % 0 to 0.1
0
Copper (Cu), % 3.3 to 4.6
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.8
0 to 0.020
Lead (Pb), % 0.8 to 1.5
92.4 to 94
Magnesium (Mg), % 0.4 to 1.8
0
Manganese (Mn), % 0.5 to 1.0
0
Nickel (Ni), % 0 to 0.2
0 to 0.010
Silicon (Si), % 0 to 0.8
0
Silver (Ag), % 0
1.2 to 1.8
Tin (Sn), % 0 to 0.2
4.8 to 5.2
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.8
0 to 0.0010
Residuals, % 0 to 0.3
0