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Solder Alloy 801 vs. 4115 Aluminum

Solder alloy 801 belongs to the otherwise unclassified metals classification, while 4115 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (7, 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 801 and the bottom bar is 4115 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 22
38 to 68
Elastic (Young's, Tensile) Modulus, GPa 53
70
Elongation at Break, % 33
1.1 to 11
Poisson's Ratio 0.35
0.33
Shear Modulus, GPa 20
26
Tensile Strength: Ultimate (UTS), MPa 55
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 64
420
Melting Completion (Liquidus), °C 200
640
Melting Onset (Solidus), °C 200
590
Specific Heat Capacity, J/kg-K 240
900
Thermal Conductivity, W/m-K 61
160
Thermal Expansion, µm/m-K 22
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
41
Electrical Conductivity: Equal Weight (Specific), % IACS 19
140

Otherwise Unclassified Properties

Density, g/cm3 7.2
2.7
Embodied Carbon, kg CO2/kg material 14
8.1
Embodied Energy, MJ/kg 240
150
Embodied Water, L/kg 1140
1160

Common Calculations

Stiffness to Weight: Axial, points 4.1
14
Stiffness to Weight: Bending, points 17
50
Strength to Weight: Axial, points 2.1
12 to 23
Strength to Weight: Bending, points 4.4
20 to 30
Thermal Diffusivity, mm2/s 36
66
Thermal Shock Resistance, points 3.3
5.2 to 9.9

Alloy Composition

Aluminum (Al), % 0 to 0.0010
94.6 to 97.4
Antimony (Sb), % 0 to 0.1
0
Arsenic (As), % 0 to 0.030
0
Bismuth (Bi), % 0 to 0.1
0
Cadmium (Cd), % 0 to 0.0020
0
Copper (Cu), % 0 to 0.050
0.1 to 0.5
Gold (Au), % 0 to 0.050
0
Indium (In), % 0 to 0.1
0
Iron (Fe), % 0 to 0.020
0 to 0.7
Lead (Pb), % 0 to 0.070
0
Magnesium (Mg), % 0
0.1 to 0.5
Manganese (Mn), % 0
0.6 to 1.2
Nickel (Ni), % 0 to 0.010
0
Silicon (Si), % 0
1.8 to 2.2
Silver (Ag), % 0 to 0.1
0
Tin (Sn), % 89.9 to 91.5
0
Zinc (Zn), % 8.5 to 9.5
0 to 0.2
Residuals, % 0
0 to 0.15