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EN AC-44100 Aluminum vs. Solder Alloy 104

EN AC-44100 aluminum belongs to the aluminum alloys classification, while solder alloy 104 belongs to the otherwise unclassified metals. There are 23 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 EN AC-44100 aluminum and the bottom bar is solder alloy 104.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
37
Elongation at Break, % 4.9
46
Poisson's Ratio 0.33
0.39
Shear Modulus, GPa 27
13
Tensile Strength: Ultimate (UTS), MPa 180
51

Thermal Properties

Latent Heat of Fusion, J/g 570
45
Melting Completion (Liquidus), °C 590
190
Melting Onset (Solidus), °C 580
180
Specific Heat Capacity, J/kg-K 900
180
Thermal Conductivity, W/m-K 130
50
Thermal Expansion, µm/m-K 21
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 34
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
11

Otherwise Unclassified Properties

Density, g/cm3 2.5
8.9
Embodied Carbon, kg CO2/kg material 7.7
10
Embodied Energy, MJ/kg 140
180
Embodied Water, L/kg 1050
900

Common Calculations

Stiffness to Weight: Axial, points 16
2.3
Stiffness to Weight: Bending, points 55
12
Strength to Weight: Axial, points 19
1.6
Strength to Weight: Bending, points 27
3.4
Thermal Diffusivity, mm2/s 58
30
Thermal Shock Resistance, points 8.2
4.0

Alloy Composition


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Aluminum (Al), % 84.4 to 89.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.050
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.050
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 0 to 0.15
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.65
0 to 0.020
Lead (Pb), % 0 to 0.1
39 to 40.5
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.1
0 to 0.010
Silicon (Si), % 10.5 to 13.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
59.5 to 60.5
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.15
0 to 0.0010
Residuals, % 0 to 0.15
0