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EN AC-44200 Aluminum vs. Solder Alloy 123

EN AC-44200 aluminum belongs to the aluminum alloys classification, while solder alloy 123 belongs to the otherwise unclassified metals. There are 25 material properties with values for both materials. Properties with values for just one material (5, 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-44200 aluminum and the bottom bar is solder alloy 123.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 60
8.0
Elastic (Young's, Tensile) Modulus, GPa 72
18
Elongation at Break, % 6.2
45
Poisson's Ratio 0.33
0.44
Shear Modulus, GPa 27
6.2
Tensile Strength: Ultimate (UTS), MPa 180
28

Thermal Properties

Latent Heat of Fusion, J/g 570
26
Melting Completion (Liquidus), °C 590
310
Melting Onset (Solidus), °C 580
300
Specific Heat Capacity, J/kg-K 910
130
Thermal Conductivity, W/m-K 130
23
Thermal Expansion, µm/m-K 21
29

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
8.8
Electrical Conductivity: Equal Weight (Specific), % IACS 130
7.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.5
11
Embodied Carbon, kg CO2/kg material 7.7
4.5
Embodied Energy, MJ/kg 140
74
Embodied Water, L/kg 1050
500

Common Calculations

Stiffness to Weight: Axial, points 16
0.9
Stiffness to Weight: Bending, points 55
7.8
Strength to Weight: Axial, points 20
0.69
Strength to Weight: Bending, points 28
1.8
Thermal Diffusivity, mm2/s 59
16
Thermal Shock Resistance, points 8.4
3.8

Alloy Composition

Aluminum (Al), % 85.2 to 89.5
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.1
Cadmium (Cd), % 0
0 to 0.0050
Copper (Cu), % 0 to 0.050
0 to 0.080
Gold (Au), % 0
0 to 0.050
Indium (In), % 0
0 to 0.1
Iron (Fe), % 0 to 0.55
0 to 0.020
Lead (Pb), % 0
93.5 to 95.5
Manganese (Mn), % 0 to 0.35
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 10.5 to 13.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
4.5 to 5.5
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.1
0 to 0.0010
Residuals, % 0 to 0.15
0