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EN AC-45300 Aluminum vs. Solder Alloy 142

EN AC-45300 aluminum belongs to the aluminum alloys classification, while solder alloy 142 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-45300 aluminum and the bottom bar is solder alloy 142.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
33
Elongation at Break, % 1.0 to 2.8
37
Poisson's Ratio 0.33
0.4
Shear Modulus, GPa 27
12
Tensile Strength: Ultimate (UTS), MPa 220 to 290
43

Thermal Properties

Latent Heat of Fusion, J/g 470
42
Melting Completion (Liquidus), °C 630
210
Melting Onset (Solidus), °C 590
180
Specific Heat Capacity, J/kg-K 890
170
Thermal Conductivity, W/m-K 150
45
Thermal Expansion, µm/m-K 22
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
11
Electrical Conductivity: Equal Weight (Specific), % IACS 120
11

Otherwise Unclassified Properties

Density, g/cm3 2.7
9.3
Embodied Carbon, kg CO2/kg material 8.0
9.4
Embodied Energy, MJ/kg 150
160
Embodied Water, L/kg 1120
890

Common Calculations

Stiffness to Weight: Axial, points 14
2.0
Stiffness to Weight: Bending, points 50
11
Strength to Weight: Axial, points 23 to 29
1.3
Strength to Weight: Bending, points 30 to 35
2.9
Thermal Diffusivity, mm2/s 60
28
Thermal Shock Resistance, points 10 to 13
3.7

Alloy Composition

Aluminum (Al), % 90.2 to 94.2
0 to 0.0010
Antimony (Sb), % 0
0 to 0.2
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
2.5 to 3.5
Cadmium (Cd), % 0
0 to 0.0020
Copper (Cu), % 1.0 to 1.5
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 0.15
47.4 to 50
Magnesium (Mg), % 0.35 to 0.65
0
Manganese (Mn), % 0 to 0.55
0
Nickel (Ni), % 0 to 0.25
0 to 0.010
Silicon (Si), % 4.5 to 5.5
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0 to 0.050
47.5 to 48.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0 to 0.0010
Residuals, % 0 to 0.15
0