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EN AC-51500 Aluminum vs. Solder Alloy 122

EN AC-51500 aluminum belongs to the aluminum alloys classification, while solder alloy 122 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-51500 aluminum and the bottom bar is solder alloy 122.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 80
10
Elastic (Young's, Tensile) Modulus, GPa 68
20
Elongation at Break, % 5.6
30
Poisson's Ratio 0.33
0.43
Shear Modulus, GPa 26
6.9
Tensile Strength: Ultimate (UTS), MPa 280
30

Thermal Properties

Latent Heat of Fusion, J/g 430
27
Melting Completion (Liquidus), °C 630
300
Melting Onset (Solidus), °C 590
270
Specific Heat Capacity, J/kg-K 910
140
Thermal Conductivity, W/m-K 120
25
Thermal Expansion, µm/m-K 23
28

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 26
8.9
Electrical Conductivity: Equal Weight (Specific), % IACS 88
7.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
75
Density, g/cm3 2.6
11
Embodied Carbon, kg CO2/kg material 9.0
5.0
Embodied Energy, MJ/kg 150
84
Embodied Water, L/kg 1150
540

Common Calculations

Stiffness to Weight: Axial, points 14
1.0
Stiffness to Weight: Bending, points 52
8.2
Strength to Weight: Axial, points 29
0.77
Strength to Weight: Bending, points 36
2.0
Thermal Diffusivity, mm2/s 49
17
Thermal Shock Resistance, points 13
3.9

Alloy Composition

Aluminum (Al), % 89.8 to 93.1
0 to 0.0010
Antimony (Sb), % 0
0 to 0.5
Arsenic (As), % 0
0 to 0.030
Bismuth (Bi), % 0
0 to 0.25
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 0.25
0 to 0.020
Lead (Pb), % 0
88.4 to 90.5
Magnesium (Mg), % 4.7 to 6.0
0
Manganese (Mn), % 0.4 to 0.8
0
Nickel (Ni), % 0
0 to 0.010
Silicon (Si), % 1.8 to 2.6
0
Silver (Ag), % 0
0 to 0.1
Tin (Sn), % 0
9.5 to 10.5
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.070
0 to 0.0010
Residuals, % 0 to 0.15
0