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206.0 Aluminum vs. A242.0 Aluminum

Both 206.0 aluminum and A242.0 aluminum are aluminum alloys. They have a very high 96% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is 206.0 aluminum and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 95 to 110
75
Elastic (Young's, Tensile) Modulus, GPa 71
73
Elongation at Break, % 8.4 to 12
1.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
27
Tensile Strength: Ultimate (UTS), MPa 330 to 440
220

Thermal Properties

Latent Heat of Fusion, J/g 390
390
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
680
Melting Onset (Solidus), °C 570
550
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 120
140
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 33
37
Electrical Conductivity: Equal Weight (Specific), % IACS 99
110

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.0
3.1
Embodied Carbon, kg CO2/kg material 8.0
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1150
1130

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 46
45
Strength to Weight: Axial, points 30 to 40
20
Strength to Weight: Bending, points 35 to 42
26
Thermal Diffusivity, mm2/s 46
52
Thermal Shock Resistance, points 17 to 23
9.3

Alloy Composition

Aluminum (Al), % 93.3 to 95.3
89.3 to 93.1
Chromium (Cr), % 0
0.15 to 0.25
Copper (Cu), % 4.2 to 5.0
3.7 to 4.5
Iron (Fe), % 0 to 0.15
0 to 0.8
Magnesium (Mg), % 0.15 to 0.35
1.2 to 1.7
Manganese (Mn), % 0.2 to 0.5
0 to 0.1
Nickel (Ni), % 0 to 0.050
1.8 to 2.3
Silicon (Si), % 0 to 0.1
0 to 0.6
Tin (Sn), % 0 to 0.050
0
Titanium (Ti), % 0.15 to 0.3
0.070 to 0.2
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.15