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6061 Aluminum vs. A242.0 Aluminum

Both 6061 aluminum and A242.0 aluminum are aluminum alloys. They have a moderately high 94% of their average alloy composition in common. There are 25 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 6061 aluminum and the bottom bar is A242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
73
Elongation at Break, % 3.4 to 20
1.6
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 26
27
Tensile Strength: Ultimate (UTS), MPa 130 to 410
220

Thermal Properties

Latent Heat of Fusion, J/g 400
390
Maximum Temperature: Mechanical, °C 170
210
Melting Completion (Liquidus), °C 650
680
Melting Onset (Solidus), °C 580
550
Specific Heat Capacity, J/kg-K 900
870
Thermal Conductivity, W/m-K 170
140
Thermal Expansion, µm/m-K 24
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 43
37
Electrical Conductivity: Equal Weight (Specific), % IACS 140
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
3.1
Embodied Carbon, kg CO2/kg material 8.3
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1180
1130

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
45
Strength to Weight: Axial, points 13 to 42
20
Strength to Weight: Bending, points 21 to 45
26
Thermal Diffusivity, mm2/s 68
52
Thermal Shock Resistance, points 5.7 to 18
9.3

Alloy Composition

Aluminum (Al), % 95.9 to 98.6
89.3 to 93.1
Chromium (Cr), % 0.040 to 0.35
0.15 to 0.25
Copper (Cu), % 0.15 to 0.4
3.7 to 4.5
Iron (Fe), % 0 to 0.7
0 to 0.8
Magnesium (Mg), % 0.8 to 1.2
1.2 to 1.7
Manganese (Mn), % 0 to 0.15
0 to 0.1
Nickel (Ni), % 0
1.8 to 2.3
Silicon (Si), % 0.4 to 0.8
0 to 0.6
Titanium (Ti), % 0 to 0.15
0.070 to 0.2
Zinc (Zn), % 0 to 0.25
0 to 0.1
Residuals, % 0
0 to 0.15