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A242.0 Aluminum vs. 5056 Aluminum

Both A242.0 aluminum and 5056 aluminum are aluminum alloys. They have a moderately high 93% 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 A242.0 aluminum and the bottom bar is 5056 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
67
Elongation at Break, % 1.6
4.9 to 31
Poisson's Ratio 0.33
0.33
Shear Modulus, GPa 27
25
Tensile Strength: Ultimate (UTS), MPa 220
290 to 460

Thermal Properties

Latent Heat of Fusion, J/g 390
400
Maximum Temperature: Mechanical, °C 210
190
Melting Completion (Liquidus), °C 680
640
Melting Onset (Solidus), °C 550
570
Specific Heat Capacity, J/kg-K 870
910
Thermal Conductivity, W/m-K 140
130
Thermal Expansion, µm/m-K 23
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
29
Electrical Conductivity: Equal Weight (Specific), % IACS 110
99

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.5
Density, g/cm3 3.1
2.7
Embodied Carbon, kg CO2/kg material 8.3
9.0
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1130
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
51
Strength to Weight: Axial, points 20
30 to 48
Strength to Weight: Bending, points 26
36 to 50
Thermal Diffusivity, mm2/s 52
53
Thermal Shock Resistance, points 9.3
13 to 20

Alloy Composition

Aluminum (Al), % 89.3 to 93.1
93 to 95.4
Chromium (Cr), % 0.15 to 0.25
0.050 to 0.2
Copper (Cu), % 3.7 to 4.5
0 to 0.1
Iron (Fe), % 0 to 0.8
0 to 0.4
Magnesium (Mg), % 1.2 to 1.7
4.5 to 5.6
Manganese (Mn), % 0 to 0.1
0.050 to 0.2
Nickel (Ni), % 1.8 to 2.3
0
Silicon (Si), % 0 to 0.6
0 to 0.3
Titanium (Ti), % 0.070 to 0.2
0
Zinc (Zn), % 0 to 0.1
0 to 0.1
Residuals, % 0
0 to 0.15