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7021 Aluminum vs. EN AC-46000 Aluminum

Both 7021 aluminum and EN AC-46000 aluminum are aluminum alloys. They have 86% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is 7021 aluminum and the bottom bar is EN AC-46000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
73
Elongation at Break, % 9.4
1.0
Fatigue Strength, MPa 150
110
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
28
Tensile Strength: Ultimate (UTS), MPa 460
270
Tensile Strength: Yield (Proof), MPa 390
160

Thermal Properties

Latent Heat of Fusion, J/g 380
530
Maximum Temperature: Mechanical, °C 200
180
Melting Completion (Liquidus), °C 630
620
Melting Onset (Solidus), °C 510
530
Specific Heat Capacity, J/kg-K 870
880
Thermal Conductivity, W/m-K 150
100
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
26
Electrical Conductivity: Equal Weight (Specific), % IACS 120
82

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
10
Density, g/cm3 2.9
2.8
Embodied Carbon, kg CO2/kg material 8.3
7.6
Embodied Energy, MJ/kg 150
140
Embodied Water, L/kg 1140
1040

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
2.3
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
49
Strength to Weight: Axial, points 44
26
Strength to Weight: Bending, points 45
33
Thermal Diffusivity, mm2/s 59
42
Thermal Shock Resistance, points 20
12

Alloy Composition

Aluminum (Al), % 90.7 to 93.7
79.7 to 90
Chromium (Cr), % 0 to 0.050
0 to 0.15
Copper (Cu), % 0 to 0.25
2.0 to 4.0
Iron (Fe), % 0 to 0.4
0 to 1.3
Lead (Pb), % 0
0 to 0.35
Magnesium (Mg), % 1.2 to 1.8
0.050 to 0.55
Manganese (Mn), % 0 to 0.1
0 to 0.55
Nickel (Ni), % 0
0 to 0.55
Silicon (Si), % 0 to 0.25
8.0 to 11
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.1
0 to 0.25
Zinc (Zn), % 5.0 to 6.0
0 to 1.2
Zirconium (Zr), % 0.080 to 0.18
0
Residuals, % 0
0 to 0.25