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EN AC-46200 Aluminum vs. 7021 Aluminum

Both EN AC-46200 aluminum and 7021 aluminum are aluminum alloys. They have 88% 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 EN AC-46200 aluminum and the bottom bar is 7021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 73
69
Elongation at Break, % 1.1
9.4
Fatigue Strength, MPa 87
150
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 210
460
Tensile Strength: Yield (Proof), MPa 130
390

Thermal Properties

Latent Heat of Fusion, J/g 510
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 620
630
Melting Onset (Solidus), °C 540
510
Specific Heat Capacity, J/kg-K 880
870
Thermal Conductivity, W/m-K 110
150
Thermal Expansion, µm/m-K 22
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
38
Electrical Conductivity: Equal Weight (Specific), % IACS 88
120

Otherwise Unclassified Properties

Base Metal Price, % relative 10
9.5
Density, g/cm3 2.8
2.9
Embodied Carbon, kg CO2/kg material 7.7
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1060
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.0
41
Resilience: Unit (Modulus of Resilience), kJ/m3 110
1110
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
47
Strength to Weight: Axial, points 21
44
Strength to Weight: Bending, points 28
45
Thermal Diffusivity, mm2/s 44
59
Thermal Shock Resistance, points 9.5
20

Alloy Composition

Aluminum (Al), % 82.6 to 90.3
90.7 to 93.7
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 2.0 to 3.5
0 to 0.25
Iron (Fe), % 0 to 0.8
0 to 0.4
Lead (Pb), % 0 to 0.25
0
Magnesium (Mg), % 0.050 to 0.55
1.2 to 1.8
Manganese (Mn), % 0.15 to 0.65
0 to 0.1
Nickel (Ni), % 0 to 0.35
0
Silicon (Si), % 7.5 to 9.5
0 to 0.25
Tin (Sn), % 0 to 0.15
0
Titanium (Ti), % 0 to 0.25
0 to 0.1
Zinc (Zn), % 0 to 1.2
5.0 to 6.0
Zirconium (Zr), % 0
0.080 to 0.18
Residuals, % 0
0 to 0.15