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7021 Aluminum vs. A413.0 Aluminum

Both 7021 aluminum and A413.0 aluminum are aluminum alloys. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is 7021 aluminum and the bottom bar is A413.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
73
Elongation at Break, % 9.4
3.5
Fatigue Strength, MPa 150
130
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
27
Shear Strength, MPa 270
170
Tensile Strength: Ultimate (UTS), MPa 460
240
Tensile Strength: Yield (Proof), MPa 390
130

Thermal Properties

Latent Heat of Fusion, J/g 380
570
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 630
590
Melting Onset (Solidus), °C 510
580
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
120
Thermal Expansion, µm/m-K 24
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
31
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.6
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
7.1
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
120
Stiffness to Weight: Axial, points 13
16
Stiffness to Weight: Bending, points 47
54
Strength to Weight: Axial, points 44
25
Strength to Weight: Bending, points 45
33
Thermal Diffusivity, mm2/s 59
52
Thermal Shock Resistance, points 20
11

Alloy Composition

Aluminum (Al), % 90.7 to 93.7
82.9 to 89
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 0 to 0.25
0 to 1.0
Iron (Fe), % 0 to 0.4
0 to 1.3
Magnesium (Mg), % 1.2 to 1.8
0 to 0.1
Manganese (Mn), % 0 to 0.1
0 to 0.35
Nickel (Ni), % 0
0 to 0.5
Silicon (Si), % 0 to 0.25
11 to 13
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0 to 0.1
0
Zinc (Zn), % 5.0 to 6.0
0 to 0.5
Zirconium (Zr), % 0.080 to 0.18
0
Residuals, % 0
0 to 0.25