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A413.0 Aluminum vs. 7021 Aluminum

Both A413.0 aluminum and 7021 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 A413.0 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, % 3.5
9.4
Fatigue Strength, MPa 130
150
Poisson's Ratio 0.33
0.32
Shear Modulus, GPa 27
26
Shear Strength, MPa 170
270
Tensile Strength: Ultimate (UTS), MPa 240
460
Tensile Strength: Yield (Proof), MPa 130
390

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.6
2.9
Embodied Carbon, kg CO2/kg material 7.6
8.3
Embodied Energy, MJ/kg 140
150
Embodied Water, L/kg 1040
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 7.1
41
Resilience: Unit (Modulus of Resilience), kJ/m3 120
1110
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 54
47
Strength to Weight: Axial, points 25
44
Strength to Weight: Bending, points 33
45
Thermal Diffusivity, mm2/s 52
59
Thermal Shock Resistance, points 11
20

Alloy Composition

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