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7021 Aluminum vs. 513.0 Aluminum

Both 7021 aluminum and 513.0 aluminum are aluminum alloys. They have a very high 96% 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 513.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
68
Elongation at Break, % 9.4
5.7
Fatigue Strength, MPa 150
97
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 26
26
Shear Strength, MPa 270
170
Tensile Strength: Ultimate (UTS), MPa 460
200
Tensile Strength: Yield (Proof), MPa 390
120

Thermal Properties

Latent Heat of Fusion, J/g 380
390
Maximum Temperature: Mechanical, °C 200
170
Melting Completion (Liquidus), °C 630
640
Melting Onset (Solidus), °C 510
590
Specific Heat Capacity, J/kg-K 870
900
Thermal Conductivity, W/m-K 150
130
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 38
34
Electrical Conductivity: Equal Weight (Specific), % IACS 120
110

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 2.9
2.7
Embodied Carbon, kg CO2/kg material 8.3
8.8
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1140
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
9.8
Resilience: Unit (Modulus of Resilience), kJ/m3 1110
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 47
50
Strength to Weight: Axial, points 44
20
Strength to Weight: Bending, points 45
28
Thermal Diffusivity, mm2/s 59
54
Thermal Shock Resistance, points 20
8.8

Alloy Composition


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Aluminum (Al), % 90.7 to 93.7
91.9 to 95.1
Chromium (Cr), % 0 to 0.050
0
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 0 to 0.4
0 to 0.4
Magnesium (Mg), % 1.2 to 1.8
3.5 to 4.5
Manganese (Mn), % 0 to 0.1
0 to 0.3
Silicon (Si), % 0 to 0.25
0 to 0.3
Titanium (Ti), % 0 to 0.1
0 to 0.2
Zinc (Zn), % 5.0 to 6.0
1.4 to 2.2
Zirconium (Zr), % 0.080 to 0.18
0
Residuals, % 0 to 0.15
0 to 0.15