MakeItFrom.com
Menu (ESC)

711.0 Aluminum vs. 7021 Aluminum

Both 711.0 aluminum and 7021 aluminum are aluminum alloys. They have a very high 98% 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 711.0 aluminum and the bottom bar is 7021 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
69
Elongation at Break, % 7.8
9.4
Fatigue Strength, MPa 100
150
Poisson's Ratio 0.32
0.32
Shear Modulus, GPa 27
26
Tensile Strength: Ultimate (UTS), MPa 220
460
Tensile Strength: Yield (Proof), MPa 140
390

Thermal Properties

Latent Heat of Fusion, J/g 380
380
Maximum Temperature: Mechanical, °C 170
200
Melting Completion (Liquidus), °C 640
630
Melting Onset (Solidus), °C 610
510
Specific Heat Capacity, J/kg-K 860
870
Thermal Conductivity, W/m-K 160
150
Thermal Expansion, µm/m-K 24
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
38
Electrical Conductivity: Equal Weight (Specific), % IACS 120
120

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
9.5
Density, g/cm3 3.0
2.9
Embodied Carbon, kg CO2/kg material 7.9
8.3
Embodied Energy, MJ/kg 150
150
Embodied Water, L/kg 1120
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
41
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
47
Strength to Weight: Axial, points 20
44
Strength to Weight: Bending, points 26
45
Thermal Diffusivity, mm2/s 61
59
Thermal Shock Resistance, points 9.3
20

Alloy Composition

Aluminum (Al), % 89.8 to 92.7
90.7 to 93.7
Chromium (Cr), % 0
0 to 0.050
Copper (Cu), % 0.35 to 0.65
0 to 0.25
Iron (Fe), % 0.7 to 1.4
0 to 0.4
Magnesium (Mg), % 0.25 to 0.45
1.2 to 1.8
Manganese (Mn), % 0 to 0.050
0 to 0.1
Silicon (Si), % 0 to 0.3
0 to 0.25
Titanium (Ti), % 0 to 0.2
0 to 0.1
Zinc (Zn), % 6.0 to 7.0
5.0 to 6.0
Zirconium (Zr), % 0
0.080 to 0.18
Residuals, % 0
0 to 0.15