MakeItFrom.com
Menu (ESC)

7022 Aluminum vs. AWS E320LR

7022 aluminum belongs to the aluminum alloys classification, while AWS E320LR belongs to the iron alloys. There are 20 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is 7022 aluminum and the bottom bar is AWS E320LR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 6.3 to 8.0
34
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 490 to 540
580

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Melting Completion (Liquidus), °C 640
1410
Melting Onset (Solidus), °C 480
1360
Specific Heat Capacity, J/kg-K 870
460
Thermal Expansion, µm/m-K 24
14

Otherwise Unclassified Properties

Base Metal Price, % relative 10
36
Density, g/cm3 2.9
8.2
Embodied Carbon, kg CO2/kg material 8.5
6.2
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 1130
220

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 47 to 51
20
Strength to Weight: Bending, points 47 to 50
19
Thermal Shock Resistance, points 21 to 23
15

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.1 to 0.3
19 to 21
Copper (Cu), % 0.5 to 1.0
3.0 to 4.0
Iron (Fe), % 0 to 0.5
32.7 to 42.5
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
1.5 to 2.5
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
32 to 36
Niobium (Nb), % 0
0 to 0.4
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 4.3 to 5.2
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0