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7022 Aluminum vs. ASTM A182 Grade F23

7022 aluminum belongs to the aluminum alloys classification, while ASTM A182 grade F23 belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 ASTM A182 grade F23.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.3 to 8.0
22
Fatigue Strength, MPa 140 to 170
320
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
74
Shear Strength, MPa 290 to 320
360
Tensile Strength: Ultimate (UTS), MPa 490 to 540
570
Tensile Strength: Yield (Proof), MPa 390 to 460
460

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 200
450
Melting Completion (Liquidus), °C 640
1500
Melting Onset (Solidus), °C 480
1450
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140
41
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 65
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
7.0
Density, g/cm3 2.9
8.0
Embodied Carbon, kg CO2/kg material 8.5
2.5
Embodied Energy, MJ/kg 150
36
Embodied Water, L/kg 1130
59

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
550
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 Diffusivity, mm2/s 54
11
Thermal Shock Resistance, points 21 to 23
17

Alloy Composition

Aluminum (Al), % 87.9 to 92.4
0 to 0.030
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0
0.040 to 0.1
Chromium (Cr), % 0.1 to 0.3
1.9 to 2.6
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 0 to 0.5
93.2 to 96.2
Magnesium (Mg), % 2.6 to 3.7
0
Manganese (Mn), % 0.1 to 0.4
0.1 to 0.6
Molybdenum (Mo), % 0
0.050 to 0.3
Nickel (Ni), % 0
0 to 0.4
Niobium (Nb), % 0
0.020 to 0.080
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0.0050 to 0.060
Tungsten (W), % 0
1.5 to 1.8
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 4.3 to 5.2
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0