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7022 Aluminum vs. ASTM A283 Carbon Steel

7022 aluminum belongs to the aluminum alloys classification, while ASTM A283 carbon steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 A283 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 6.3 to 8.0
26 to 34
Fatigue Strength, MPa 140 to 170
150 to 190
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 26
73
Shear Strength, MPa 290 to 320
240 to 310
Tensile Strength: Ultimate (UTS), MPa 490 to 540
360 to 480
Tensile Strength: Yield (Proof), MPa 390 to 460
180 to 260

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 480
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 140
51 to 53
Thermal Expansion, µm/m-K 24
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 65
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
1.8
Density, g/cm3 2.9
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 8.5
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 40
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1100 to 1500
91 to 180
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
24
Strength to Weight: Axial, points 47 to 51
13 to 17
Strength to Weight: Bending, points 47 to 50
14 to 17
Thermal Diffusivity, mm2/s 54
14
Thermal Shock Resistance, points 21 to 23
11 to 15