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240.0 Aluminum vs. SAE-AISI 1023 Steel

240.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI 1023 steel belongs to the iron alloys. There are 29 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 240.0 aluminum and the bottom bar is SAE-AISI 1023 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Elongation at Break, % 1.0
17 to 29
Fatigue Strength, MPa 140
180 to 270
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 240
430 to 480
Tensile Strength: Yield (Proof), MPa 200
240 to 410

Thermal Properties

Latent Heat of Fusion, J/g 380
250
Maximum Temperature: Mechanical, °C 180
400
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 520
1420
Specific Heat Capacity, J/kg-K 860
470
Thermal Conductivity, W/m-K 96
53
Thermal Expansion, µm/m-K 22
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 65
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 3.2
7.9
Embodied Carbon, kg CO2/kg material 8.7
1.4
Embodied Energy, MJ/kg 150
18
Embodied Water, L/kg 1100
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 2.2
77 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 280
150 to 450
Stiffness to Weight: Axial, points 12
13
Stiffness to Weight: Bending, points 43
24
Strength to Weight: Axial, points 20
15 to 17
Strength to Weight: Bending, points 26
16 to 17
Thermal Diffusivity, mm2/s 35
14
Thermal Shock Resistance, points 11
14 to 15

Alloy Composition

Aluminum (Al), % 81.7 to 86.9
0
Carbon (C), % 0
0.2 to 0.25
Copper (Cu), % 7.0 to 9.0
0
Iron (Fe), % 0 to 0.5
99.06 to 99.5
Magnesium (Mg), % 5.5 to 6.5
0
Manganese (Mn), % 0.3 to 0.7
0.3 to 0.6
Nickel (Ni), % 0.3 to 0.7
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0
0 to 0.050
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0