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6023 Aluminum vs. ACI-ASTM CE8MN Steel

6023 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CE8MN 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 6023 aluminum and the bottom bar is ACI-ASTM CE8MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 11
29
Fatigue Strength, MPa 120 to 130
370
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
80
Tensile Strength: Ultimate (UTS), MPa 360
750
Tensile Strength: Yield (Proof), MPa 300 to 310
500

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 160
1100
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 580
1400
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 170
16
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 45
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 140
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
21
Density, g/cm3 2.8
7.8
Embodied Carbon, kg CO2/kg material 8.3
4.2
Embodied Energy, MJ/kg 150
58
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 39
190
Resilience: Unit (Modulus of Resilience), kJ/m3 670 to 690
620
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 49
25
Strength to Weight: Axial, points 35 to 36
27
Strength to Weight: Bending, points 40
23
Thermal Diffusivity, mm2/s 67
4.2
Thermal Shock Resistance, points 16
21

Alloy Composition

Aluminum (Al), % 94 to 97.7
0
Bismuth (Bi), % 0.3 to 0.8
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
22.5 to 25.5
Copper (Cu), % 0.2 to 0.5
0
Iron (Fe), % 0 to 0.5
56 to 66.4
Magnesium (Mg), % 0.4 to 0.9
0
Manganese (Mn), % 0.2 to 0.6
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.5
Nickel (Ni), % 0
8.0 to 11
Nitrogen (N), % 0
0.1 to 0.3
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.6 to 1.4
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Tin (Sn), % 0.6 to 1.2
0
Residuals, % 0 to 0.15
0