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EN 1.7323 Steel vs. 5754 Aluminum

EN 1.7323 steel belongs to the iron alloys classification, while 5754 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 EN 1.7323 steel and the bottom bar is 5754 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
52 to 88
Elastic (Young's, Tensile) Modulus, GPa 190
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
26
Tensile Strength: Ultimate (UTS), MPa 480 to 1460
200 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
400
Maximum Temperature: Mechanical, °C 410
190
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
600
Specific Heat Capacity, J/kg-K 470
900
Thermal Conductivity, W/m-K 45
130
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
110

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
9.5
Density, g/cm3 7.9
2.7
Embodied Carbon, kg CO2/kg material 1.5
8.7
Embodied Energy, MJ/kg 20
150
Embodied Water, L/kg 50
1180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 17 to 52
21 to 34
Strength to Weight: Bending, points 17 to 36
28 to 39
Thermal Diffusivity, mm2/s 12
54
Thermal Shock Resistance, points 14 to 43
8.9 to 14

Alloy Composition

Aluminum (Al), % 0
94.2 to 97.4
Carbon (C), % 0.17 to 0.23
0
Chromium (Cr), % 0.3 to 0.6
0 to 0.3
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 97.1 to 98.4
0 to 0.4
Magnesium (Mg), % 0
2.6 to 3.6
Manganese (Mn), % 0.7 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.4 to 0.5
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0.020 to 0.040
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.2
Residuals, % 0
0 to 0.15