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EN 1.3558 Steel vs. 5456 Aluminum

EN 1.3558 steel belongs to the iron alloys classification, while 5456 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, 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 1.3558 steel and the bottom bar is 5456 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 770
320 to 340

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Maximum Temperature: Mechanical, °C 490
190
Melting Completion (Liquidus), °C 1810
640
Melting Onset (Solidus), °C 1760
570
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 20
120
Thermal Expansion, µm/m-K 12
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
29
Electrical Conductivity: Equal Weight (Specific), % IACS 12
97

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.5
Density, g/cm3 9.3
2.7
Embodied Carbon, kg CO2/kg material 8.4
9.0
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 90
1170

Common Calculations

Stiffness to Weight: Axial, points 12
14
Stiffness to Weight: Bending, points 21
50
Strength to Weight: Axial, points 23
33 to 35
Strength to Weight: Bending, points 20
38 to 40
Thermal Diffusivity, mm2/s 5.3
48
Thermal Shock Resistance, points 22
14 to 15

Alloy Composition

Aluminum (Al), % 0
92 to 94.8
Carbon (C), % 0.7 to 0.8
0
Chromium (Cr), % 3.9 to 4.3
0.050 to 0.2
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 73.7 to 77.6
0 to 0.4
Magnesium (Mg), % 0
4.7 to 5.5
Manganese (Mn), % 0 to 0.4
0.5 to 1.0
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
0 to 0.25
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0
0 to 0.2
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.0 to 1.3
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15