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5456 Aluminum vs. EN 1.3558 Steel

5456 aluminum belongs to the aluminum alloys classification, while EN 1.3558 steel belongs to the iron 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 5456 aluminum and the bottom bar is EN 1.3558 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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