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EN 1.3558 Steel vs. EN AC-43400 Aluminum

EN 1.3558 steel belongs to the iron alloys classification, while EN AC-43400 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 1.3558 steel and the bottom bar is EN AC-43400 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
80
Elastic (Young's, Tensile) Modulus, GPa 210
72
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 80
27
Tensile Strength: Ultimate (UTS), MPa 770
270

Thermal Properties

Latent Heat of Fusion, J/g 240
540
Maximum Temperature: Mechanical, °C 490
170
Melting Completion (Liquidus), °C 1810
600
Melting Onset (Solidus), °C 1760
590
Specific Heat Capacity, J/kg-K 410
900
Thermal Conductivity, W/m-K 20
140
Thermal Expansion, µm/m-K 12
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 13
32
Electrical Conductivity: Equal Weight (Specific), % IACS 12
110

Otherwise Unclassified Properties

Base Metal Price, % relative 45
9.5
Density, g/cm3 9.3
2.6
Embodied Carbon, kg CO2/kg material 8.4
7.8
Embodied Energy, MJ/kg 130
150
Embodied Water, L/kg 90
1070

Common Calculations

Stiffness to Weight: Axial, points 12
15
Stiffness to Weight: Bending, points 21
54
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 20
36
Thermal Diffusivity, mm2/s 5.3
59
Thermal Shock Resistance, points 22
12

Alloy Composition

Aluminum (Al), % 0
86 to 90.8
Carbon (C), % 0.7 to 0.8
0
Chromium (Cr), % 3.9 to 4.3
0
Copper (Cu), % 0 to 0.3
0 to 0.1
Iron (Fe), % 73.7 to 77.6
0 to 1.0
Lead (Pb), % 0
0 to 0.15
Magnesium (Mg), % 0
0.2 to 0.5
Manganese (Mn), % 0 to 0.4
0 to 0.55
Molybdenum (Mo), % 0 to 0.6
0
Nickel (Ni), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.4
9.0 to 11
Sulfur (S), % 0 to 0.015
0
Tin (Sn), % 0
0 to 0.050
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 0.15
Residuals, % 0
0 to 0.15