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EN 1.3555 Steel vs. EN AC-45000 Aluminum

EN 1.3555 steel belongs to the iron alloys classification, while EN AC-45000 aluminum belongs to the aluminum alloys. There are 23 material properties with values for both materials. Properties with values for just one material (8, 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 1.3555 steel and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
77
Elastic (Young's, Tensile) Modulus, GPa 190
73
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 770
180

Thermal Properties

Latent Heat of Fusion, J/g 260
470
Maximum Temperature: Mechanical, °C 540
180
Melting Completion (Liquidus), °C 1500
640
Melting Onset (Solidus), °C 1450
520
Specific Heat Capacity, J/kg-K 460
870
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 11
81

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 5.6
7.7
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 90
1070

Common Calculations

Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 23
24
Thermal Shock Resistance, points 22
8.0

Alloy Composition

Aluminum (Al), % 0
82.2 to 91.8
Carbon (C), % 0.1 to 0.15
0
Chromium (Cr), % 3.9 to 4.3
0 to 0.15
Copper (Cu), % 0 to 0.1
3.0 to 5.0
Iron (Fe), % 85.4 to 87.7
0 to 1.0
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0.15 to 0.35
0.2 to 0.65
Molybdenum (Mo), % 4.0 to 4.5
0
Nickel (Ni), % 3.2 to 3.6
0 to 0.45
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0.1 to 0.25
5.0 to 7.0
Sulfur (S), % 0 to 0.010
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Tungsten (W), % 0 to 0.15
0
Vanadium (V), % 1.0 to 1.3
0
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 0.35