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EN 1.5422 Steel vs. EN AC-45000 Aluminum

EN 1.5422 steel belongs to the iron alloys classification, while EN AC-45000 aluminum belongs to the aluminum alloys. 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 1.5422 steel and the bottom bar is EN AC-45000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
77
Elastic (Young's, Tensile) Modulus, GPa 190
73
Elongation at Break, % 26
1.1
Fatigue Strength, MPa 200
75
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 520
180
Tensile Strength: Yield (Proof), MPa 270
110

Thermal Properties

Latent Heat of Fusion, J/g 250
470
Maximum Temperature: Mechanical, °C 410
180
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1420
520
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 39
120
Thermal Expansion, µm/m-K 13
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
81

Otherwise Unclassified Properties

Base Metal Price, % relative 2.7
11
Density, g/cm3 7.9
3.0
Embodied Carbon, kg CO2/kg material 1.6
7.7
Embodied Energy, MJ/kg 22
140
Embodied Water, L/kg 50
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
1.7
Resilience: Unit (Modulus of Resilience), kJ/m3 200
80
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
47
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 10
47
Thermal Shock Resistance, points 15
8.0

Alloy Composition

Aluminum (Al), % 0
82.2 to 91.8
Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 0 to 0.3
0 to 0.15
Copper (Cu), % 0 to 0.3
3.0 to 5.0
Iron (Fe), % 96.3 to 98.6
0 to 1.0
Lead (Pb), % 0
0 to 0.3
Magnesium (Mg), % 0
0 to 0.55
Manganese (Mn), % 0.8 to 1.2
0.2 to 0.65
Molybdenum (Mo), % 0.45 to 0.65
0
Nickel (Ni), % 0 to 0.4
0 to 0.45
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.6
5.0 to 7.0
Sulfur (S), % 0 to 0.020
0
Tin (Sn), % 0
0 to 0.15
Titanium (Ti), % 0
0 to 0.25
Vanadium (V), % 0 to 0.050
0
Zinc (Zn), % 0
0 to 2.0
Residuals, % 0
0 to 0.35