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EN AC-44000 Aluminum vs. EN 1.5450 Steel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while EN 1.5450 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 AC-44000 aluminum and the bottom bar is EN 1.5450 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
190
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 7.3
19
Fatigue Strength, MPa 64
310
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 180
620
Tensile Strength: Yield (Proof), MPa 86
460

Thermal Properties

Latent Heat of Fusion, J/g 560
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 590
1470
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 140
49
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.4
Density, g/cm3 2.5
7.9
Embodied Carbon, kg CO2/kg material 7.8
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1070
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
110
Resilience: Unit (Modulus of Resilience), kJ/m3 51
550
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 28
20
Thermal Diffusivity, mm2/s 61
13
Thermal Shock Resistance, points 8.4
18

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0 to 0.060
Boron (B), % 0
0.0020 to 0.0060
Carbon (C), % 0
0.060 to 0.1
Chromium (Cr), % 0
0 to 0.2
Copper (Cu), % 0 to 0.050
0 to 0.3
Iron (Fe), % 0 to 0.19
97.6 to 98.8
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.6 to 0.8
Molybdenum (Mo), % 0
0.4 to 0.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 10 to 11.8
0.1 to 0.35
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
0 to 0.060
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0