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EN AC-44000 Aluminum vs. EN 1.7233 Steel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while EN 1.7233 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 1.7233 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 51
210 to 290
Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 7.3
18 to 23
Fatigue Strength, MPa 64
270 to 530
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 180
700 to 960
Tensile Strength: Yield (Proof), MPa 86
380 to 780

Thermal Properties

Latent Heat of Fusion, J/g 560
250
Maximum Temperature: Mechanical, °C 170
430
Melting Completion (Liquidus), °C 590
1460
Melting Onset (Solidus), °C 590
1420
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 140
39
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.0
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.8
1.6
Embodied Energy, MJ/kg 150
21
Embodied Water, L/kg 1070
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
110 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 51
380 to 1630
Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 20
25 to 34
Strength to Weight: Bending, points 28
22 to 28
Thermal Diffusivity, mm2/s 61
11
Thermal Shock Resistance, points 8.4
21 to 28

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Carbon (C), % 0
0.39 to 0.45
Chromium (Cr), % 0
1.2 to 1.5
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
96.2 to 97.5
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.7
Molybdenum (Mo), % 0
0.5 to 0.7
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 10 to 11.8
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0