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EN AC-44000 Aluminum vs. AISI W2 Steel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while AISI W2 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 AISI W2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 180
580 to 2400

Thermal Properties

Latent Heat of Fusion, J/g 560
250
Melting Completion (Liquidus), °C 590
1450
Melting Onset (Solidus), °C 590
1410
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 140
45
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
2.3
Density, g/cm3 2.5
7.8
Embodied Carbon, kg CO2/kg material 7.8
2.0
Embodied Energy, MJ/kg 150
29
Embodied Water, L/kg 1070
48

Common Calculations

Stiffness to Weight: Axial, points 16
13
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 20
21 to 86
Strength to Weight: Bending, points 28
20 to 51
Thermal Diffusivity, mm2/s 61
12
Thermal Shock Resistance, points 8.4
19 to 80

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Carbon (C), % 0
0.85 to 1.5
Chromium (Cr), % 0
0 to 0.15
Copper (Cu), % 0 to 0.050
0 to 0.2
Iron (Fe), % 0 to 0.19
96.2 to 98.6
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0.35 to 0.74
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.2
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 10 to 11.8
0.1 to 0.4
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
0 to 0.15
Vanadium (V), % 0
0.15 to 0.35
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0