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EN AC-44000 Aluminum vs. SAE-AISI D2 Steel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while SAE-AISI D2 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, 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 SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 7.3
5.0 to 16
Fatigue Strength, MPa 64
310 to 860
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 180
760 to 2000
Tensile Strength: Yield (Proof), MPa 86
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 560
270
Melting Completion (Liquidus), °C 590
1440
Melting Onset (Solidus), °C 590
1390
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 140
31
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
4.3
Electrical Conductivity: Equal Weight (Specific), % IACS 130
5.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.0
Density, g/cm3 2.5
7.7
Embodied Carbon, kg CO2/kg material 7.8
3.4
Embodied Energy, MJ/kg 150
50
Embodied Water, L/kg 1070
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 51
570 to 5940
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
25
Strength to Weight: Axial, points 20
27 to 72
Strength to Weight: Bending, points 28
24 to 46
Thermal Diffusivity, mm2/s 61
8.3
Thermal Shock Resistance, points 8.4
25 to 67

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0
Carbon (C), % 0
1.4 to 1.6
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 0 to 0.050
0 to 0.25
Iron (Fe), % 0 to 0.19
81.3 to 86.9
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
0 to 0.6
Molybdenum (Mo), % 0
0.7 to 1.2
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 10 to 11.8
0 to 0.6
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Vanadium (V), % 0
0 to 1.1
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0