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EN AC-44000 Aluminum vs. EN 1.4606 Stainless Steel

EN AC-44000 aluminum belongs to the aluminum alloys classification, while EN 1.4606 stainless steel belongs to the iron alloys. There are 29 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 EN 1.4606 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 7.3
23 to 39
Fatigue Strength, MPa 64
240 to 420
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
75
Tensile Strength: Ultimate (UTS), MPa 180
600 to 1020
Tensile Strength: Yield (Proof), MPa 86
280 to 630

Thermal Properties

Latent Heat of Fusion, J/g 560
300
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 590
1430
Melting Onset (Solidus), °C 590
1380
Specific Heat Capacity, J/kg-K 910
470
Thermal Conductivity, W/m-K 140
14
Thermal Expansion, µm/m-K 21
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
26
Density, g/cm3 2.5
7.9
Embodied Carbon, kg CO2/kg material 7.8
6.0
Embodied Energy, MJ/kg 150
87
Embodied Water, L/kg 1070
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 11
190 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 51
200 to 1010
Stiffness to Weight: Axial, points 16
14
Stiffness to Weight: Bending, points 55
24
Strength to Weight: Axial, points 20
21 to 36
Strength to Weight: Bending, points 28
20 to 28
Thermal Diffusivity, mm2/s 61
3.7
Thermal Shock Resistance, points 8.4
21 to 35

Alloy Composition


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Aluminum (Al), % 87.1 to 90
0 to 0.35
Boron (B), % 0
0.0010 to 0.010
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
13 to 16
Copper (Cu), % 0 to 0.050
0
Iron (Fe), % 0 to 0.19
49.2 to 59
Magnesium (Mg), % 0 to 0.45
0
Manganese (Mn), % 0 to 0.1
1.0 to 2.0
Molybdenum (Mo), % 0
1.0 to 1.5
Nickel (Ni), % 0
24 to 27
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 10 to 11.8
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.15
1.9 to 2.3
Vanadium (V), % 0
0.1 to 0.5
Zinc (Zn), % 0 to 0.070
0
Residuals, % 0 to 0.1
0