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8011A Aluminum vs. EN 1.4446 Stainless Steel

8011A aluminum belongs to the aluminum alloys classification, while EN 1.4446 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 8011A aluminum and the bottom bar is EN 1.4446 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
140
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 1.7 to 28
23
Fatigue Strength, MPa 33 to 76
160
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 100 to 180
490
Tensile Strength: Yield (Proof), MPa 34 to 170
240

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 630
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 210
14
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
22
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.2
4.5
Embodied Energy, MJ/kg 150
60
Embodied Water, L/kg 1180
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
93
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
17
Strength to Weight: Bending, points 18 to 26
17
Thermal Diffusivity, mm2/s 86
3.6
Thermal Shock Resistance, points 4.6 to 8.1
11

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
16.5 to 18.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0.5 to 1.0
59.7 to 66.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 0
4.0 to 4.5
Nickel (Ni), % 0
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0