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8011A Aluminum vs. EN 1.4482 Stainless Steel

8011A aluminum belongs to the aluminum alloys classification, while EN 1.4482 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 8011A aluminum and the bottom bar is EN 1.4482 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 1.7 to 28
34
Fatigue Strength, MPa 33 to 76
420 to 450
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Tensile Strength: Ultimate (UTS), MPa 100 to 180
770 to 800
Tensile Strength: Yield (Proof), MPa 34 to 170
530 to 570

Thermal Properties

Latent Heat of Fusion, J/g 400
290
Maximum Temperature: Mechanical, °C 170
980
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 630
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
15
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
12
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.2
2.7
Embodied Energy, MJ/kg 150
38
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
230 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
690 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
28 to 29
Strength to Weight: Bending, points 18 to 26
24 to 25
Thermal Diffusivity, mm2/s 86
4.0
Thermal Shock Resistance, points 4.6 to 8.1
21 to 22

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
19.5 to 21.5
Copper (Cu), % 0 to 0.1
0 to 1.0
Iron (Fe), % 0.5 to 1.0
66.1 to 74.9
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0
1.5 to 3.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.035
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