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8011A Aluminum vs. EN 1.4517 Stainless Steel

8011A aluminum belongs to the aluminum alloys classification, while EN 1.4517 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 1.4517 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 1.7 to 28
25
Fatigue Strength, MPa 33 to 76
380
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 26
79
Tensile Strength: Ultimate (UTS), MPa 100 to 180
730
Tensile Strength: Yield (Proof), MPa 34 to 170
550

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 650
1430
Melting Onset (Solidus), °C 630
1390
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
17
Thermal Expansion, µm/m-K 23
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
20
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
3.8
Embodied Energy, MJ/kg 150
53
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
170
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
740
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
26
Strength to Weight: Bending, points 18 to 26
23
Thermal Diffusivity, mm2/s 86
4.6
Thermal Shock Resistance, points 4.6 to 8.1
20

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
24.5 to 26.5
Copper (Cu), % 0 to 0.1
2.8 to 3.5
Iron (Fe), % 0.5 to 1.0
56.7 to 65.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 1.5
Molybdenum (Mo), % 0
2.5 to 3.5
Nickel (Ni), % 0
5.0 to 7.0
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.4 to 0.8
0 to 1.0
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0