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8011A Aluminum vs. EN 1.4865 Stainless Steel

8011A aluminum belongs to the aluminum alloys classification, while EN 1.4865 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 1.4865 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
6.8
Fatigue Strength, MPa 33 to 76
120
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Tensile Strength: Ultimate (UTS), MPa 100 to 180
470
Tensile Strength: Yield (Proof), MPa 34 to 170
250

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Mechanical, °C 170
1020
Melting Completion (Liquidus), °C 650
1380
Melting Onset (Solidus), °C 630
1330
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
12
Thermal Expansion, µm/m-K 23
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 180
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
33
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.2
5.8
Embodied Energy, MJ/kg 150
81
Embodied Water, L/kg 1180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
27
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 11 to 18
16
Strength to Weight: Bending, points 18 to 26
17
Thermal Diffusivity, mm2/s 86
3.1
Thermal Shock Resistance, points 4.6 to 8.1
11

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0 to 0.1
18 to 21
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0.5 to 1.0
34.4 to 44.7
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
36 to 39
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
1.0 to 2.5
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