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8011A Aluminum vs. EN 1.8509 Steel

8011A aluminum belongs to the aluminum alloys classification, while EN 1.8509 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 1.8509 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
340
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.7 to 28
11
Fatigue Strength, MPa 33 to 76
580
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 100 to 180
1130
Tensile Strength: Yield (Proof), MPa 34 to 170
940

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
440
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 630
1410
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
39
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 180
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.2
1.6
Embodied Energy, MJ/kg 150
22
Embodied Water, L/kg 1180
65

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
120
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
2340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
40
Strength to Weight: Bending, points 18 to 26
31
Thermal Diffusivity, mm2/s 86
10
Thermal Shock Resistance, points 4.6 to 8.1
33

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0.8 to 1.2
Carbon (C), % 0
0.38 to 0.45
Chromium (Cr), % 0 to 0.1
1.5 to 1.8
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0.5 to 1.0
95.5 to 97.1
Magnesium (Mg), % 0 to 0.1
0
Manganese (Mn), % 0 to 0.1
0.4 to 0.7
Molybdenum (Mo), % 0
0.2 to 0.35
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.4 to 0.8
0 to 0.4
Sulfur (S), % 0
0 to 0.035
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0