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8011A Aluminum vs. ASTM Grade HF Steel

8011A aluminum belongs to the aluminum alloys classification, while ASTM grade HF 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 ASTM grade HF steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
160
Elastic (Young's, Tensile) Modulus, GPa 69
200
Elongation at Break, % 1.7 to 28
29
Fatigue Strength, MPa 33 to 76
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
77
Tensile Strength: Ultimate (UTS), MPa 100 to 180
550
Tensile Strength: Yield (Proof), MPa 34 to 170
270

Thermal Properties

Latent Heat of Fusion, J/g 400
300
Maximum Temperature: Mechanical, °C 170
1000
Melting Completion (Liquidus), °C 650
1410
Melting Onset (Solidus), °C 630
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 210
16
Thermal Expansion, µm/m-K 23
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 180
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
17
Density, g/cm3 2.7
7.7
Embodied Carbon, kg CO2/kg material 8.2
3.2
Embodied Energy, MJ/kg 150
46
Embodied Water, L/kg 1180
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
130
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 11 to 18
20
Strength to Weight: Bending, points 18 to 26
19
Thermal Diffusivity, mm2/s 86
4.2
Thermal Shock Resistance, points 4.6 to 8.1
12

Alloy Composition

Aluminum (Al), % 97.5 to 99.1
0
Carbon (C), % 0
0.2 to 0.4
Chromium (Cr), % 0 to 0.1
18 to 23
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0.5 to 1.0
60 to 73.8
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
8.0 to 12
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.4 to 0.8
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.050
0
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0