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8011A Aluminum vs. ASTM A204 Steel

8011A aluminum belongs to the aluminum alloys classification, while ASTM A204 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, 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 A204 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 25 to 50
160 to 180
Elastic (Young's, Tensile) Modulus, GPa 69
190
Elongation at Break, % 1.7 to 28
18 to 22
Fatigue Strength, MPa 33 to 76
200 to 220
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
73
Tensile Strength: Ultimate (UTS), MPa 100 to 180
520 to 590
Tensile Strength: Yield (Proof), MPa 34 to 170
290 to 330

Thermal Properties

Latent Heat of Fusion, J/g 400
250
Maximum Temperature: Mechanical, °C 170
410
Melting Completion (Liquidus), °C 650
1470
Melting Onset (Solidus), °C 630
1420 to 1430
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 210
52
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 56
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 180
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.4
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.2
1.5
Embodied Energy, MJ/kg 150
20
Embodied Water, L/kg 1180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 3.0 to 22
90 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 8.2 to 200
220 to 290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 11 to 18
18 to 21
Strength to Weight: Bending, points 18 to 26
18 to 20
Thermal Diffusivity, mm2/s 86
14
Thermal Shock Resistance, points 4.6 to 8.1
15 to 17