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224.0 Aluminum vs. SAE-AISI A6 Steel

224.0 aluminum belongs to the aluminum alloys classification, while SAE-AISI A6 steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (7, 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 224.0 aluminum and the bottom bar is SAE-AISI A6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
73
Tensile Strength: Ultimate (UTS), MPa 380 to 420
750 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 870
470
Thermal Conductivity, W/m-K 120
41
Thermal Expansion, µm/m-K 23
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 32
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 95
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 11
3.7
Density, g/cm3 3.0
7.8
Embodied Carbon, kg CO2/kg material 8.3
1.8
Embodied Energy, MJ/kg 160
24
Embodied Water, L/kg 1150
57

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 35 to 38
27 to 71
Strength to Weight: Bending, points 38 to 41
23 to 45
Thermal Diffusivity, mm2/s 47
11
Thermal Shock Resistance, points 17 to 18
25 to 65

Alloy Composition

Aluminum (Al), % 93 to 95.2
0
Carbon (C), % 0
0.65 to 0.75
Chromium (Cr), % 0
0.9 to 1.2
Copper (Cu), % 4.5 to 5.5
0 to 0.25
Iron (Fe), % 0 to 0.1
93 to 95.8
Manganese (Mn), % 0.2 to 0.5
1.8 to 2.5
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.060
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.35
0
Vanadium (V), % 0.050 to 0.15
0
Zirconium (Zr), % 0.1 to 0.25
0
Residuals, % 0 to 0.1
0