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A535.0 Aluminum vs. ACI-ASTM CD6MN Steel

A535.0 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CD6MN steel belongs to the iron alloys. There are 29 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 A535.0 aluminum and the bottom bar is ACI-ASTM CD6MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 67
200
Elongation at Break, % 9.0
28
Fatigue Strength, MPa 95
370
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
80
Tensile Strength: Ultimate (UTS), MPa 250
730
Tensile Strength: Yield (Proof), MPa 120
510

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 620
1440
Melting Onset (Solidus), °C 550
1390
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 100
16
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 23
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 79
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 9.3
3.4
Embodied Energy, MJ/kg 160
48
Embodied Water, L/kg 1180
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 19
180
Resilience: Unit (Modulus of Resilience), kJ/m3 120
650
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 26
26
Strength to Weight: Bending, points 33
23
Thermal Diffusivity, mm2/s 42
4.4
Thermal Shock Resistance, points 11
20

Alloy Composition

Aluminum (Al), % 91.4 to 93.4
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
24 to 27
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.2
62.1 to 70.1
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0.1 to 0.25
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 1.0
Sulfur (S), % 0
0 to 0.040
Titanium (Ti), % 0 to 0.25
0
Residuals, % 0 to 0.15
0