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ACI-ASTM CD6MN Steel vs. EN AC-44000 Aluminum

ACI-ASTM CD6MN steel belongs to the iron alloys classification, while EN AC-44000 aluminum belongs to the aluminum alloys. There are 29 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 ACI-ASTM CD6MN steel and the bottom bar is EN AC-44000 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
71
Elongation at Break, % 28
7.3
Fatigue Strength, MPa 370
64
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
27
Tensile Strength: Ultimate (UTS), MPa 730
180
Tensile Strength: Yield (Proof), MPa 510
86

Thermal Properties

Latent Heat of Fusion, J/g 300
560
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1440
590
Melting Onset (Solidus), °C 1390
590
Specific Heat Capacity, J/kg-K 480
910
Thermal Conductivity, W/m-K 16
140
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
36
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
130

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.5
Density, g/cm3 7.7
2.5
Embodied Carbon, kg CO2/kg material 3.4
7.8
Embodied Energy, MJ/kg 48
150
Embodied Water, L/kg 170
1070

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
11
Resilience: Unit (Modulus of Resilience), kJ/m3 650
51
Stiffness to Weight: Axial, points 15
16
Stiffness to Weight: Bending, points 25
55
Strength to Weight: Axial, points 26
20
Strength to Weight: Bending, points 23
28
Thermal Diffusivity, mm2/s 4.4
61
Thermal Shock Resistance, points 20
8.4

Alloy Composition

Aluminum (Al), % 0
87.1 to 90
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 24 to 27
0
Copper (Cu), % 0
0 to 0.050
Iron (Fe), % 62.1 to 70.1
0 to 0.19
Magnesium (Mg), % 0
0 to 0.45
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
10 to 11.8
Sulfur (S), % 0 to 0.040
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.070
Residuals, % 0
0 to 0.1