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ACI-ASTM CD6MN Steel vs. 4032 Aluminum

ACI-ASTM CD6MN steel belongs to the iron alloys classification, while 4032 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (4, 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 4032 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
73
Elongation at Break, % 28
6.7
Fatigue Strength, MPa 370
110
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 80
28
Tensile Strength: Ultimate (UTS), MPa 730
390
Tensile Strength: Yield (Proof), MPa 510
320

Thermal Properties

Latent Heat of Fusion, J/g 300
570
Maximum Temperature: Mechanical, °C 1100
180
Melting Completion (Liquidus), °C 1440
570
Melting Onset (Solidus), °C 1390
530
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 16
140
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
34
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
120

Otherwise Unclassified Properties

Base Metal Price, % relative 17
10
Density, g/cm3 7.7
2.6
Embodied Carbon, kg CO2/kg material 3.4
7.8
Embodied Energy, MJ/kg 48
140
Embodied Water, L/kg 170
1030

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
25
Resilience: Unit (Modulus of Resilience), kJ/m3 650
700
Stiffness to Weight: Axial, points 15
15
Stiffness to Weight: Bending, points 25
53
Strength to Weight: Axial, points 26
41
Strength to Weight: Bending, points 23
45
Thermal Diffusivity, mm2/s 4.4
59
Thermal Shock Resistance, points 20
20

Alloy Composition

Aluminum (Al), % 0
81.1 to 87.2
Carbon (C), % 0 to 0.060
0
Chromium (Cr), % 24 to 27
0 to 0.1
Copper (Cu), % 0
0.5 to 1.3
Iron (Fe), % 62.1 to 70.1
0 to 1.0
Magnesium (Mg), % 0
0.8 to 1.3
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 1.8 to 2.5
0
Nickel (Ni), % 4.0 to 6.0
0.5 to 1.3
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
11 to 13.5
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15