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ACI-ASTM CN3MN Steel vs. 5026 Aluminum

ACI-ASTM CN3MN steel belongs to the iron alloys classification, while 5026 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 CN3MN steel and the bottom bar is 5026 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
70
Elongation at Break, % 39
5.1 to 11
Fatigue Strength, MPa 250
94 to 140
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
26
Tensile Strength: Ultimate (UTS), MPa 620
260 to 320
Tensile Strength: Yield (Proof), MPa 300
120 to 250

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1410
510
Specific Heat Capacity, J/kg-K 460
890
Thermal Conductivity, W/m-K 13
130
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
31
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
99

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.1
2.8
Embodied Carbon, kg CO2/kg material 6.2
8.9
Embodied Energy, MJ/kg 84
150
Embodied Water, L/kg 200
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
15 to 29
Resilience: Unit (Modulus of Resilience), kJ/m3 210
100 to 440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
49
Strength to Weight: Axial, points 21
26 to 32
Strength to Weight: Bending, points 20
33 to 37
Thermal Diffusivity, mm2/s 3.4
52
Thermal Shock Resistance, points 14
11 to 14

Alloy Composition


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Aluminum (Al), % 0
88.2 to 94.7
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0 to 0.3
Copper (Cu), % 0 to 0.75
0.1 to 0.8
Iron (Fe), % 41.4 to 50.3
0.2 to 1.0
Magnesium (Mg), % 0
3.9 to 4.9
Manganese (Mn), % 0 to 2.0
0.6 to 1.8
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 23.5 to 25.5
0
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.55 to 1.4
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 1.0
Zirconium (Zr), % 0
0 to 0.3
Residuals, % 0
0 to 0.15