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ACI-ASTM CN3MN Steel vs. 520.0 Aluminum

ACI-ASTM CN3MN steel belongs to the iron alloys classification, while 520.0 aluminum belongs to the aluminum alloys. There are 30 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 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
75
Elastic (Young's, Tensile) Modulus, GPa 210
66
Elongation at Break, % 39
14
Fatigue Strength, MPa 250
55
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 80
25
Tensile Strength: Ultimate (UTS), MPa 620
330
Tensile Strength: Yield (Proof), MPa 300
170

Thermal Properties

Latent Heat of Fusion, J/g 310
390
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
600
Melting Onset (Solidus), °C 1410
480
Specific Heat Capacity, J/kg-K 460
910
Thermal Conductivity, W/m-K 13
87
Thermal Expansion, µm/m-K 16
25

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
21
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
72

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.1
2.6
Embodied Carbon, kg CO2/kg material 6.2
9.8
Embodied Energy, MJ/kg 84
160
Embodied Water, L/kg 200
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
39
Resilience: Unit (Modulus of Resilience), kJ/m3 210
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
52
Strength to Weight: Axial, points 21
35
Strength to Weight: Bending, points 20
41
Thermal Diffusivity, mm2/s 3.4
37
Thermal Shock Resistance, points 14
14

Alloy Composition


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Aluminum (Al), % 0
87.9 to 90.5
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 20 to 22
0
Copper (Cu), % 0 to 0.75
0 to 0.25
Iron (Fe), % 41.4 to 50.3
0 to 0.3
Magnesium (Mg), % 0
9.5 to 10.6
Manganese (Mn), % 0 to 2.0
0 to 0.15
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 to 0.25
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.15
Residuals, % 0
0 to 0.15