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B535.0 Aluminum vs. ACI-ASTM CN3MN Steel

B535.0 aluminum belongs to the aluminum alloys classification, while ACI-ASTM CN3MN steel belongs to the iron alloys. There are 30 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 B535.0 aluminum and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 65
180
Elastic (Young's, Tensile) Modulus, GPa 66
210
Elongation at Break, % 10
39
Fatigue Strength, MPa 62
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
80
Tensile Strength: Ultimate (UTS), MPa 260
620
Tensile Strength: Yield (Proof), MPa 130
300

Thermal Properties

Latent Heat of Fusion, J/g 390
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 630
1460
Melting Onset (Solidus), °C 550
1410
Specific Heat Capacity, J/kg-K 910
460
Thermal Conductivity, W/m-K 96
13
Thermal Expansion, µm/m-K 25
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 82
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
33
Density, g/cm3 2.6
8.1
Embodied Carbon, kg CO2/kg material 9.4
6.2
Embodied Energy, MJ/kg 160
84
Embodied Water, L/kg 1180
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 22
200
Resilience: Unit (Modulus of Resilience), kJ/m3 130
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
24
Strength to Weight: Axial, points 28
21
Strength to Weight: Bending, points 35
20
Thermal Diffusivity, mm2/s 40
3.4
Thermal Shock Resistance, points 11
14

Alloy Composition

Aluminum (Al), % 91.7 to 93.4
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
20 to 22
Copper (Cu), % 0 to 0.1
0 to 0.75
Iron (Fe), % 0 to 0.15
41.4 to 50.3
Magnesium (Mg), % 6.5 to 7.5
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 0
23.5 to 25.5
Nitrogen (N), % 0
0.18 to 0.26
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0.1 to 0.25
0
Residuals, % 0 to 0.15
0