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ACI-ASTM CF10SMnN Steel vs. 2024 Aluminum

ACI-ASTM CF10SMnN steel belongs to the iron alloys classification, while 2024 aluminum belongs to the aluminum alloys. There are 25 material properties with values for both materials. Properties with values for just one material (9, 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 CF10SMnN steel and the bottom bar is 2024 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 34
4.0 to 16
Fatigue Strength, MPa 260
90 to 180
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 660
200 to 540
Tensile Strength: Yield (Proof), MPa 330
100 to 490

Thermal Properties

Latent Heat of Fusion, J/g 340
390
Maximum Temperature: Mechanical, °C 900
200
Melting Completion (Liquidus), °C 1360
640
Melting Onset (Solidus), °C 1310
500
Specific Heat Capacity, J/kg-K 500
880
Thermal Expansion, µm/m-K 16
23

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.5
3.0
Embodied Carbon, kg CO2/kg material 3.1
8.3
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 150
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
20 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 280
70 to 1680
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
46
Strength to Weight: Axial, points 24
18 to 50
Strength to Weight: Bending, points 22
25 to 49
Thermal Shock Resistance, points 15
8.6 to 24

Alloy Composition

Aluminum (Al), % 0
90.7 to 94.7
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16 to 18
0 to 0.1
Copper (Cu), % 0
3.8 to 4.9
Iron (Fe), % 59.1 to 65.4
0 to 0.5
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 7.0 to 9.0
0.3 to 0.9
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0
Silicon (Si), % 3.5 to 4.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15