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ACI-ASTM CF10SMnN Steel vs. 2117 Aluminum

ACI-ASTM CF10SMnN steel belongs to the iron alloys classification, while 2117 aluminum belongs to the aluminum alloys. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 2117 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
70
Elastic (Young's, Tensile) Modulus, GPa 190
71
Elongation at Break, % 34
26
Fatigue Strength, MPa 260
95
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 75
27
Tensile Strength: Ultimate (UTS), MPa 660
300
Tensile Strength: Yield (Proof), MPa 330
170

Thermal Properties

Latent Heat of Fusion, J/g 340
400
Maximum Temperature: Mechanical, °C 900
220
Melting Completion (Liquidus), °C 1360
650
Melting Onset (Solidus), °C 1310
550
Specific Heat Capacity, J/kg-K 500
880
Thermal Expansion, µm/m-K 16
24

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.5
3.0
Embodied Carbon, kg CO2/kg material 3.1
8.2
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 150
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
64
Resilience: Unit (Modulus of Resilience), kJ/m3 280
190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
47
Strength to Weight: Axial, points 24
28
Strength to Weight: Bending, points 22
33
Thermal Shock Resistance, points 15
12

Alloy Composition

Aluminum (Al), % 0
91 to 97.6
Carbon (C), % 0 to 0.1
0
Chromium (Cr), % 16 to 18
0 to 0.1
Copper (Cu), % 0
2.2 to 4.5
Iron (Fe), % 59.1 to 65.4
0 to 0.7
Magnesium (Mg), % 0
0.2 to 1.0
Manganese (Mn), % 7.0 to 9.0
0.4 to 1.0
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
0.2 to 0.8
Sulfur (S), % 0 to 0.030
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.25
Zirconium (Zr), % 0
0 to 0.25
Residuals, % 0
0 to 0.15