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ACI-ASTM CK35MN Steel vs. A201.0 Aluminum

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while A201.0 aluminum belongs to the aluminum alloys. There are 29 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 ACI-ASTM CK35MN steel and the bottom bar is A201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
71
Elongation at Break, % 40
4.7
Fatigue Strength, MPa 270
97
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
27
Tensile Strength: Ultimate (UTS), MPa 650
480
Tensile Strength: Yield (Proof), MPa 310
420

Thermal Properties

Latent Heat of Fusion, J/g 310
390
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1410
570
Specific Heat Capacity, J/kg-K 470
880
Thermal Conductivity, W/m-K 12
120
Thermal Expansion, µm/m-K 16
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
30
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
90

Otherwise Unclassified Properties

Base Metal Price, % relative 31
11
Density, g/cm3 8.0
3.0
Embodied Carbon, kg CO2/kg material 5.9
8.1
Embodied Energy, MJ/kg 81
150
Embodied Water, L/kg 210
1150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
22
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
46
Strength to Weight: Axial, points 22
44
Strength to Weight: Bending, points 21
45
Thermal Diffusivity, mm2/s 3.3
46
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 0
93.7 to 95.5
Carbon (C), % 0 to 0.035
0
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0 to 0.4
4.0 to 5.0
Iron (Fe), % 43.4 to 51.8
0 to 0.1
Magnesium (Mg), % 0
0.15 to 0.35
Manganese (Mn), % 0 to 2.0
0.2 to 0.4
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
0
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.050
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.1