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ACI-ASTM CK35MN Steel vs. 242.0 Aluminum

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while 242.0 aluminum belongs to the aluminum alloys. There are 30 material properties with values for both materials. Properties with values for just one material (5, 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 242.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
70 to 110
Elastic (Young's, Tensile) Modulus, GPa 210
73
Elongation at Break, % 40
0.5 to 1.5
Fatigue Strength, MPa 270
55 to 110
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
27
Tensile Strength: Ultimate (UTS), MPa 650
180 to 290
Tensile Strength: Yield (Proof), MPa 310
120 to 220

Thermal Properties

Latent Heat of Fusion, J/g 310
390
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1460
640
Melting Onset (Solidus), °C 1410
530
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 12
130 to 170
Thermal Expansion, µm/m-K 16
22

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
33 to 44
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
96 to 130

Otherwise Unclassified Properties

Base Metal Price, % relative 31
12
Density, g/cm3 8.0
3.1
Embodied Carbon, kg CO2/kg material 5.9
8.3
Embodied Energy, MJ/kg 81
150
Embodied Water, L/kg 210
1130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
1.3 to 3.4
Resilience: Unit (Modulus of Resilience), kJ/m3 240
110 to 340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
45
Strength to Weight: Axial, points 22
16 to 26
Strength to Weight: Bending, points 21
23 to 32
Thermal Diffusivity, mm2/s 3.3
50 to 62
Thermal Shock Resistance, points 14
8.0 to 13

Alloy Composition

Aluminum (Al), % 0
88.4 to 93.6
Carbon (C), % 0 to 0.035
0
Chromium (Cr), % 22 to 24
0 to 0.25
Copper (Cu), % 0 to 0.4
3.5 to 4.5
Iron (Fe), % 43.4 to 51.8
0 to 1.0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0 to 2.0
0 to 0.35
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
1.7 to 2.3
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.020
0
Titanium (Ti), % 0
0 to 0.25
Zinc (Zn), % 0
0 to 0.35
Residuals, % 0
0 to 0.15