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EN 1.5024 Steel vs. 238.0 Aluminum

EN 1.5024 steel belongs to the iron alloys classification, while 238.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (6, 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 EN 1.5024 steel and the bottom bar is 238.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
76
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
28
Tensile Strength: Ultimate (UTS), MPa 670 to 1930
210

Thermal Properties

Latent Heat of Fusion, J/g 270
430
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1440
600
Melting Onset (Solidus), °C 1400
510
Specific Heat Capacity, J/kg-K 480
840
Thermal Conductivity, W/m-K 50
100
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
67

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
12
Density, g/cm3 7.7
3.4
Embodied Carbon, kg CO2/kg material 1.4
7.4
Embodied Energy, MJ/kg 19
140
Embodied Water, L/kg 45
1040

Common Calculations

Stiffness to Weight: Axial, points 13
12
Stiffness to Weight: Bending, points 25
42
Strength to Weight: Axial, points 24 to 69
17
Strength to Weight: Bending, points 22 to 45
23
Thermal Diffusivity, mm2/s 14
37
Thermal Shock Resistance, points 20 to 58
9.1

Alloy Composition

Aluminum (Al), % 0
81.9 to 84.9
Carbon (C), % 0.42 to 0.5
0
Copper (Cu), % 0
9.5 to 10.5
Iron (Fe), % 96.7 to 97.6
1.0 to 1.5
Magnesium (Mg), % 0
0 to 0.25
Manganese (Mn), % 0.5 to 0.8
0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 1.5 to 2.0
3.6 to 4.4
Sulfur (S), % 0 to 0.025
0
Zinc (Zn), % 0
1.0 to 1.5