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2618A Aluminum vs. EN 1.8152 Steel

2618A aluminum belongs to the aluminum alloys classification, while EN 1.8152 steel belongs to the iron alloys. There are 24 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 2618A aluminum and the bottom bar is EN 1.8152 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 72
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 27
72
Tensile Strength: Ultimate (UTS), MPa 440
660 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 230
410
Melting Completion (Liquidus), °C 670
1440
Melting Onset (Solidus), °C 560
1400
Specific Heat Capacity, J/kg-K 880
480
Thermal Conductivity, W/m-K 150
47
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 37
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 110
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.2
Density, g/cm3 3.0
7.7
Embodied Carbon, kg CO2/kg material 8.4
1.8
Embodied Energy, MJ/kg 150
25
Embodied Water, L/kg 1150
49

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 47
25
Strength to Weight: Axial, points 41
24 to 72
Strength to Weight: Bending, points 44
22 to 46
Thermal Diffusivity, mm2/s 59
13
Thermal Shock Resistance, points 19
20 to 60

Alloy Composition

Aluminum (Al), % 91.5 to 95.2
0
Carbon (C), % 0
0.51 to 0.59
Chromium (Cr), % 0
0.5 to 0.8
Copper (Cu), % 1.8 to 2.7
0
Iron (Fe), % 0.9 to 1.4
96 to 97.2
Magnesium (Mg), % 1.2 to 1.8
0
Manganese (Mn), % 0 to 0.25
0.5 to 0.8
Nickel (Ni), % 0.8 to 1.4
0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0.15 to 0.25
1.2 to 1.6
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.2
0
Vanadium (V), % 0
0.1 to 0.2
Zinc (Zn), % 0 to 0.15
0
Zirconium (Zr), % 0 to 0.25
0
Residuals, % 0 to 0.15
0