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EN 1.5538 Steel vs. 201.0 Aluminum

EN 1.5538 steel belongs to the iron alloys classification, while 201.0 aluminum belongs to the aluminum alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, 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 1.5538 steel and the bottom bar is 201.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 190
95 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
71
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
27
Tensile Strength: Ultimate (UTS), MPa 530 to 1810
370 to 470

Thermal Properties

Latent Heat of Fusion, J/g 250
390
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1460
650
Melting Onset (Solidus), °C 1420
570
Specific Heat Capacity, J/kg-K 470
870
Thermal Conductivity, W/m-K 51
120
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
30 to 33
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
87 to 97

Otherwise Unclassified Properties

Base Metal Price, % relative 2.0
38
Density, g/cm3 7.8
3.1
Embodied Carbon, kg CO2/kg material 1.4
8.7
Embodied Energy, MJ/kg 19
160

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
45
Strength to Weight: Axial, points 19 to 64
33 to 42
Strength to Weight: Bending, points 19 to 42
37 to 44
Thermal Diffusivity, mm2/s 14
45
Thermal Shock Resistance, points 16 to 53
19 to 25

Alloy Composition

Aluminum (Al), % 0
92.1 to 95.1
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.35 to 0.4
0
Chromium (Cr), % 0 to 0.3
0
Copper (Cu), % 0 to 0.25
4.0 to 5.2
Iron (Fe), % 97.2 to 98.5
0 to 0.15
Magnesium (Mg), % 0
0.15 to 0.55
Manganese (Mn), % 1.2 to 1.5
0.2 to 0.5
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0 to 0.3
0 to 0.1
Silver (Ag), % 0
0.4 to 1.0
Sulfur (S), % 0 to 0.025
0
Titanium (Ti), % 0
0.15 to 0.35
Residuals, % 0
0 to 0.1