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5088 Aluminum vs. EN 1.5511 Steel

5088 aluminum belongs to the aluminum alloys classification, while EN 1.5511 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (8, 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 5088 aluminum and the bottom bar is EN 1.5511 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
72
Tensile Strength: Ultimate (UTS), MPa 310
490 to 580

Thermal Properties

Latent Heat of Fusion, J/g 390
250
Maximum Temperature: Mechanical, °C 200
400
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 120
51
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 98
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.0
1.4
Embodied Energy, MJ/kg 150
19
Embodied Water, L/kg 1180
46

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 32
17 to 20
Strength to Weight: Bending, points 38
18 to 20
Thermal Diffusivity, mm2/s 51
14
Thermal Shock Resistance, points 14
15 to 17

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0.020 to 0.060
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0
0.32 to 0.39
Chromium (Cr), % 0 to 0.15
0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0.1 to 0.35
98.3 to 99.159
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0.5 to 0.8
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.2
0 to 0.4
Sulfur (S), % 0
0 to 0.015
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0
Residuals, % 0 to 0.15
0