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5088 Aluminum vs. EN 1.8888 Steel

5088 aluminum belongs to the aluminum alloys classification, while EN 1.8888 steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.8888 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 29
16
Fatigue Strength, MPa 180
470
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
73
Shear Strength, MPa 200
510
Tensile Strength: Ultimate (UTS), MPa 310
830
Tensile Strength: Yield (Proof), MPa 150
720

Thermal Properties

Latent Heat of Fusion, J/g 390
260
Maximum Temperature: Mechanical, °C 200
420
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
40
Thermal Expansion, µm/m-K 24
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 98
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
3.7
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.0
1.9
Embodied Energy, MJ/kg 150
26
Embodied Water, L/kg 1180
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
130
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1370
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 32
29
Strength to Weight: Bending, points 38
25
Thermal Diffusivity, mm2/s 51
11
Thermal Shock Resistance, points 14
24

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0
0 to 0.2
Chromium (Cr), % 0 to 0.15
0 to 1.5
Copper (Cu), % 0 to 0.25
0 to 0.3
Iron (Fe), % 0.1 to 0.35
91.9 to 100
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.7
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0
0 to 0.020
Silicon (Si), % 0 to 0.2
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zinc (Zn), % 0.2 to 0.4
0
Zirconium (Zr), % 0 to 0.15
0 to 0.15
Residuals, % 0 to 0.15
0