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5088 Aluminum vs. EN 1.4864 Stainless Steel

5088 aluminum belongs to the aluminum alloys classification, while EN 1.4864 stainless 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 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 29
33
Fatigue Strength, MPa 180
200
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 25
75
Shear Strength, MPa 200
430
Tensile Strength: Ultimate (UTS), MPa 310
650
Tensile Strength: Yield (Proof), MPa 150
260

Thermal Properties

Latent Heat of Fusion, J/g 390
310
Maximum Temperature: Mechanical, °C 200
1100
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 540
1340
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 120
13
Thermal Expansion, µm/m-K 24
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 98
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
30
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 9.0
5.3
Embodied Energy, MJ/kg 150
75
Embodied Water, L/kg 1180
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
170
Resilience: Unit (Modulus of Resilience), kJ/m3 170
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 32
23
Strength to Weight: Bending, points 38
21
Thermal Diffusivity, mm2/s 51
3.3
Thermal Shock Resistance, points 14
17

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0 to 0.15
15 to 17
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0.1 to 0.35
41.7 to 51
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0 to 2.0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.2
1.0 to 2.0
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