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5088 Aluminum vs. EN 1.4594 Stainless Steel

5088 aluminum belongs to the aluminum alloys classification, while EN 1.4594 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 29
11 to 17
Fatigue Strength, MPa 180
490 to 620
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
76
Shear Strength, MPa 200
620 to 700
Tensile Strength: Ultimate (UTS), MPa 310
1020 to 1170
Tensile Strength: Yield (Proof), MPa 150
810 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 200
820
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 540
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 24
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 98
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 9.0
3.2
Embodied Energy, MJ/kg 150
45
Embodied Water, L/kg 1180
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 76
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 170
1660 to 3320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 32
36 to 41
Strength to Weight: Bending, points 38
29 to 31
Thermal Diffusivity, mm2/s 51
4.4
Thermal Shock Resistance, points 14
34 to 39

Alloy Composition

Aluminum (Al), % 92.4 to 94.8
0
Carbon (C), % 0
0 to 0.070
Chromium (Cr), % 0 to 0.15
13 to 15
Copper (Cu), % 0 to 0.25
1.2 to 2.0
Iron (Fe), % 0.1 to 0.35
72.6 to 79.5
Magnesium (Mg), % 4.7 to 5.5
0
Manganese (Mn), % 0.2 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 0
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.2
0 to 0.7
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