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EN 1.4662 Stainless Steel vs. 5083 Aluminum

EN 1.4662 stainless steel belongs to the iron alloys classification, while 5083 aluminum belongs to the aluminum alloys. There are 31 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 EN 1.4662 stainless steel and the bottom bar is 5083 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
68
Elongation at Break, % 28
1.1 to 17
Fatigue Strength, MPa 430 to 450
93 to 190
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 79
26
Shear Strength, MPa 520 to 540
170 to 220
Tensile Strength: Ultimate (UTS), MPa 810 to 830
290 to 390
Tensile Strength: Yield (Proof), MPa 580 to 620
110 to 340

Thermal Properties

Latent Heat of Fusion, J/g 290
400
Maximum Temperature: Corrosion, °C 440
65
Maximum Temperature: Mechanical, °C 1090
190
Melting Completion (Liquidus), °C 1430
640
Melting Onset (Solidus), °C 1380
580
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 15
120
Thermal Expansion, µm/m-K 13
24

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
29
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
96

Otherwise Unclassified Properties

Base Metal Price, % relative 16
9.5
Density, g/cm3 7.7
2.7
Embodied Carbon, kg CO2/kg material 3.2
8.9
Embodied Energy, MJ/kg 45
150
Embodied Water, L/kg 170
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
4.2 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 840 to 940
95 to 860
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 29 to 30
29 to 40
Strength to Weight: Bending, points 25
36 to 44
Thermal Diffusivity, mm2/s 3.9
48
Thermal Shock Resistance, points 22
12 to 17

Alloy Composition

Aluminum (Al), % 0
92.4 to 95.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0.050 to 0.25
Copper (Cu), % 0.1 to 0.8
0 to 0.1
Iron (Fe), % 62.6 to 70.2
0 to 0.4
Magnesium (Mg), % 0
4.0 to 4.9
Manganese (Mn), % 2.5 to 4.0
0.4 to 1.0
Molybdenum (Mo), % 1.0 to 2.0
0
Nickel (Ni), % 3.0 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.0050
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15