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5083 Aluminum vs. EN 1.4807 Stainless Steel

5083 aluminum belongs to the aluminum alloys classification, while EN 1.4807 stainless steel belongs to the iron 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 5083 aluminum and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75 to 110
140
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 17
4.5
Fatigue Strength, MPa 93 to 190
120
Poisson's Ratio 0.33
0.29
Shear Modulus, GPa 26
75
Tensile Strength: Ultimate (UTS), MPa 290 to 390
480
Tensile Strength: Yield (Proof), MPa 110 to 340
250

Thermal Properties

Latent Heat of Fusion, J/g 400
320
Maximum Temperature: Corrosion, °C 65
600
Maximum Temperature: Mechanical, °C 190
1000
Melting Completion (Liquidus), °C 640
1390
Melting Onset (Solidus), °C 580
1350
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 24
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 96
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
39
Density, g/cm3 2.7
8.0
Embodied Carbon, kg CO2/kg material 8.9
6.8
Embodied Energy, MJ/kg 150
97
Embodied Water, L/kg 1170
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 42
18
Resilience: Unit (Modulus of Resilience), kJ/m3 95 to 860
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 29 to 40
17
Strength to Weight: Bending, points 36 to 44
17
Thermal Diffusivity, mm2/s 48
3.2
Thermal Shock Resistance, points 12 to 17
12

Alloy Composition

Aluminum (Al), % 92.4 to 95.6
0
Carbon (C), % 0
0.3 to 0.5
Chromium (Cr), % 0.050 to 0.25
17 to 20
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
36.6 to 46.7
Magnesium (Mg), % 4.0 to 4.9
0
Manganese (Mn), % 0.4 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
1.0 to 2.5
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0