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5083 Aluminum vs. S46500 Stainless Steel

5083 aluminum belongs to the aluminum alloys classification, while S46500 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, 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 S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 1.1 to 17
2.3 to 14
Fatigue Strength, MPa 93 to 190
550 to 890
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 170 to 220
730 to 1120
Tensile Strength: Ultimate (UTS), MPa 290 to 390
1260 to 1930
Tensile Strength: Yield (Proof), MPa 110 to 340
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Corrosion, °C 65
680
Maximum Temperature: Mechanical, °C 190
780
Melting Completion (Liquidus), °C 640
1450
Melting Onset (Solidus), °C 580
1410
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 24
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
15
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 8.9
3.6
Embodied Energy, MJ/kg 150
51
Embodied Water, L/kg 1170
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 4.2 to 42
43 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 29 to 40
44 to 68
Strength to Weight: Bending, points 36 to 44
33 to 44
Thermal Shock Resistance, points 12 to 17
44 to 67

Alloy Composition

Aluminum (Al), % 92.4 to 95.6
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0.050 to 0.25
11 to 12.5
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 0.4
72.6 to 76.1
Magnesium (Mg), % 4.0 to 4.9
0
Manganese (Mn), % 0.4 to 1.0
0 to 0.25
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0
0 to 0.015
Silicon (Si), % 0 to 0.4
0 to 0.25
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.15
1.5 to 1.8
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0

Comparable Variants