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N08031 Stainless Steel vs. 5083 Aluminum

N08031 stainless steel belongs to the iron alloys classification, while 5083 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 N08031 stainless steel and the bottom bar is 5083 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
68
Elongation at Break, % 45
1.1 to 17
Fatigue Strength, MPa 290
93 to 190
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
26
Shear Strength, MPa 510
170 to 220
Tensile Strength: Ultimate (UTS), MPa 730
290 to 390
Tensile Strength: Yield (Proof), MPa 310
110 to 340

Thermal Properties

Latent Heat of Fusion, J/g 310
400
Maximum Temperature: Corrosion, °C 460
65
Maximum Temperature: Mechanical, °C 1100
190
Melting Completion (Liquidus), °C 1440
640
Melting Onset (Solidus), °C 1390
580
Specific Heat Capacity, J/kg-K 460
900
Thermal Conductivity, W/m-K 12
120
Thermal Expansion, µm/m-K 18
24

Otherwise Unclassified Properties

Base Metal Price, % relative 39
9.5
Density, g/cm3 8.1
2.7
Embodied Carbon, kg CO2/kg material 7.1
8.9
Embodied Energy, MJ/kg 96
150
Embodied Water, L/kg 240
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
4.2 to 42
Resilience: Unit (Modulus of Resilience), kJ/m3 230
95 to 860
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
50
Strength to Weight: Axial, points 25
29 to 40
Strength to Weight: Bending, points 22
36 to 44
Thermal Diffusivity, mm2/s 3.1
48
Thermal Shock Resistance, points 14
12 to 17

Alloy Composition

Aluminum (Al), % 0
92.4 to 95.6
Carbon (C), % 0 to 0.015
0
Chromium (Cr), % 26 to 28
0.050 to 0.25
Copper (Cu), % 1.0 to 1.4
0 to 0.1
Iron (Fe), % 29 to 36.9
0 to 0.4
Magnesium (Mg), % 0
4.0 to 4.9
Manganese (Mn), % 0 to 2.0
0.4 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0
Silicon (Si), % 0 to 0.3
0 to 0.4
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 0
0 to 0.25
Residuals, % 0
0 to 0.15