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5383 Aluminum vs. AISI 422 Stainless Steel

5383 aluminum belongs to the aluminum alloys classification, while AISI 422 stainless steel belongs to the iron alloys. There are 32 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 5383 aluminum and the bottom bar is AISI 422 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85 to 110
260 to 330
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 6.7 to 15
15 to 17
Fatigue Strength, MPa 130 to 200
410 to 500
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 190 to 220
560 to 660
Tensile Strength: Ultimate (UTS), MPa 310 to 370
910 to 1080
Tensile Strength: Yield (Proof), MPa 150 to 310
670 to 870

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Corrosion, °C 65
380
Maximum Temperature: Mechanical, °C 200
650
Melting Completion (Liquidus), °C 650
1480
Melting Onset (Solidus), °C 540
1470
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 130
24
Thermal Expansion, µm/m-K 24
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
4.7
Electrical Conductivity: Equal Weight (Specific), % IACS 97
5.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
11
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 9.0
3.1
Embodied Energy, MJ/kg 160
44
Embodied Water, L/kg 1170
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 40
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 690
1140 to 1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 32 to 38
32 to 38
Strength to Weight: Bending, points 38 to 42
26 to 30
Thermal Diffusivity, mm2/s 51
6.4
Thermal Shock Resistance, points 14 to 16
33 to 39

Alloy Composition

Aluminum (Al), % 92 to 95.3
0
Carbon (C), % 0
0.2 to 0.25
Chromium (Cr), % 0 to 0.25
11 to 12.5
Copper (Cu), % 0 to 0.2
0
Iron (Fe), % 0 to 0.25
81.9 to 85.8
Magnesium (Mg), % 4.0 to 5.2
0
Manganese (Mn), % 0.7 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 0
0.9 to 1.3
Nickel (Ni), % 0
0.5 to 1.0
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
0.9 to 1.3
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 0 to 0.4
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0