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5383-O Aluminum vs. Annealed S45500 Stainless Steel

5383-O aluminum belongs to the aluminum alloys classification, while annealed S45500 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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-O aluminum and the bottom bar is annealed S45500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85
280
Elastic (Young's, Tensile) Modulus, GPa 68
190
Elongation at Break, % 15
3.4
Fatigue Strength, MPa 160
570
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 190
790
Tensile Strength: Ultimate (UTS), MPa 310
1370
Tensile Strength: Yield (Proof), MPa 150
1240

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Corrosion, °C 65
620
Maximum Temperature: Mechanical, °C 200
760
Melting Completion (Liquidus), °C 650
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 900
470
Thermal Expansion, µm/m-K 24
11

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
17
Density, g/cm3 2.7
7.9
Embodied Carbon, kg CO2/kg material 9.0
3.8
Embodied Energy, MJ/kg 160
57
Embodied Water, L/kg 1170
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
45
Resilience: Unit (Modulus of Resilience), kJ/m3 170
4000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
24
Strength to Weight: Axial, points 32
48
Strength to Weight: Bending, points 38
35
Thermal Shock Resistance, points 14
48

Alloy Composition

Aluminum (Al), % 92 to 95.3
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0 to 0.25
11 to 12.5
Copper (Cu), % 0 to 0.2
1.5 to 2.5
Iron (Fe), % 0 to 0.25
71.5 to 79.2
Magnesium (Mg), % 4.0 to 5.2
0
Manganese (Mn), % 0.7 to 1.0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
7.5 to 9.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 0.5
Sulfur (S), % 0
0 to 0.030
Tantalum (Ta), % 0
0 to 0.5
Titanium (Ti), % 0 to 0.15
0.8 to 1.4
Zinc (Zn), % 0 to 0.4
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0