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5383 Aluminum vs. S30441 Stainless Steel

5383 aluminum belongs to the aluminum alloys classification, while S30441 stainless steel belongs to the iron alloys. There are 32 material properties with values for both materials. Properties with values for just one material (2, 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 S30441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 85 to 110
170
Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 6.7 to 15
45
Fatigue Strength, MPa 130 to 200
210
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
76
Shear Strength, MPa 190 to 220
400
Tensile Strength: Ultimate (UTS), MPa 310 to 370
580
Tensile Strength: Yield (Proof), MPa 150 to 310
230

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Corrosion, °C 65
460
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 540
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Conductivity, W/m-K 130
15
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 29
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 97
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
18
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 9.0
3.4
Embodied Energy, MJ/kg 160
50
Embodied Water, L/kg 1170
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 23 to 40
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170 to 690
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 50
25
Strength to Weight: Axial, points 32 to 38
21
Strength to Weight: Bending, points 38 to 42
20
Thermal Diffusivity, mm2/s 51
4.0
Thermal Shock Resistance, points 14 to 16
13

Alloy Composition

Aluminum (Al), % 92 to 95.3
0
Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0 to 0.25
17.5 to 19.5
Copper (Cu), % 0 to 0.2
1.5 to 2.5
Iron (Fe), % 0 to 0.25
62 to 71.7
Magnesium (Mg), % 4.0 to 5.2
0
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Nickel (Ni), % 0
8.0 to 10.5
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0
0 to 0.045
Silicon (Si), % 0 to 0.25
1.0 to 2.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Tungsten (W), % 0
0.2 to 0.8
Zinc (Zn), % 0 to 0.4
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.15
0