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5652 Aluminum vs. S44401 Stainless Steel

5652 aluminum belongs to the aluminum alloys classification, while S44401 stainless steel belongs to the iron alloys. There are 30 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 5652 aluminum and the bottom bar is S44401 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 68
200
Elongation at Break, % 6.8 to 25
21
Fatigue Strength, MPa 60 to 140
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 110 to 170
300
Tensile Strength: Ultimate (UTS), MPa 190 to 290
480
Tensile Strength: Yield (Proof), MPa 74 to 260
300

Thermal Properties

Latent Heat of Fusion, J/g 400
280
Maximum Temperature: Mechanical, °C 190
930
Melting Completion (Liquidus), °C 650
1460
Melting Onset (Solidus), °C 610
1420
Specific Heat Capacity, J/kg-K 900
470
Thermal Conductivity, W/m-K 140
22
Thermal Expansion, µm/m-K 24
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 120
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.7
7.8
Embodied Carbon, kg CO2/kg material 8.6
2.9
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1190
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 12 to 39
90
Resilience: Unit (Modulus of Resilience), kJ/m3 40 to 480
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 51
25
Strength to Weight: Axial, points 20 to 30
17
Strength to Weight: Bending, points 27 to 36
18
Thermal Diffusivity, mm2/s 57
5.9
Thermal Shock Resistance, points 8.4 to 13
17

Alloy Composition

Aluminum (Al), % 95.8 to 97.7
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0.15 to 0.35
17.5 to 19.5
Copper (Cu), % 0 to 0.040
0
Iron (Fe), % 0 to 0.4
75.1 to 80.6
Magnesium (Mg), % 2.2 to 2.8
0
Manganese (Mn), % 0 to 0.010
0 to 1.0
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0
0 to 1.0
Nitrogen (N), % 0
0 to 0.035
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0