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515.0 Aluminum vs. S32001 Stainless Steel

515.0 aluminum belongs to the aluminum alloys classification, while S32001 stainless steel belongs to the iron alloys. There are 23 material properties with values for both materials. Properties with values for just one material (10, 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 515.0 aluminum and the bottom bar is S32001 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
200
Elongation at Break, % 10
28
Fatigue Strength, MPa 130
370
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 190
450
Tensile Strength: Ultimate (UTS), MPa 280
690

Thermal Properties

Latent Heat of Fusion, J/g 470
290
Maximum Temperature: Mechanical, °C 170
970
Melting Completion (Liquidus), °C 620
1420
Melting Onset (Solidus), °C 620
1370
Specific Heat Capacity, J/kg-K 900
480
Thermal Expansion, µm/m-K 23
13

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
12
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 8.4
2.6
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1120
150

Common Calculations

Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 30
25
Strength to Weight: Bending, points 36
23
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 93.6 to 96.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 0 to 0.2
0 to 1.0
Iron (Fe), % 0 to 1.3
66.6 to 75.5
Magnesium (Mg), % 2.5 to 4.0
0
Manganese (Mn), % 0.4 to 0.6
4.0 to 6.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 0
1.0 to 3.0
Nitrogen (N), % 0
0.050 to 0.17
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.5 to 10
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 0 to 0.1
0
Residuals, % 0 to 0.15
0