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2036 Aluminum vs. S32001 Stainless Steel

2036 aluminum belongs to the aluminum alloys classification, while S32001 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 2036 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, % 24
28
Fatigue Strength, MPa 130
370
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
78
Shear Strength, MPa 210
450
Tensile Strength: Ultimate (UTS), MPa 340
690
Tensile Strength: Yield (Proof), MPa 200
510

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Maximum Temperature: Mechanical, °C 190
970
Melting Completion (Liquidus), °C 650
1420
Melting Onset (Solidus), °C 560
1370
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 160
15
Thermal Expansion, µm/m-K 23
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 130
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
12
Density, g/cm3 2.9
7.7
Embodied Carbon, kg CO2/kg material 8.1
2.6
Embodied Energy, MJ/kg 150
37
Embodied Water, L/kg 1160
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
180
Resilience: Unit (Modulus of Resilience), kJ/m3 270
660
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 38
23
Thermal Diffusivity, mm2/s 62
4.0
Thermal Shock Resistance, points 15
19

Alloy Composition

Aluminum (Al), % 94.4 to 97.4
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
19.5 to 21.5
Copper (Cu), % 2.2 to 3.0
0 to 1.0
Iron (Fe), % 0 to 0.5
66.6 to 75.5
Magnesium (Mg), % 0.3 to 0.6
0
Manganese (Mn), % 0.1 to 0.4
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 to 0.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.15
0
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0