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2036 Aluminum vs. S40930 Stainless Steel

2036 aluminum belongs to the aluminum alloys classification, while S40930 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 S40930 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 70
190
Elongation at Break, % 24
23
Fatigue Strength, MPa 130
130
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 26
75
Shear Strength, MPa 210
270
Tensile Strength: Ultimate (UTS), MPa 340
430
Tensile Strength: Yield (Proof), MPa 200
190

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 190
710
Melting Completion (Liquidus), °C 650
1450
Melting Onset (Solidus), °C 560
1410
Specific Heat Capacity, J/kg-K 890
480
Thermal Conductivity, W/m-K 160
25
Thermal Expansion, µm/m-K 23
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 41
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 130
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 10
8.5
Density, g/cm3 2.9
7.8
Embodied Carbon, kg CO2/kg material 8.1
2.3
Embodied Energy, MJ/kg 150
32
Embodied Water, L/kg 1160
94

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 70
80
Resilience: Unit (Modulus of Resilience), kJ/m3 270
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 48
25
Strength to Weight: Axial, points 33
16
Strength to Weight: Bending, points 38
16
Thermal Diffusivity, mm2/s 62
6.7
Thermal Shock Resistance, points 15
16

Alloy Composition

Aluminum (Al), % 94.4 to 97.4
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0 to 0.1
10.5 to 11.7
Copper (Cu), % 2.2 to 3.0
0
Iron (Fe), % 0 to 0.5
84.7 to 89.4
Magnesium (Mg), % 0.3 to 0.6
0
Manganese (Mn), % 0.1 to 0.4
0 to 1.0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.080 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Titanium (Ti), % 0 to 0.15
0.050 to 0.2
Zinc (Zn), % 0 to 0.25
0
Residuals, % 0 to 0.15
0