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2011 Aluminum vs. S36200 Stainless Steel

2011 aluminum belongs to the aluminum alloys classification, while S36200 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 2011 aluminum and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 8.5 to 18
3.4 to 4.6
Fatigue Strength, MPa 74 to 120
450 to 570
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 190 to 250
680 to 810
Tensile Strength: Ultimate (UTS), MPa 310 to 420
1180 to 1410
Tensile Strength: Yield (Proof), MPa 140 to 310
960 to 1240

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 190
820
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 540
1400
Specific Heat Capacity, J/kg-K 870
480
Thermal Conductivity, W/m-K 140 to 170
16
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
12
Density, g/cm3 3.1
7.8
Embodied Carbon, kg CO2/kg material 7.9
2.8
Embodied Energy, MJ/kg 150
40
Embodied Water, L/kg 1150
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
46 to 51
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
2380 to 3930
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 27 to 37
42 to 50
Strength to Weight: Bending, points 32 to 40
32 to 36
Thermal Diffusivity, mm2/s 51 to 64
4.3
Thermal Shock Resistance, points 14 to 19
40 to 48

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0 to 0.1
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
14 to 14.5
Copper (Cu), % 5.0 to 6.0
0
Iron (Fe), % 0 to 0.7
75.4 to 79.5
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
0 to 0.3
Nickel (Ni), % 0
6.5 to 7.0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0
0.6 to 0.9
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0