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2011 Aluminum vs. S30601 Stainless Steel

2011 aluminum belongs to the aluminum alloys classification, while S30601 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (8, 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 S30601 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 8.5 to 18
37
Fatigue Strength, MPa 74 to 120
250
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
75
Shear Strength, MPa 190 to 250
450
Tensile Strength: Ultimate (UTS), MPa 310 to 420
660
Tensile Strength: Yield (Proof), MPa 140 to 310
300

Thermal Properties

Latent Heat of Fusion, J/g 390
370
Maximum Temperature: Mechanical, °C 190
950
Melting Completion (Liquidus), °C 640
1360
Melting Onset (Solidus), °C 540
1310
Specific Heat Capacity, J/kg-K 870
500
Thermal Expansion, µm/m-K 23
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
20
Density, g/cm3 3.1
7.6
Embodied Carbon, kg CO2/kg material 7.9
3.9
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1150
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
200
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 27 to 37
24
Strength to Weight: Bending, points 32 to 40
22
Thermal Shock Resistance, points 14 to 19
16

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.015
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 5.0 to 6.0
0 to 0.35
Iron (Fe), % 0 to 0.7
56.9 to 60.5
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0.5 to 0.8
Molybdenum (Mo), % 0
0 to 0.2
Nickel (Ni), % 0
17 to 18
Nitrogen (N), % 0
0 to 0.050
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
5.0 to 5.6
Sulfur (S), % 0
0 to 0.013
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0