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2011 Aluminum vs. S46910 Stainless Steel

2011 aluminum belongs to the aluminum alloys classification, while S46910 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 S46910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 8.5 to 18
2.2 to 11
Fatigue Strength, MPa 74 to 120
250 to 1020
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 190 to 250
410 to 1410
Tensile Strength: Ultimate (UTS), MPa 310 to 420
680 to 2470
Tensile Strength: Yield (Proof), MPa 140 to 310
450 to 2290

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 190
810
Melting Completion (Liquidus), °C 640
1460
Melting Onset (Solidus), °C 540
1420
Specific Heat Capacity, J/kg-K 870
470
Thermal Expansion, µm/m-K 23
11

Otherwise Unclassified Properties

Base Metal Price, % relative 11
18
Density, g/cm3 3.1
7.9
Embodied Carbon, kg CO2/kg material 7.9
4.1
Embodied Energy, MJ/kg 150
55
Embodied Water, L/kg 1150
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
48 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
510 to 4780
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
24
Strength to Weight: Axial, points 27 to 37
24 to 86
Strength to Weight: Bending, points 32 to 40
22 to 51
Thermal Shock Resistance, points 14 to 19
23 to 84

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0.15 to 0.5
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
11 to 13
Copper (Cu), % 5.0 to 6.0
1.5 to 3.5
Iron (Fe), % 0 to 0.7
65 to 76
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0

Comparable Variants