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S46910 Stainless Steel vs. 2011A Aluminum

S46910 stainless steel belongs to the iron alloys classification, while 2011A aluminum belongs to the aluminum 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 S46910 stainless steel and the bottom bar is 2011A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
70
Elongation at Break, % 2.2 to 11
6.8 to 16
Fatigue Strength, MPa 250 to 1020
75 to 100
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 410 to 1410
190 to 250
Tensile Strength: Ultimate (UTS), MPa 680 to 2470
310 to 410
Tensile Strength: Yield (Proof), MPa 450 to 2290
140 to 310

Thermal Properties

Latent Heat of Fusion, J/g 280
390
Maximum Temperature: Mechanical, °C 810
190
Melting Completion (Liquidus), °C 1460
660
Melting Onset (Solidus), °C 1420
550
Specific Heat Capacity, J/kg-K 470
870
Thermal Expansion, µm/m-K 11
23

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 48 to 130
20 to 40
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 4780
140 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
44
Strength to Weight: Axial, points 24 to 86
28 to 37
Strength to Weight: Bending, points 22 to 51
33 to 40
Thermal Shock Resistance, points 23 to 84
14 to 18

Alloy Composition

Aluminum (Al), % 0.15 to 0.5
91.5 to 95.1
Bismuth (Bi), % 0
0.2 to 0.6
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 11 to 13
0
Copper (Cu), % 1.5 to 3.5
4.5 to 6.0
Iron (Fe), % 65 to 76
0 to 0.5
Lead (Pb), % 0
0.2 to 0.6
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 8.0 to 10
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.015
0
Titanium (Ti), % 0.5 to 1.2
0
Zinc (Zn), % 0
0 to 0.3
Residuals, % 0
0 to 0.15

Comparable Variants