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2011 Aluminum vs. EN 1.4110 Stainless Steel

2011 aluminum belongs to the aluminum alloys classification, while EN 1.4110 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (2, 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 EN 1.4110 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 71
190
Elongation at Break, % 8.5 to 18
11 to 14
Fatigue Strength, MPa 74 to 120
250 to 730
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 27
76
Shear Strength, MPa 190 to 250
470 to 1030
Tensile Strength: Ultimate (UTS), MPa 310 to 420
770 to 1720
Tensile Strength: Yield (Proof), MPa 140 to 310
430 to 1330

Thermal Properties

Latent Heat of Fusion, J/g 390
280
Maximum Temperature: Mechanical, °C 190
790
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
30
Thermal Expansion, µm/m-K 23
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35 to 45
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 100 to 130
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 11
8.0
Density, g/cm3 3.1
7.7
Embodied Carbon, kg CO2/kg material 7.9
2.3
Embodied Energy, MJ/kg 150
33
Embodied Water, L/kg 1150
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29 to 52
90 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 680
480 to 4550
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 44
25
Strength to Weight: Axial, points 27 to 37
28 to 62
Strength to Weight: Bending, points 32 to 40
24 to 41
Thermal Diffusivity, mm2/s 51 to 64
8.1
Thermal Shock Resistance, points 14 to 19
27 to 60

Alloy Composition

Aluminum (Al), % 91.3 to 94.6
0
Bismuth (Bi), % 0.2 to 0.6
0
Carbon (C), % 0
0.48 to 0.6
Chromium (Cr), % 0
13 to 15
Copper (Cu), % 5.0 to 6.0
0
Iron (Fe), % 0 to 0.7
81.4 to 86
Lead (Pb), % 0.2 to 0.6
0
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 0.8
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Vanadium (V), % 0
0 to 0.15
Zinc (Zn), % 0 to 0.3
0
Residuals, % 0 to 0.15
0