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EN 1.4005 Stainless Steel vs. 6110A Aluminum

EN 1.4005 stainless steel belongs to the iron alloys classification, while 6110A aluminum belongs to the aluminum 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 EN 1.4005 stainless steel and the bottom bar is 6110A aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
70
Elongation at Break, % 13 to 21
11 to 18
Fatigue Strength, MPa 240 to 290
140 to 210
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 76
26
Shear Strength, MPa 390 to 450
220 to 280
Tensile Strength: Ultimate (UTS), MPa 630 to 750
360 to 470
Tensile Strength: Yield (Proof), MPa 370 to 500
250 to 430

Thermal Properties

Latent Heat of Fusion, J/g 270
410
Maximum Temperature: Mechanical, °C 760
190
Melting Completion (Liquidus), °C 1440
650
Melting Onset (Solidus), °C 1400
600
Specific Heat Capacity, J/kg-K 480
900
Thermal Conductivity, W/m-K 30
160
Thermal Expansion, µm/m-K 10
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
42
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
140

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
9.5
Density, g/cm3 7.7
2.8
Embodied Carbon, kg CO2/kg material 2.0
8.4
Embodied Energy, MJ/kg 28
150
Embodied Water, L/kg 100
1170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
47 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
450 to 1300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
50
Strength to Weight: Axial, points 23 to 27
36 to 47
Strength to Weight: Bending, points 21 to 24
41 to 48
Thermal Diffusivity, mm2/s 8.1
65
Thermal Shock Resistance, points 23 to 27
16 to 21

Alloy Composition

Aluminum (Al), % 0
94.8 to 98
Carbon (C), % 0.060 to 0.15
0
Chromium (Cr), % 12 to 14
0.050 to 0.25
Copper (Cu), % 0
0.3 to 0.8
Iron (Fe), % 82.4 to 87.8
0 to 0.5
Magnesium (Mg), % 0
0.7 to 1.1
Manganese (Mn), % 0 to 1.5
0.3 to 0.9
Molybdenum (Mo), % 0 to 0.6
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0.7 to 1.1
Sulfur (S), % 0.15 to 0.35
0
Titanium (Ti), % 0
0 to 0.2
Zinc (Zn), % 0
0 to 0.2
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15