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711.0 Aluminum vs. EN 1.4539 Stainless Steel

711.0 aluminum belongs to the aluminum alloys classification, while EN 1.4539 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, 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 711.0 aluminum and the bottom bar is EN 1.4539 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 70
200
Elastic (Young's, Tensile) Modulus, GPa 71
200
Elongation at Break, % 7.8
38
Fatigue Strength, MPa 100
220
Poisson's Ratio 0.32
0.28
Shear Modulus, GPa 27
79
Tensile Strength: Ultimate (UTS), MPa 220
630
Tensile Strength: Yield (Proof), MPa 140
260

Thermal Properties

Latent Heat of Fusion, J/g 380
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 640
1440
Melting Onset (Solidus), °C 610
1390
Specific Heat Capacity, J/kg-K 860
460
Thermal Conductivity, W/m-K 160
12
Thermal Expansion, µm/m-K 24
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 120
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
31
Density, g/cm3 3.0
8.1
Embodied Carbon, kg CO2/kg material 7.9
5.7
Embodied Energy, MJ/kg 150
78
Embodied Water, L/kg 1120
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 15
190
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 45
24
Strength to Weight: Axial, points 20
22
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 61
3.2
Thermal Shock Resistance, points 9.3
14

Alloy Composition

Aluminum (Al), % 89.8 to 92.7
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
19 to 21
Copper (Cu), % 0.35 to 0.65
1.2 to 2.0
Iron (Fe), % 0.7 to 1.4
43.1 to 51.8
Magnesium (Mg), % 0.25 to 0.45
0
Manganese (Mn), % 0 to 0.050
0 to 2.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 0
24 to 26
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.3
0 to 0.7
Sulfur (S), % 0
0 to 0.010
Titanium (Ti), % 0 to 0.2
0
Zinc (Zn), % 6.0 to 7.0
0
Residuals, % 0 to 0.15
0