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520.0 Aluminum vs. EN 1.4024 Stainless Steel

520.0 aluminum belongs to the aluminum alloys classification, while EN 1.4024 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 520.0 aluminum and the bottom bar is EN 1.4024 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 66
190
Elongation at Break, % 14
15 to 22
Fatigue Strength, MPa 55
220 to 300
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
76
Shear Strength, MPa 230
370 to 460
Tensile Strength: Ultimate (UTS), MPa 330
590 to 750
Tensile Strength: Yield (Proof), MPa 170
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 390
270
Maximum Temperature: Mechanical, °C 170
760
Melting Completion (Liquidus), °C 600
1440
Melting Onset (Solidus), °C 480
1400
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 87
30
Thermal Expansion, µm/m-K 25
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 72
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
7.0
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
1.9
Embodied Energy, MJ/kg 160
27
Embodied Water, L/kg 1170
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 230
280 to 660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 35
21 to 27
Strength to Weight: Bending, points 41
20 to 24
Thermal Diffusivity, mm2/s 37
8.1
Thermal Shock Resistance, points 14
21 to 26

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Carbon (C), % 0
0.12 to 0.17
Chromium (Cr), % 0
12 to 14
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.3
83.8 to 87.9
Magnesium (Mg), % 9.5 to 10.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.015
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0