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520.0 Aluminum vs. EN 1.4477 Stainless Steel

520.0 aluminum belongs to the aluminum alloys classification, while EN 1.4477 stainless steel belongs to the iron alloys. There are 31 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
270
Elastic (Young's, Tensile) Modulus, GPa 66
210
Elongation at Break, % 14
22 to 23
Fatigue Strength, MPa 55
420 to 490
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
81
Shear Strength, MPa 230
550 to 580
Tensile Strength: Ultimate (UTS), MPa 330
880 to 930
Tensile Strength: Yield (Proof), MPa 170
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 600
1430
Melting Onset (Solidus), °C 480
1380
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 87
13
Thermal Expansion, µm/m-K 25
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 72
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
20
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
3.7
Embodied Energy, MJ/kg 160
52
Embodied Water, L/kg 1170
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 230
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 35
31 to 33
Strength to Weight: Bending, points 41
26 to 27
Thermal Diffusivity, mm2/s 37
3.5
Thermal Shock Resistance, points 14
23 to 25

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0 to 0.25
0 to 0.8
Iron (Fe), % 0 to 0.3
56.6 to 63.6
Magnesium (Mg), % 9.5 to 10.6
0
Manganese (Mn), % 0 to 0.15
0.8 to 1.5
Molybdenum (Mo), % 0
1.5 to 2.6
Nickel (Ni), % 0
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0 to 0.25
0 to 0.5
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