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520.0 Aluminum vs. S44660 Stainless Steel

520.0 aluminum belongs to the aluminum alloys classification, while S44660 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 S44660 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
210
Elastic (Young's, Tensile) Modulus, GPa 66
210
Elongation at Break, % 14
20
Fatigue Strength, MPa 55
330
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 25
81
Shear Strength, MPa 230
410
Tensile Strength: Ultimate (UTS), MPa 330
660
Tensile Strength: Yield (Proof), MPa 170
510

Thermal Properties

Latent Heat of Fusion, J/g 390
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 600
1460
Melting Onset (Solidus), °C 480
1410
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 87
17
Thermal Expansion, µm/m-K 25
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 72
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
21
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
4.3
Embodied Energy, MJ/kg 160
61
Embodied Water, L/kg 1170
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
120
Resilience: Unit (Modulus of Resilience), kJ/m3 230
640
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 35
24
Strength to Weight: Bending, points 41
22
Thermal Diffusivity, mm2/s 37
4.5
Thermal Shock Resistance, points 14
21

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
25 to 28
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.3
60.4 to 71
Magnesium (Mg), % 9.5 to 10.6
0
Manganese (Mn), % 0 to 0.15
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
1.0 to 3.5
Niobium (Nb), % 0
0.2 to 1.0
Nitrogen (N), % 0
0 to 0.040
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0.2 to 1.0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0