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520.0 Aluminum vs. AISI 202 Stainless Steel

520.0 aluminum belongs to the aluminum alloys classification, while AISI 202 stainless steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 AISI 202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 75
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 66
200
Elongation at Break, % 14
14 to 45
Fatigue Strength, MPa 55
290 to 330
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 25
77
Shear Strength, MPa 230
490 to 590
Tensile Strength: Ultimate (UTS), MPa 330
700 to 980
Tensile Strength: Yield (Proof), MPa 170
310 to 580

Thermal Properties

Latent Heat of Fusion, J/g 390
290
Maximum Temperature: Mechanical, °C 170
910
Melting Completion (Liquidus), °C 600
1400
Melting Onset (Solidus), °C 480
1360
Specific Heat Capacity, J/kg-K 910
480
Thermal Conductivity, W/m-K 87
15
Thermal Expansion, µm/m-K 25
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 21
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 72
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
13
Density, g/cm3 2.6
7.7
Embodied Carbon, kg CO2/kg material 9.8
2.8
Embodied Energy, MJ/kg 160
40
Embodied Water, L/kg 1170
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 230
250 to 840
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 52
25
Strength to Weight: Axial, points 35
25 to 35
Strength to Weight: Bending, points 41
23 to 29
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 14
15 to 21

Alloy Composition

Aluminum (Al), % 87.9 to 90.5
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 0 to 0.3
63.5 to 71.5
Magnesium (Mg), % 9.5 to 10.6
0
Manganese (Mn), % 0 to 0.15
7.5 to 10
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0 to 0.25
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Titanium (Ti), % 0 to 0.25
0
Zinc (Zn), % 0 to 0.15
0
Residuals, % 0 to 0.15
0