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AISI 202 Stainless Steel vs. 520.0 Aluminum

AISI 202 stainless steel belongs to the iron alloys classification, while 520.0 aluminum belongs to the aluminum 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 AISI 202 stainless steel and the bottom bar is 520.0 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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