Understanding the Properties and Applications of 309S24 Stainless Steel Grade

[ad_1] The 309S24 stainless steel grade is a heat resistant austenitic stainless steel that exhibits excellent high-temperature properties. It is commonly used in applications that require high strength and resistance to oxidation and corrosion at elevated temperatures.

Mechanical properties:
– Tensile strength: 620-850 MPa
– Yield strength: 275 MPa
– Elongation: 45%

Technical properties:
– Density: 7.89 g/cm3
– Electrical resistivity: 0.78 μΩm
– Thermal conductivity: 14.2 W/m°C
– Specific heat capacity: 500 J/kg°C
– Melting point: 1398-1454°C

Chemical composition:
– Carbon (C): 0.08% max
– Silicon (Si): 1.5% max
– Manganese (Mn): 2% max
– Phosphorus (P): 0.045% max
– Sulfur (S): 0.03% max
– Chromium (Cr): 22-24%
– Nickel (Ni): 12-15%
– Iron (Fe): Balance

Applications:
– Heat exchangers
– Furnace parts
– Aerospace industry
– Chemical processing equipment
– High-temperature automotive components
– Thermal processing equipment

In summary, the 309S24 stainless steel grade offers excellent mechanical, technical, and chemical properties, making it suitable for various high-temperature applications where strength and corrosion resistance are essential.
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