309S Stainless Steel Plate/Sheet Details
Overview
309S stainless steel plate/sheet is an austenitic stainless steel known for its high chromium and nickel content. It is specifically designed for high-temperature applications where resistance to oxidation and corrosion is critical. The low carbon content of 309S enhances its resistance to carbide precipitation during welding.
Key Characteristics
High-Temperature Resistance: Excellent resistance to oxidation and maintains its strength and toughness at elevated temperatures.
Corrosion Resistance: Provides good resistance to oxidation and corrosion in high-temperature environments.
Mechanical Properties: Offers high strength and good ductility, even at high temperatures.
Formability: Can be easily formed and fabricated, including welding, machining, and forming.
Chemical Composition
Carbon (C): ≤ 0.08%
Manganese (Mn): 2.00-3.00%
Silicon (Si): ≤ 1.00%
Phosphorus (P): ≤ 0.045%
Sulfur (S): ≤ 0.03%
Chromium (Cr): 24.0-26.0%
Nickel (Ni): 12.0-15.0%
Nitrogen (N): ≤ 0.10%
Common Applications
High-Temperature Furnaces: Used in furnace components, heat exchangers, and other equipment that operate at high temperatures.
Boiler Parts: Suitable for boiler parts that are exposed to high heat and require resistance to oxidation.
Industrial Ovens: Employed in industrial ovens and kilns for its ability to withstand high temperatures without significant degradation.
Chemical Processing: Utilized in chemical processing equipment where resistance to oxidation and high temperatures is necessary.
Exhaust Systems: Ideal for exhaust systems and other components subjected to high heat and corrosive environments.
Advantages
Exceptional High-Temperature Resistance: Maintains strength and oxidation resistance at elevated temperatures.
Good Corrosion Resistance: Resists oxidation and corrosion in high-temperature applications.
Enhanced Mechanical Properties: Offers high strength and good ductility under high-temperature conditions.
Ease of Fabrication: Can be easily welded, machined, and formed, making it versatile for various applications.
Summary
309S stainless steel plate/sheet is a high-performance material designed for high-temperature environments. Its excellent resistance to oxidation and corrosion, combined with high strength and good formability, makes it suitable for use in demanding applications such as high-temperature furnaces, boilers, and industrial ovens.
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