AISI 309 Stainless Steel Plate SUS309 1.4828

309 Stainless Steel Plate/Sheet Details

Overview

309 stainless steel plate/sheet is an austenitic stainless steel known for its high chromium and nickel content. This composition provides excellent corrosion and oxidation resistance at elevated temperatures. 309 stainless steel is often used in applications that require superior resistance to high-temperature environments and oxidation.

Key Characteristics

High-Temperature Resistance: Excellent resistance to oxidation and maintains its strength and mechanical properties at elevated temperatures up to approximately 1000°C (1832°F).

Corrosion Resistance: Provides good resistance to corrosion in various environments, especially at high temperatures.

Mechanical Properties: Offers high strength and good ductility, even at elevated temperatures.

Formability: Can be easily formed, welded, and machined to suit various applications.

Chemical Composition

Carbon (C): ≤ 0.20%

Manganese (Mn): ≤ 2.00%

Silicon (Si): ≤ 1.00%

Phosphorus (P): ≤ 0.045%

Sulfur (S): ≤ 0.03%

Chromium (Cr): 22.0-24.0%

Nickel (Ni): 12.0-15.0%

Nitrogen (N): ≤ 0.10%

Common Applications

High-Temperature Furnaces: Used in furnace parts, heat exchangers, and other high-temperature equipment.

Boiler Components: Suitable for parts of boilers that are exposed to high temperatures and harsh environments.

Chemical Processing: Employed in chemical processing equipment that requires resistance to high temperatures and aggressive chemicals.

Industrial Ovens: Ideal for use in industrial ovens and kilns where high-temperature stability is essential.

Exhaust Systems: Utilized in exhaust systems and components exposed to high heat and corrosive gases.

Advantages

Exceptional High-Temperature Performance: Maintains strength and resistance to oxidation at temperatures up to approximately 1000°C (1832°F).

Good Corrosion Resistance: Resists oxidation and corrosion in high-temperature and aggressive environments.

Enhanced Mechanical Properties: Offers high strength and good ductility even under high-temperature conditions.

Ease of Fabrication: Can be easily welded, machined, and formed, making it versatile for various applications.

Summary

309 stainless steel plate/sheet is a high-performance material designed for use in extreme high-temperature environments. Its superior oxidation resistance, combined with excellent mechanical properties and formability, makes it an ideal choice for applications such as high-temperature furnaces, boilers, chemical processing, and industrial ovens.

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Common surfaces

Stainless Steel Standards Comparison Table

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