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Heat Exchanger Tube ASTM A789 S32205 Duplex Steel Tube
ASTM A789 S32205 Duplex Steel Tube is a high-performance material widely used in demanding industrial environments due to its excellent mechanical properties, corrosion resistance, and dual-phase structure. It is specifically designed to deliver optimal performance in applications involving extreme conditions such as high temperatures, pressures, and corrosive environments.
Key Features of S32205 Duplex Steel Tubes:
1. High Strength: S32205 duplex steel has nearly double the yield strength compared to conventional austenitic stainless steels such as 304 and 316.
2. Corrosion Resistance: Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride-rich environments.
3. Thermal Performance: Good thermal conductivity, making it ideal for heat exchangers and other heat transfer equipment.
4. Dual-Phase Microstructure: Combines the advantages of ferritic and austenitic steel, offering strength, toughness, and excellent resistance to localized corrosion.
5. Weldability: The material can be easily welded using most standard techniques.
Chemical Composition:
Grade | Cr | Ni | Mo | Mn |
ASME SA789 S32205 | 22.0 – 23.0 | 4.5 – 6.5 | 3.0 – 3.5 | ≤ 2.0 |
Common Applications:
· Heat Exchangers: Commonly used in chemical, petrochemical, and power generation industries.
· Condensers and Evaporators: Suitable for equipment that requires efficient heat transfer and resistance to corrosion.
· Oil and Gas Industry: Ideal for offshore platforms, pipelines, and other equipment exposed to seawater and harsh environments.
· Marine Applications: Performs well in seawater cooling systems and desalination plants due to its high chloride corrosion resistance.
· Pulp and Paper Industry: Resists aggressive chemical attacks in bleaching operations.
· Chemical Processing: Suitable for handling acidic and caustic substances in production processes.