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The Description Of Super Duplex Steel Pipe
Super duplex steel pipe is a type of stainless steel pipe that is highly resistant to corrosion, particularly in environments with high levels of chlorides and other aggressive agents. It is known for its superior strength, durability, and resistance to pitting and crevice corrosion. Super duplex steel pipes are composed of a dual microstructure of austenite and ferrite, which gives them a higher resistance to stress corrosion cracking and good mechanical properties. They are commonly used in various industries such as oil and gas, chemical processing, and seawater applications.
The Chemical Component of 2205
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | N |
| Standard | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.04 | ≤0.03 | 21-24 | 4.5-6.5 | 2.5-3.5 | 0.08-0.2 |
The Chemical Component of 2507
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | N |
| Standard | ≤0.03 | ≤0.80 | ≤1.2 | ≤0.035 | ≤0.02 | 24-26 | 6-8 | 3-5 | 0.24-0.32 |
The Chemical Component of 904L
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| Standard | ≤0.02 | ≤1.0 | ≤2.0 | ≤0.04 | ≤0.03 | 19-23 | 23-28 | 4-5 | 0.1 | 1-2 |
The Application of Super Duplex Steel Pipe
Stainless steel super duplex pipes have a wide range of applications in various industries due to their unique properties. Some of the common applications of stainless steel super duplex pipes include:
1. Oil and gas industry: Super duplex pipes are used in offshore oil platforms, subsea pipeline systems, and refineries, where they provide excellent corrosion resistance and high strength in challenging environments.
2. Chemical processing: These pipes are used in chemical plants for transporting corrosive fluids such as acids, solvents, and caustic materials due to their superior corrosion resistance.
3. Desalination plants: Super duplex pipes are utilized in desalination plants, where they come into contact with highly corrosive seawater and brine, providing exceptional resistance to corrosion and stress cracking.
4. Marine industry: These pipes find applications in shipbuilding and marine structures where they are exposed to seawater, corrosion, and high mechanical stress. They are also used in offshore drilling rigs and underwater pipelines.
5. Power generation: Super duplex pipes are used in power plants for various applications such as cooling systems, condensers, and heat exchangers, due to their excellent resistance to corrosion and erosion.
6. Pulp and paper industry: These pipes are used in the pulp and paper industry for transporting corrosive chemicals, acids, and bleaching agents.
7. Food and beverage industry: Stainless steel super duplex pipes are used in the food and beverage industry for conveying sanitary liquids and gases due to their high corrosion resistance and hygienic properties.
The Description Of Super Duplex Steel Pipe
Super duplex steel pipe is a type of stainless steel pipe that is highly resistant to corrosion, particularly in environments with high levels of chlorides and other aggressive agents. It is known for its superior strength, durability, and resistance to pitting and crevice corrosion. Super duplex steel pipes are composed of a dual microstructure of austenite and ferrite, which gives them a higher resistance to stress corrosion cracking and good mechanical properties. They are commonly used in various industries such as oil and gas, chemical processing, and seawater applications.
The Chemical Component of 2205
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | N |
| Standard | ≤0.03 | ≤1.00 | ≤2.00 | ≤0.04 | ≤0.03 | 21-24 | 4.5-6.5 | 2.5-3.5 | 0.08-0.2 |
The Chemical Component of 2507
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | N |
| Standard | ≤0.03 | ≤0.80 | ≤1.2 | ≤0.035 | ≤0.02 | 24-26 | 6-8 | 3-5 | 0.24-0.32 |
The Chemical Component of 904L
| Element | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
| Standard | ≤0.02 | ≤1.0 | ≤2.0 | ≤0.04 | ≤0.03 | 19-23 | 23-28 | 4-5 | 0.1 | 1-2 |
The Application of Super Duplex Steel Pipe
Stainless steel super duplex pipes have a wide range of applications in various industries due to their unique properties. Some of the common applications of stainless steel super duplex pipes include:
1. Oil and gas industry: Super duplex pipes are used in offshore oil platforms, subsea pipeline systems, and refineries, where they provide excellent corrosion resistance and high strength in challenging environments.
2. Chemical processing: These pipes are used in chemical plants for transporting corrosive fluids such as acids, solvents, and caustic materials due to their superior corrosion resistance.
3. Desalination plants: Super duplex pipes are utilized in desalination plants, where they come into contact with highly corrosive seawater and brine, providing exceptional resistance to corrosion and stress cracking.
4. Marine industry: These pipes find applications in shipbuilding and marine structures where they are exposed to seawater, corrosion, and high mechanical stress. They are also used in offshore drilling rigs and underwater pipelines.
5. Power generation: Super duplex pipes are used in power plants for various applications such as cooling systems, condensers, and heat exchangers, due to their excellent resistance to corrosion and erosion.
6. Pulp and paper industry: These pipes are used in the pulp and paper industry for transporting corrosive chemicals, acids, and bleaching agents.
7. Food and beverage industry: Stainless steel super duplex pipes are used in the food and beverage industry for conveying sanitary liquids and gases due to their high corrosion resistance and hygienic properties.
