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Payment Type: L/C,T/T
Transportation: Ocean,Land,Air,Express
Model No.: ASTM A335 P9 11Cr
Brand: YuHong
Status: New
Applicable Industry: Manufacturing Plant, Construction Works, Energy &Amp; Mining
Out-of-warranty Service: Online Support
Mechanical Test Report: Provided
Marketing Type: Hot Product 2019
Place Of Origin: China
Species: Fin Tube
Use: Heater Parts
Product Name: Alloy Steel Serrated Fin Tube
Specification: ASTM A335
Material: P9/11Cr
Fin Type: Serrated
Fin Material: Carbon or Alloy Steel
Fin Height: 10-50mm
Fin Thickness: 0.3mm ~ 3.0mm
Fin Qty: Depend On Client Request
ASTM A335 P9/11 Cr Serrated Fin Tube for Heat Exchanger Application
The Overview of ASTM A335 P9?
ASTM A335 P9 is a standard specification for seamless ferritic alloy-steel pipe for high-temperature service. This specification covers nominal wall and minimum wall thickness pipe that is used in power plants, refineries, and other high-temperature services. The material is made using an alloyed steel composition, which is designed to offer excellent resistance to high temperatures and corrosion.
The ASTM A335 P9 alloy steel contains chromium, molybdenum, and vanadium, which are elements that give it superior mechanical properties, making it an ideal choice for applications that require high-temperature resistance, good strength and toughness. The alloy steel also possesses good weldability and formability, making it ideal for welding and forging operations.
ASTM A335 P9 alloy steel is commonly used for piping services in high-temperature applications, such as steam boilers, power generation plants, and chemical processing plants. The alloy steel is also used in oil and gas refineries and petrochemical plants, where it is used for high-pressure gas and liquid transmission.
The ASTM A335 P9 Alloy Steel Pipe is available in different sizes, schedules, and lengths to meet the specific requirements of different applications. The pipe can be supplied in either seamless or welded form, depending on the application requirements.
Overall, ASTM A335 P9 is a high-quality, reliable alloy steel that offers excellent performance in high-temperature applications. Its excellent properties make it ideal for use in a wide range of industrial applications.
What’s Helical Serrated Fin Tube?
Helical Serrared Fin Tube is a type of fin tube that is used in heat exchangers where the surface area of heat transfer needs to be maximized. This type of fin tube comprises a helically wound serrated fin that is attached to a base tube. The finning process involves the use of automatic machines that wrap the serrated fins tightly around the tube, ensuring a strong bond between the fins and the base tube.
The helical serrated fin provides a large surface area for heat transfer, which increases the efficiency of the heat exchanger. This type of fin tube is commonly used in high-temperature applications where the heat transfer rate needs to be maximized.
The serrated fin design of the Helical Serrared Fin Tube provides several advantages, including:
1. Increased heat transfer rate: The serrated fin design provides a high surface area for heat transfer, increasing the efficiency of the heat exchanger.
2. Improved strength: The serrated fins are tightly wrapped around the base tube, providing excellent bonding strength and durability.
3. Improved resistance to fouling: The serrated fin design reduces fouling and scaling on the surface of the fin tube, improving the overall performance of the heat exchanger.
Helical Serrared Fin Tube is used in a variety of applications, including air conditioning systems, boilers, steam generators, and high-temperature heat exchangers. It is especially suited for applications in power plants and petrochemical plants, where high-temperature resistance and durability are required.
Overall, the Helical Serrared Fin Tube is an excellent choice for high-temperature heat transfer applications where efficiency, durability, and resistance to fouling are a top priority.
Chemical composition(%):
| Grade | C | Mn | P≤ | S≤ | Si | Cr | Mo |
| P11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P22 | 0.05-0.16 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 1.90-2.60 | 0.87-1.13 |
| P5 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | ≤0.50 | 4.00-6.00 | 0.45-0.65 |
| P9 | ≤0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P91 | 0.08-0.12 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | 0.02-0.50 | 8.00-9.50 | 0.85-1.05 |
| P92 | 0.07-0.13 | 0.30-0.60 | 0.020/0.010 | 0.020/0.010 | ≤0.50 | 8.50-9.50 | 0.30-0.60 |
Mechanical properties:
| Grade | Tensile strength | Yield strength | Elongation |
| P11, P22, P5, P9 | ≥415 | ≥205 | ≥30/20 |
| P91 | ≥585 | ≥415 | ≥20 |
| P92 | ≥620 | ≥440 | ≥20 |
The Application of A335 P9 Serrated Fin Tube:
A335 P9 Serrated Fin Tube is a type of fin tube used in various applications, especially in heat transfer processes. The material of this fin tube has excellent mechanical properties and high-temperature resistivity. Here are some applications of A335 P9 Serrated Fin Tube:
1. Heat exchangers: Because of its exceptional resistance to high temperature, A335 P9 Serrated Fin Tube is frequently used for heat exchangers. The serrated fin design enhances the heat transfer rate by increasing the surface area of contact between the tube and the fin. Heat exchangers employing this type of fin tube can be used in various industries, including chemical, petrochemical, power generation plants, and more.
2. Boilers: A335 P9 Serrated Fin Tube is also suitable for use in boilers because of its strength and thermal properties. It is used in various boiler tubes and components where high-temperature resistance and durability are required.
3. Power Generation Plants: A335 P9 Serrated Fin Tube is a suitable material for use in power generation plants because of its excellent strength and resistance to high temperatures. It is used in various parts such as cooling systems, heat exchangers, and boilers.
| Selling Units | : | Kilogram |
|---|---|---|
| Package Type | : | Ply-Wooden Cases with Plastic Caps |
| Picture Example | : |
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Packaging: Ply-Wooden Cases with Plastic Caps
Productivity: 5000 pcs per month
Transportation: Ocean,Land,Air,Express
Place of Origin: China
Supply Ability: According to Client's Requests
Certificate: ISO , PED, API , CE
HS Code: 8419909000
Payment Type: L/C,T/T
Incoterm: FOB,CIF,EXW,Express Delivery
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.