ASTM A335 P9 11R SERRATED FIN TUBE oil Refining Condencer

Product Details
Place of Origin: China
Brand Name: TONG CHUANG
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2015
Model Number: ASTM A335 P9 11R
Payment & Shipping Terms
Minimum Order Quantity: 500KGS
Price: NEGOTIABLE
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 10-90 Days
Payment Terms: L/C, T/T
Supply Ability: According To Client's Request

SKU: 544 Category:
Standard:ASTM A335Size:Customized
Tube Wall Thickness:CustomizedFin Material:P9 11R
Tube/Pipe Size:16-219MMFin Tube Length:No Practical Limit
Finned Height:＜17MMFin Type:1 To 7 Fins Per Inch
FinPitch:2.1-5MM
High Light:

oil Refining condenser SERRATED FIN TUBE

，

P9 11R SERRATED FIN TUBE

ASTM A335 P9 11R SERRATED FIN TUBE
 
ASTM A335 Grade P9 is the specification for seamless ferritic alloy steel pipe designed for high temperature service. It is commonly used in power plants， refineries， etc.
Other industrial applications where high temperature and high pressure conditions exist Grade P9 provides excellent resistance to oxidation and high pressure
Temperature intensity. ASTM A-335 P9 Grade Spiral Fin Tube is made from high-quality materials and is designed to withstand extreme temperatures and pressures.
Spiral fin tube， also known as fin tube， is a heat transfer surface composed of fins wrapped around the outer surface of a base tube. Fins increase surface area
The tube area is conducive to enhancing heat transfer.
 
 

The serrated finned tube is produced using high-frequency welding technology and has high-frequency patented technology. Using high-frequency power as the heat source， the steel strip and steel pipe are heated and welded together at the same time. It has the characteristics of long life， wide operating temperature range and high voltage resistance.

Serrations are small grooves or notches cut into the surface of the fins that disrupt the boundary layer and increase turbulence in the fluid flowing through the fins. This increased turbulence enhances convective heat transfer between the pipes and fluid， resulting in a more efficient heat exchanger. Serrated finned tubes are commonly used in applications requiring high thermal performance such as boilers， air-cooled condensers and other heat exchangers.

 
Application
 
1. Enhance heat transfer efficiency: The spiral fin design increases the surface area of the tube， thereby improving the heat transfer rate and efficiency.
2. Compact size: The heat transfer efficiency is improved， and more compact heat exchangers and equipment can be designed.
3. Reduce energy consumption: The improvement of heat transfer efficiency means the reduction of energy consumption， making spiral fin tubes more cost-effective.
4. High temperature resistance: ASTM A335 Grade P9 aly-steel has excellent high temperature resistance， making the pipe suitable for harsh applications
app.
5. Corrosion resistance: P9 grade alloy steel has good corrosion resistance， ensuring the durability and service life of the spiral fin tube.
ASTM A335 Grade P9 spiral pipe applications:
– Heat exchanger: used for efficient heat exchange between two fluids in industrial processes.
. boiler. Used in power plants and industrial facilities to generate steam.
. Furnace: A high-temperature process used for heating or drying applications.
. Refinery: used in various refining processes that require high temperature resistance and efficient heat transfer.
Specific uses for ASTM A335 Grade P9 Spiral Fin Tube may vary depending on industry and application requirements. 
 
 

Specification

TypeDescriptionBase tube
O.D. (mm)		Fin specification (mm)
Fin pitchFin heightFin thick
EmbeddedG-type fin tube16-632.1-5<17~0.4
ExtrudedSingle metal combined metal8-511.6-10<170.2-0.4
Low fin tube t-type fin tube10-380.6-2<1.6~0.3
Bamboo tube corrugated tube16-518-30<2.5/
Woundl/kl/ll type fin tube16-632.1-5<17~0.4
StringString fin tube25-382.1-3.5<200.2-0.5
U-typeU-type tube16-38///
WeldingHF-welding fin tube16-2193-255-300.8-3
H/HH type fin tube25-638-30<2001.5-3.5
Studed fin tube25-2198-305-35φ5-20
Fin materialN° fins per meterStrip thicknessProduction capacity
All type of materialFrom 50 to 500From 0，4mm. to 0，5mm.More than 500 meters per day
Tube materialTube thicknessO.D. tubeLenght available
All type of material1，00mm. minimumFrom 10，00mm. to 200，00mm.

All lenghts up to 8 Meters

 
 
 
 

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