A335 P9 Welded Helical Serrated Finned Tube With Carbon Steel Fins For Power Plants
Price:
Negotiable
MOQ:
200~500 KGS
Delivery Time:
60 Days (Depend on Customer's Requirements)
Brand:
YuHong
Product Description
A335 P9 Welded Helical Serrated Finned Tube With Carbon Steel Fins For Power Plants
Product Specifications
| Attribute | Value |
|---|---|
| Product Name | HFW Serreted Finned Tube |
| Base Tube Specification & Material | ASTM A335 P9 |
| Fin material | C.S. |
| Fin Height | 0.375″ to 1.25″ |
| Fin Segment Width | 5/32″ or 5/16″ |
| Fin Thickness | 20ga (.035″) to 16ga (.060″) |
| Fin Pitch | 1 to 7 fins per inch |
| Base Tube O.D. | 1.00″ to 12.75″ outside diameter |
| Application | Heat Exchangers, Air Preheaters, Boilers, and Reactors |
Product Description
The ASTM A335 P9 Welded Helical Serrated Finned Tube with Carbon Steel Fins is a specialized heat exchanger tube designed for high-temperature and high-pressure applications in power plants and industrial processes.
Key Features
- Welded Construction: Fins are securely welded to the base tube for strong mechanical bond and efficient heat transfer
- Helical Design: Spirally wound fins maximize surface area for superior heat exchange
- Serrated Fin Profile: Notched design enhances heat transfer by creating fluid turbulence
- Carbon Steel Fins: Cost-effective solution with excellent thermal conductivity
- High-Temperature Resistance: P9 alloy steel base tube withstands extreme operating conditions
Material Composition (ASTM A335 P9)
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 0.30-0.60 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.50-1.00 |
| Chromium (Cr) | 8.00-10.00 |
| Molybdenum (Mo) | 0.90-1.10 |
Composition optimized for high-temperature strength, oxidation resistance, and corrosion resistance.
Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | 415 MPa (60,000 psi) min |
| Yield Strength | 205 MPa (30,000 psi) min |
| Elongation | 30% min (in 2 inches or 50 mm) |
| Hardness | ≤ 197 HBW (Brinell Hardness) |
Material maintains strength and integrity at elevated temperatures with excellent weldability.
Industrial Applications
- Power Generation: Boilers, superheaters, reheaters, and economizers in power plants
- Petrochemical: Process heaters, heat exchangers, and waste heat recovery systems
- Oil & Gas: Gas cooling systems, air coolers, and fired heaters
- Refining: Crude oil heaters, catalytic reforming units, and hydrogen plants
- Industrial Heating: Air heaters and heat recovery systems for process applications
- High-Temperature Systems: Incinerators and chemical processing equipment
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
YUHONG HOLDING GROUP CO., LTD
Location
20 Floor, No.1 New World Building, NO.1018 Min'an Road, Yinzhou District, Ningbo, China, ZIP:315040
Contact Person
Sales Dept. (Marketing Director)