Serrated Spiral HF Welding Fin Tubes ASTM A335 P9 For Heat Exchangers
Price:
30-10000 USD
MOQ:
Depend the size of finned tubes, 50-100PC
Delivery Time:
35-60 days
Brand:
YUHONG
Product Description
Serrated Spiral HF Welding Fin Tubes ASTM A335 P9 For Heat Exchangers
Product Specifications
| Attribute | Value |
|---|---|
| Product | Fin Tubes or Finned Tube |
| Type | Serrated Spiral Fin Tubes |
| Standard | ASTM A335 |
| Material | P9 Base Tubes |
| O.D. | Customizable to client requirements |
| Length | Customizable to client requirements |
| Use | For large equipment including Heat Exchangers, Boilers, Furnaces, Condensers, Evaporators |
| Packing | Ply-wooden Case With Iron Frame |
Product Overview
Serrated spiral HF (high-frequency) welding fin tubes are advanced heat exchangers designed to enhance thermal performance through a unique fin design. The combination of serrated fins and spiral configurations maximizes heat transfer while maintaining structural integrity. The fins are attached to the tube using high-frequency welding techniques, ensuring strong and durable connections while minimizing thermal distortion.
Design Features
- Serrated Fins: Creates larger surface area and promotes turbulent flow for improved heat exchange efficiency
- Material: Typically constructed from carbon steel, stainless steel, alloy or copper for durability and corrosion resistance
- Spiral Configuration: Allows continuous fluid flow around the tube for enhanced heat transfer
ASTM A335 P9 Alloy Base Tube Specifications
This specification covers nominal wall and minimum wall seamless ferritic alloy-steel pipe suitable for high-temperature service. The pipe is suitable for bending, flanging, forming operations, and fusion welding. Selection depends upon design, service conditions, mechanical properties, and high-temperature characteristics.
Chemical Composition (%)
| Grade | C | Mn | P | S | Si | Cr | Mo | Ni | V |
|---|---|---|---|---|---|---|---|---|---|
| P9 | 0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 | ... | ... |
Mechanical Properties
| Grade | Tensile Strength, min | Yield Strength (0.2% Offset, min) |
|---|---|---|
| P9 | 60ksi (415 MPa) | 30ksi (205 MPa) |
Key Advantages
- Simple and economical installation with minimal maintenance requirements
- Serrated design and spiral configuration enhance thermal performance (heat dissipation area >8x of smooth tube)
- Corrosion and wear resistant with low contact thermal resistance and long service life
- Unique fin shape promotes better fluid mixing for efficient heat exchange
- Versatile applications across multiple industries including oil/gas, chemical processing, and power generation
- Robust construction ensures durability in demanding environments
Applications
- Heat Exchangers: Boilers, furnaces, refineries, oil coolers, condensers, and evaporators
- Power Generation: Efficient heat recovery and steam generation in power plants
- HVAC Systems: Heating, ventilation, and air conditioning systems for improved energy efficiency
- Chemical Processing: Reactors and heat exchangers where optimal thermal performance is critical
Available Fin Tube Specifications
| Type | Description | Fin Specification (mm) | |||
|---|---|---|---|---|---|
| Embedded | G-type fin tube | O.D. (mm): 16-63 | Fin pitch: 2.1-5 | Fin height: <17 | Fin thick: ~0.4 |
| Additional types include Extruded, Low fin tube, Bamboo tube, Wound, String, U-type, and various Welding types with detailed specifications available | |||||
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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)