ASTM A312 TP304H Serrated Fin Tubes High Frequency Welding For Coil Cooler
Price:
1 - 10000 USD
MOQ:
1 PC
Delivery Time:
5 - 90 Days
Brand:
YUHONG
Product Description
ASTM A312 TP304H Serrated Fin Tubes High Frequency Welding For Coil Cooler
Product Specifications
| Attribute | Value |
|---|---|
| Fin Wall Thickness | 0.8-3mm |
| Base Tube Material | TP304, TP316, TP321 TP347 |
| Fin Pitch | FPI: 3-25 |
| Fin Material | AISI 304,316,409,410,321,347 |
| Fin Height | 5-30mm |
Product Description
ASTM A312 TP304H Serrated Fin Tubes, High Frequency Welding For Coil Cooler
What are Serrated Fin Tubes?
- A serrated finned tube is an efficient heat transfer element widely used in various industrial heat exchange equipment.
- Its unique serrated design enhances the heat transfer efficiency and anti-fouling performance, making it highly popular.
Structure of Serrated Finned Tubes
- Structural characteristic is the dense arrangement of fins, with fin spacing as small as 0.5mm
- Fins are distributed in a serrated pattern
- This design creates intense turbulence in the fluid flow outside the tube, effectively increasing heat transfer efficiency
Manufacturing Process
- Similar to high-frequency welded spiral finned tubes
- Requires local cutting of the strip material before winding
- During winding, cut parts naturally separate to form a gear shape
- Design simplifies winding process, reduces deformation
- Ensures tight bonding, high strength, good resistance to thermal and mechanical vibrations
- Excellent thermal expansion performance, low flow loss, strong corrosion resistance
Advantages
- High Heat Transfer Efficiency: Serrated fins create turbulence in flue gas, resulting in higher film heat transfer coefficient (30-50 kcal/m²)
- Strong Anti-Fouling Performance: Serrated design disrupts fluid boundary layer, reducing ash accumulation
- Good Mechanical Performance: High-frequency welding ensures strong bond between fins and base tube
Applications
- Industrial Waste Heat Recovery
- Air Conditioning and Refrigeration
- Energy Utilization
Chemical Composition
| C | Mn | P | S | Si | Cr | Ni |
|---|---|---|---|---|---|---|
| 0.04 - 0.10 | ≤ 2.00 | ≤ 0.045 | ≤ 0.030 | ≤ 1.00 | 18.0 - 20.0 | 8.00 - 11.00 |
Mechanical Properties
| Tensile Strength (minimum) | Yield Strength (0.2% Proof, minimum) | Elongation (minimum, % in 50mm) | Hardness | Rockwell B (HR B) maximum | Brinell (HB) maximum |
|---|---|---|---|---|---|
| 515 MPa (75 ksi) | 205 MPa (30 ksi) | 40% | / | 92 | 201 |
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)