Wound L Type Fin Tube ASTM A249 TP304 For Heat Exchanger , Air Cooler
Wound L Type Fin Tube ASTM A249 TP304 For Heat Exchanger , Air Cooler
Grade TP304 is a widely used austenitic stainless steel known for its excellent corrosion resistance, formability, and weldability. It is a member of the 300 series of stainless steels and is composed mainly of chromium and nickel, which provide its outstanding properties.
Wound L Type Fin Tube ASTM A249 TP304 is a specialized heat exchanger component that combines the properties of Grade TP304 stainless steel tubing with the efficient heat transfer benefits of L type fins.
| Type | Description | Base tube | Fin specification (mm) | ||
| O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
| Wound | L / KL / LL Type Fin Tube | 16-63 | 2.1-5 | <17 | ~0.4 |
Chemical Composition:
| Grade | Cr | Ni | C | Mn | P | S | Si | N |
| SA179 | 18.0–20.0% | 8.0–10.5% | ≤ 0.08% |
≤ 2.00% |
≤ 0.045% | ≤ 0.030% | ≤ 0.75% | ≤ 0.10% |
Mechanical Properties:
| Tensile Strength | 515 MPa (75,000 psi) minimum |
| Yield Strength | 205 MPa (30,000 psi) minimum |
| Elongation | 40% minimum in 50 mm |
| Hardness | ≤ 90 HRB |
Key Features
- Corrosion Resistance: Excellent resistance to a wide range of corrosive environments.
- Strength: Good mechanical properties with high tensile and yield strength.
- Weldability: Easily weldable by most standard welding methods.
- Formability: Good formability, making it suitable for various manufacturing processes.
- Hygienic Properties: Suitable for applications requiring high hygiene standards due to its smooth surface and ease of cleaning.
Applications:
1. Heat Exchangers
- Shell and Tube Heat Exchangers: Used in situations where efficient thermal transfer between two fluids is essential, such as in chemical processing and power plants.
- Air-Cooled Heat Exchangers: Ideal for systems where air is used to cool fluids, common in industrial and HVAC applications.
- Plate-Fin Heat Exchangers: Suitable for compact heat exchanger designs where high efficiency and space savings are critical.
2. Air Coolers
- Industrial Air Coolers: Used in various industrial processes to cool air or gases, including those in petrochemical and refinery applications.
- HVAC Systems: Employed in heating, ventilation, and air conditioning systems for buildings and facilities.
- Power Plant Coolers: Used in power plants for cooling air in turbine and generator systems.
3. Food and Beverage Industry
- Sanitary Heat Exchangers: Used in processes requiring high hygiene standards due to the stainless steel's resistance to corrosion and ease of cleaning.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.