Wound L Type Fin Tube ASTM A249 TP304 For Heat Exchanger & Air Cooler
Product Specifications
Base Tube Material |
TP304 |
Base Tube Standard |
ASTM A249, ASME SA249 |
Type |
Wound, L type, LL Type, KL Type |
Application |
Air cooler, Cooling Tower, Heat Exchanger, Condenser |
Fin type |
L Type Fin Tube, LL Type Fin Tube, KLM Fin Tube |
Fin Material |
Aluminum, Copper, Stainless Steel, Carbon Steel |
Product Description
Grade TP304 is a widely used austenitic stainless steel known for its excellent corrosion resistance, formability, and weldability. As part of the 300 series of stainless steels, its composition of chromium and nickel provides outstanding performance characteristics.
The Wound L Type Fin Tube ASTM A249 TP304 combines Grade TP304 stainless steel tubing with efficient L type fins for superior heat transfer in demanding applications.
Type |
Description |
Base tube 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: Suitable for various manufacturing processes
- Hygienic Properties: Smooth surface and easy cleaning for applications requiring high hygiene standards
Applications
Heat Exchangers:
- Shell and Tube Heat Exchangers for chemical processing and power plants
- Air-Cooled Heat Exchangers for industrial and HVAC applications
- Plate-Fin Heat Exchangers for compact, high-efficiency designs
Air Coolers:
- Industrial Air Coolers for petrochemical and refinery applications
- HVAC Systems for buildings and facilities
- Power Plant Coolers for turbine and generator systems
Food and Beverage Industry:
- Sanitary Heat Exchangers for processes requiring high hygiene standards