Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
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The L Type Fin Tube, also known as a wound fin tube, is manufactured using ASME SA249 TP316L stainless steel as the base tube, with Aluminum 1100 (Al1100) fins mechanically wound around the tube. This type of finned tube is widely used in air coolers, heat exchangers, and condensers, offering high efficiency, corrosion resistance, and durability.
Base Tube Material: ASME SA249 TP316L Stainless Steel
Fin Material: Aluminum 1100 (Al1100)
Fin Type: L Type Wound Fin
Application: Air Coolers & Heat Exchangers
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.03 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 16.00 - 18.00 |
| Nickel (Ni) | 10.00 - 14.00 |
| Molybdenum (Mo) | 2.00 - 3.00 |
| Element | Composition (%) |
|---|---|
| Aluminum (Al) | ≥ 99.0 |
| Copper (Cu) | ≤ 0.05 |
| Iron (Fe) | ≤ 0.40 |
| Silicon (Si) | ≤ 0.45 |
| Property | Value |
|---|---|
| Tensile Strength | ≥ 515 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 35% |
| Hardness | ≤ 90 HRB |
| Property | Value |
|---|---|
| Tensile Strength | 90 - 130 MPa |
| Yield Strength | 30 - 50 MPa |
| Elongation | ≥ 20% |
✅ High Heat Transfer Efficiency – Wound aluminum fins provide large surface area for heat exchange.
✅ Corrosion Resistant – 316L stainless steel resists oxidation and chemical damage.
✅ Lightweight & Cost-effective – Aluminum fins improve thermal performance while reducing weight.
✅ Mechanical Durability – L-type fins are tightly wound, ensuring good adhesion and heat dissipation.
✅ Wide Applications – Used in power plants, air-cooled condensers, and refrigeration systems.