Manufacturing process

The longitudinal I/L or U shape fins are welded onto the core plain tubes by resistance welding or welding with filler metal

The longitudinal finned tubes are widely used in following fields:
1. Chemical- ,petrochemical-,oil-, and power industry;
2. Heat exchanges;
3. Fired heaters;
4. Gas coolers and heaters;
5. Tank heaters.

Base tube diameter 12mm-273mm
Base tube wall thickness 2.11mm-25.4mm
Fin quantity 1U-36U
Fin thickness 1.0mm-1.5mm
Fin height 5.0mm-25.0mm
Base tube material: Stainless steel, Carbon steel, Alloy, Nickel etc.
Fin material: Carbon steel, Stainless steel, Alloy etc.