Base tube material: SA192 OD31.8mm X3.2mmTHK X1760mm LG
Fin Material: CS 12.7mmHx0.8mmTHKx300FPM
Application: The High Frequency Resistance Welded Helical Fin Tubes are widely applied in fired heaters, heat exchanger, boilers, economizers, pre-heaters, heat pipes, heaters etc…
Capacity: Seven ERW High Frequency fining lines, daily capacity around 50 tons,length≤28meters;
 
Manufacturing Process:
The fin strip is welded continuously and spirally wound onto a polished bare tube. And the tube and fins are bonded together by using high frequency resistance welding technique.
 
 
Material: Stainless Steel+Stainless Steel, Carbon Steel+Carbon Steel, Alloy+Alloy etc.
Bare tube OD: 16-219mm Fin Pitch: 3-25mm Fin Height: 5-30mm Fin Thick: 0.8-3mm