"spiral welded steel pipe"

Tubo a pinna a forma di H personalizzato per un efficiente scambio di calore della caldaia

Customized H-Shaped Fin Tube For Efficient Boiler Heat Exchange Optimal applications for H-type fins? High-ash fuels (＞20%) with 3x wear resistance Product Description The heat exchange element H-shaped fin tube is also called H-shaped rib tube, which is mainly to weld together two pieces of steel sheet with arc in the middle symmetrically and the plain tube to form a fin (rib). The front shape is quite similar to the letter "H", so it is called H-shaped fin tube. The two