The fin is helically wound around the base tube forming a strong mechanical contact between the tube and fin,thus improving the heat transfer efficiency.This also give considerable corrosion protection to the base tube.

Maxumum working temperature:500 F (260 C)

Base tube material: 

stainless steel, carbon steel, copper alloy,alloy steel (No theoretical limit)

ASME SA213/ASTM A213 TP304/304L  TP316/TP316L TP321 TP310S  TP317,

ASME SA106/ASTM A106 Gr B Gr C,ASME SA179/ASTM A179,ASME SA192/ASTM A192

ASTM B111 C70600 C44300 C68700 C71500...

Fin material: Aluminium,copper.

Stainless steel KL Type fins tube, carbon steel KL Type fins tube copper KL Type fins tube

Cu-Ni KL Type fins tube,Aluminium brass KL Type fins tube Copper-nickel KL Type fins tube Duplex KL Type fins tube super duplex KL Type fins tube Air cooler fins tube, Air pre-heater fins tube.

Extruded fins tube  Serrated fin tubes  L Type fins tube  G Type fins tube  LL Type fins tube  H Type fins tube  KL Type fins tube  HFW fin tube laser welded fin tube.

Base pipe O.D:15.88-165mm

Fin height:6-50mm

Fin thickness:0.3-0.5mm

Fin pitch: as customer's request.

End:Plain Ends, Beveled Ends

No fin area on both side:As Customer's request.

Application:

Air Cooler fins,Charge Air Chiller, Condenser,Evaporator, Fluid Cooler, Gas Cooler,Oil Cooler, Radiator, Refrigeration,Steam to Air Heat Exchanger etc.

Package:

In bundles, plywood cases, wooden cases with water-proof package, etc.