Low Fin Tubes with Internal Rifling

Low fin tubes can be made with internal rifling in addition to the external fins. The rifling on the inner side of the tube provides additional surface area for heat exchange.
Low fin tubes with internal rifling


  • Stainless steel (ferritic)

Production Capacity (approximate)

Tube Diameter Wall Thickness Fin Height
12.7 / 31.75 mm
0.5 / 1.25 in
1.245 / 3.404 mm
0.049 / 0.134 in
Max. 1.40 mm
0.055 in
and depending on the required fin pitch
Tube Length
Max. 22000 mm
866 in
For different technical specifications, please feel free to contact us. Together we can find the most suitable solution.

Fin Pitch

  Copper Ferritic Austenitic Titanium Alloys
Fins/inch 16 to 40 19 to 30 19 to 36 19 to 36 16 to 40
Fins/meter 630 to 1574 748 to 1181 748 to 1417 748 to 1417 630 to 1574


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