ASTM A179 fin tubes

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ASTM A179 Fin Tubes is formed by passing a tube through a set of rollers that form the fins from the parent material of the tube by making it flow in the desired way.

ASTM A179 fin Tubes
ASTM A179 fin Tubes
Inspect ASTM A179 Tubes

High finned tubes are also called extruded tubes. The finning is achieved by extruding the fin from the tube.

Extruded ASTM A179 Fin Tubess

This method of construction is very different from cutting grooves onto the tube as is often done by people who are on the lookout for a shortcut or who don’t know any better.

Aluminum Extruded Fin

General requirements

  • Tube material according to ASME II-A, last edition. Fin material according to ASME II-B, last edition.
  • Certification according to EN 10204 3.1 [2004] is required.
  • Tubes according to ASME-II SA 450.
  • Seamless tube only. Tube surface shall be free from repair welds, imperfections, scale or rust. A light rust protection product may be acceptable. No weld repair is permitted.
  • Material shall be adequately protected to ensure no damage of fins and tubes during shipping and handling.
  • Tubes shall be cut square and deburred both I.D. and O.D.
  • Tubes with zinc separator protected when package.

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