PIPELINE COATING

In specific circumnstances, coating materials are applied on the external surface of the pipe. The most common pipe coating materials are:

  • NON METALLIC: Paints, varnishes, lacquers, bituminous coatings, resins, plasticizers, Greases, waxes, oils, Plastics (polyurethane, polyethylene, Rilsan, PTFE, PVC), Elastomers (various types), Vitreous enamel, Cement mortar
  • ORGANO METALLIC: Paints pigmented with metals in powder form (aluminum, zinc, lead, stainless steel), Paints containing zinc ethyl-silicate
  • CHEMICAL MODIFICATION: Phosphating, Chromatin, phosphating, Black finishing and browning
  • PHYSIO CHEMICAL MODIFICATION: Cementation

Coating of pipes 

LINED PIPES

Lined pipes are pipes that have an internal layer that protects the pipe material from corrosion. Lining is applied at the end of the production process of seamless and welded pipes. The most common materials used to line pipes internally are:

  • Cement mortar
  • Liquid epoxy
  • Glass
  • Fusion bonded epoxy (FBE)
  • Polyethylene
  • Bituminous asphalt
  • Zinc
  • Teflon (PTFE)

 

 

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Useful links: ANSI | ASME | ASTM | API | MSS | BS | DIN | ISO