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DIN30670 OCTG anti-corrosion coating Pipe

OCTG pipes for corrosion protection

OCTG pipes for corrosion protection

Coating pipe means the pipe that is by the processing after the corrosion.internal pipeline coating for corrosion protection

DIN 30670: Polyethylene coatings of steel pipes and fittings.
DIN 30678: Polythylene coatiing of steel pipes and fittings.
SY/T0413-2002: Technical standard of polythelene coating for buried steel pipeline.

Types of anti-corrosion coating

     Coating Type  Coating Layer Coating thickness
Three layers polyethylene Inside layer: epoxy (Green)     2.0 -4.5mm
 Mid layer: adhensive (White)
Outsidelayer:polyethylene (Black)
   Two layers polyethyleneInside layer: adhensive     2.0 -4.5mm
Outside layer: polythene
   Epoxy Epoxy     200-400um
   Two layers epoxyInside layer: expoxy (Green)     400-800um
Outside layer:intensity epoxy (sage green)
Three layers polyethyleneInside layer: expoxy (Green) 2.5 -3mm
Mid layer: adhensive (White)
Outside layer: polypropylene (White)



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