Standard for Production Process of 3PE Coating Steel Pipe

Production process standards:3PE coating steel pipe base material including seamless steel pipe, spiral steel pipe and straight seam steel pipe. Three-layer polyethylene (3PE) anti-corrosion coating with its good corrosion resistance, water vapor permeability and mechanical properties, in the oil pipeline industry has been widely used. 3PE coating steel pipe a coating for the life of the pipeline is essential, the same material pipe, and some buried in the ground for decades without corrosion, and some years of leakage. It is because they use a different outer coating.3PE coating steel pipe:Pipeline three layers of PE anti-corrosion structure: the first layer of epoxy powder (FBE> 100um), the second layer of adhesive (AD) 170 ~ 250um, the third layer of polyethylene (PE) 1.8 ~ 3.7mm. Three materials into one, and firmly combined with the formation of steel pipe to form an excellent coating. (?30mm-?1020mm) three-tier polyethylene anti-corrosion is the domestic and foreign buried pipe outside the main technical system of anti-corrosion. Its anti-corrosion performance is good, low water absorption, high mechanical strength, in recent years in the domestic buried water, gas, oil pipeline on the access to a wider range of applications.Product specifications:?89mm-?1820mm, wall thickness 6mm-20mm.Material: Q235B, Q345B, 10 # steel, 20 # steel, X42-X80 level.Implementation of the standard: GB / T23257-2009 "buried steel pipe polyethylene coating technical standards"SY / T0413-2002 "buried steel pipe polyethylene coating technical standards"DIN30670-91 Germany "steel pipe and pipe fittings of the polyethylene coating technical standards"CAN / CSA-Z245.21-M92 Canada "Steel pipe outer wall polyethylene anti-corrosion coating technical standards"Uses: Products are widely used in oil pipelines, natural gas pipelines, heating pipes, water supply pipes.Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline & Gas Pipeline Science Research Institute, Such as: the use of oil and gas pipelines, pipe welding technology innovation, high-end plumbing materials research and development, as well as special tools technological innovation pipeline construction, pipeline corrosion protection science and technology research, science and technology research pipeline non-destructive testing, pipeline quality assessment, and research pipeline standards and so on. In the future, we will try to use new technology to create new business value and to contribute to research and product development for the pipeline.

Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group.