Teaching you how to clean coated steel pipes!


Release time:

2021-09-04

Solvents and emulsifiers are used to clean steel surfaces, removing oil stains, grease, dust, polishing agents, and similar organic substances. However, they cannot remove rust, oxide scale, solder flux, or the like; therefore, they can only be used as auxiliary tools in the production of coated steel pipes.

  Solvents and emulsifiers are used to clean steel surfaces, removing oil stains, grease, dust, polishing agents, and similar organic contaminants. However, they cannot remove rust, oxide scale, solder flux, or the like; therefore, they are suitable only for production purposes. Plastic-coated steel pipe Auxiliary skills.

  Removing rust from coated steel pipes: Primarily, the steel surface is polished using equipment such as wire brushes. This process can also remove loose or raised oxide scales, rust, weld spatter, and other contaminants. Manual equipment can achieve a Sa2 grade of surface preparation, while power-driven equipment can reach a Sa3 grade. However, if the steel surface is covered with solid oxide scales, the results of mechanical cleaning should not be considered, as they may fail to achieve the required anchor depth for the anti-corrosion structure.

  Acid pickling of plastic-coated steel pipes: Acid pickling typically employs chemical and electrolytic methods. Chemical acid pickling is an excellent choice for pipeline corrosion prevention. It is recommended to remove oxide scale, rust, and old coatings. Sometimes, it can also serve as a post-treatment following sandblasting for rust removal. Chemical cleaning can achieve the required cleanliness and roughness in appearance; however, it results in shallow cable anchoring and is prone to environmental contamination.

  Spray Rust Removal for Plastic-Coated Steel Pipes: Spray rust removal involves the initial high-speed rotation of high-power motor blades. Under the action of centrifugal force, abrasive materials such as sand steel, steel balls, wire segments, and minerals are sprayed onto both the inner and outer surfaces of the plastic-coated steel pipes. This process not only thoroughly removes rust, oxides, and dirt but also ensures complete cleaning of the inner and outer surfaces of the plastic-coated steel pipes. The plastic-coated steel pipes themselves are subjected to intense impact and friction from the abrasive materials, enabling them to achieve the required uniformity and surface roughness.


  Yanshan Shisheng Tube-material Antiseptic Co., Ltd. primarily engages in the coating operations for steel pipelines used to convey mixed media such as oil, gas, water, and coal slurry. It is a specialized prefabrication construction enterprise integrating antiseptic treatment, thermal insulation, and pipe fitting. Its products include coated composite pipes, 3PP, 8710 antiseptic coatings, antiseptic steel pipes, TPEP, large-diameter antiseptic steel pipes, 3PE antiseptic steel pipes, coated steel pipes, and more. These products are widely used in industries such as petroleum, chemical engineering, natural gas, water transmission and distribution, and thermoelectric power generation.