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Plastic coated composite steel pipe

Update time:2024-05-27



Plastic coated composite steel pipe, also known as plastic-lined steel pipes, are a type of advanced piping material that combines the superior strength and durability of steel with the corrosion resistance and low friction properties of plastic coatings. These pipes are constructed by bonding a plastic layer, typically high-density polyethylene (HDPE) or epoxy, to the interior and/or exterior surface of a steel pipe through advanced adhesion techniques.

The coating process ensures that the plastic layer adheres tightly to the steel, creating a seamless and homogeneous barrier against moisture, chemicals, and other corrosive elements. This protective layer not only extends the service life of the pipe but also reduces the need for maintenance and repair.

Plastic coated composite steel pipe are widely used in various industries, including water supply, sewage treatment, oil and gas transportation, and chemical processing. Their ability to handle high pressures and temperatures, as well as their resistance to abrasion and scaling, makes them a reliable choice for demanding applications.

Product Specification:

ItemPainted sprinkler steel pipe
Grade10#, 45#, 16Mn, 20#, A53(A,B), A106(B,C), Q235, Q345, Q195, Q215
Thickness0.7mm - 20mm
Section ShapeRound
Outer Diameter20mm - 2820mm
Place of OriginChina
ApplicationTransferring fluid, fire fighting system sprinkler pipe, oil field pipe
TechniqueCold Drawn
Surface CoatingEpoxy Powder
Special PipeAPI Pipe
Alloy Or NotNon-alloy
TypeWelded Steel pipe
Processing ServiceBending, WELDING, Decoiling, PUNCHING, Cutting
Surface coatingEpoxy Powder
Surface treatmentAnticorrosive
LengthCustomer's Requiremnts
PackageStandard packing

Technical parameters:

Universal colors: black, gray, blue, red, white, green;

Coating thickness: The PE (modified polyethylene) coating thickness is between 400um and 1000um, EP (epoxy resin) spraying thickness is 100um-400um;

Coating method: PE (polyethylene) is hot-dip plastic, EP (epoxy resin) is sprayed internally and externally;

Product specifications: DN15-DN1660;

Environmental temperature: -30 ℃ to 120 ℃;

Connection method: Screw thread (DN15-DN100), groove (DN65-DN400), flange (suitable for any diameter), welding type, bimetallic connection, socket, pipe joint, sealing connection, etc.

Product advantages:

1. Adapt to buried and humid environments, and can withstand high and extremely low temperatures.

2. Strong anti-interference ability. If coated steel pipes are used as cable sleeves, they can effectively shield external signal interference.

3. Good pressure resistance, with a maximum pressure of up to 6Mpa.

4. Good insulation performance, as a protective tube for wires, it will never experience leakage.

5. No burrs, smooth pipe walls, suitable for threading wires or cables during construction.

Application field:

1. Various forms of circulating water systems (civil circulating water, industrial circulating water) have excellent performance and a corrosion resistance period of up to 50 years.

2. Fire water supply system.

3. The water supply and drainage system of each building (especially suitable for cold and hot water systems in hotels, hotels, and high-end residential areas).

4. Transportation of various chemical fluids (resistant to acid, alkali, and salt corrosion).

5. Buried pipes and conduit for wires and cables.

6. Ventilation pipes, supply and drainage pipes for mines and mines.

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