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Plastic-Coated Composite Pipe End Grinding Platform

Plastic-Coated Composite Pipe End Grinding Platform

Yanshan Shisheng Tube-material Antiseptic Co., Ltd. primarily produces coated composite pipes, large-diameter antiseptic steel pipes, steel-on-steel pipes, steam insulation pipes, 3PE antiseptic steel pipes, TPEP antiseptic steel pipes, FBE pipes, 3PP antiseptic steel pipes, and insulated pipes. Our coated composite pipes and antiseptic steel pipe products are widely used in industries such as drinking water supply, petroleum, chemical engineering, natural gas, water transmission and distribution, and thermal power. The antiseptic steel pipes are used for coating operations on steel pipelines transporting mixed media including oil, gas, water, and coal slurry. We are a specialized prefabrication construction enterprise integrating corrosion resistance, thermal insulation, and pipeline installation into one. The company has introduced advanced international technologies and boasts remarkable features such as high automation, stable operation, reliable quality, one-step forming, and strong processing capabilities, making our products highly competitive in both domestic and international markets. We sincerely welcome customers from all over the world to cooperate with Yanshan Shisheng Tube-material Antiseptic Co., Ltd.

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Single-layer epoxy powder (FBE) and double-layer epoxy powder (2FBE) anti-corrosion for steel pipes

Single-layer epoxy powder (FBE) and double-layer epoxy powder (2FBE) anti-corrosion for steel pipes

Fusion-bonded epoxy (FBE) powder external coatings (FBE/2FBE) are a new type of anti-corrosion coating that has been developed over the past 30 years. FBE coatings come in two types: single-layer and double-layer. The term "FBE coating" typically refers to the single-layer fusion-bonded epoxy coating. The single-layer FBE coating uses a specialized fusion-bonded epoxy powder coating as its film-forming material. This epoxy powder coating is applied using an electrostatic spraying process, forming a continuous film in a single pass.

Steel pipe polypropylene 3PP anti-corrosion

Steel pipe polypropylene 3PP anti-corrosion

2PP/3PP Anti-corrosion Steel Pipe Specifications: Φ89mm–Φ3200mm Material: Q235B, Q345B, 10# Steel, 20# Steel, Grades X42–X80 Standards: SY/T7041-2016, DIN30678 Advantages of the Anti-corrosion Coating The three-layer polyethylene anti-corrosion coating combines the excellent properties of both epoxy coatings and extruded polyethylene coatings. It integrates the interfacial characteristics and chemical resistance of epoxy coatings with the mechanical protection features of extruded polyethylene coatings, significantly enhancing the performance of each component. Therefore, it serves as an outstanding external protective layer for buried pipelines. According to relevant data, the three-layer PE coating can extend the service life of buried pipelines up to 50 years and is currently recognized internationally as one of the most advanced pipeline external anti-corrosion technologies. In 3PE anti-corrosion systems, the three-layer PE coating has been first applied in oil and gas systems. The Shaanxi-Beijing natural gas pipeline and the Kuerle-Shanshan oil pipeline—both already completed in China—along with the nearly 4,000-kilometer West-to-East Gas Pipeline project, all utilize the three-layer PE external anti-corrosion coating. Additionally, the 67-kilometer high-pressure pipeline from Shaanxi to Tianjin, the 30-kilometer outer ring high-pressure natural gas pipeline, and the 122-kilometer pipeline of the Shaanxi-Beijing underground gas storage facility also employ the three-layer PE coating. As such, the three-layer PE coating has become the leading direction for the future development of external anti-corrosion coatings for pipelines. Applications: The product is widely used in oil pipelines, natural gas pipelines, heating pipelines, and water supply pipelines. Application Scope: Currently, China has not yet established an industry standard for 3PP coatings. Therefore, the 3PP anti-corrosion pipelines produced generally follow the German standard DIN30678 “Polypropylene Coatings for Steel Pipelines.” The 3PP coating is primarily used as an anti-corrosion layer for pipelines transporting media at relatively high temperatures, as well as for pipelines located in desert regions characterized by high surface temperatures and prolonged sunlight exposure. Consequently, it has gained increasingly widespread application on buried water, gas, and oil pipelines in areas with high surface temperatures and long periods of sunlight.

Steel pipe polyethylene 3PE, 2PE anti-corrosion

Steel pipe polyethylene 3PE, 2PE anti-corrosion

Epoxy powder is electrostatically sprayed onto the surface of steel pipes, followed by lateral wrapping with an adhesive and lateral wrapping with a polyethylene anti-corrosion layer. By combining the excellent properties of these three components, the overall quality of the anti-corrosion pipeline is significantly enhanced. The pipeline exhibits outstanding resistance to chemical corrosion, resistance to cathodic disbonding, and resistance to mechanical damage.

Steel Pipe Polyethylene Cold Wrapping Anti-Corrosion Coating

Steel Pipe Polyethylene Cold Wrapping Anti-Corrosion Coating

The anti-corrosion system for polyethylene anti-corrosion adhesive tapes consists of an anti-corrosion tape, a protective tape, a joint-repair tape, and a primer. The adhesive tape itself is a strip-shaped anti-corrosion material produced by co-extrusion, comprising a polyethylene-based film with a layer of adhesive applied via hot lamination—this adhesive layer is primarily composed of butyl rubber. It features excellent insulation properties, superior anti-corrosion performance, high mechanical strength, resistance to impact and aging, low water absorption, ease of installation, safety and hygiene, a wide range of applications, and a long service life.

Fiberglass on the outside of steel pipe

Fiberglass on the outside of steel pipe

Applying fiberglass to the surfaces of carbon steel, concrete, or other substrates to prevent the substrate from being damaged or deteriorated under the influence of media or environmental factors is referred to as "fiberglass anti-corrosion." Commonly used fiberglass anti-corrosion techniques include: fiberglass lining, glass flake lining, resin mortar brick and tile lining, epoxy self-leveling coatings, epoxy powder spraying, and fiberglass coating applied directly onto the substrate surface.

Polyurea anti-corrosion coating for steel pipes

Polyurea anti-corrosion coating for steel pipes

The future development of polyurea-coated anti-corrosion steel pipes: Polyurea coatings represent the international trend in next-generation anti-corrosion technology. Currently, major pipeline companies worldwide have adopted polyurea anti-corrosion coatings—for instance, the oil pipelines in Alaska, USA; the Gulf oil pipeline in Indonesia; the Siberian oil pipeline in Russia; and the water transmission pipelines in Kuwait—all of which use polyurea as their anti-corrosion coating. Superiorities of Polyurea-Coated Anti-Corrosion Steel Pipes: Polyurea-coated anti-corrosion steel pipe materials exhibit excellent construction performance when used for pipeline joints. Typically, straight pipe sections are prefabricated in the factory, while joints are connected on-site via spray application. After polyurea treatment, the pipeline maintains outstanding continuity and integrity, ensuring that the entire pipeline system is completely sealed with no seams, thereby guaranteeing its overall anti-corrosion performance and ultra-long service life. Key Features of Polyurea-Coated Anti-Corrosion Steel Pipes: Fast curing speed, allowing for seamless application on vertical and curved surfaces without sagging; excellent corrosion resistance, capable of withstanding erosion by most chemical media; superior physical properties, providing strong adhesion to metal substrates; 100% solid content, non-polluting, and environmentally friendly; seamless coating, completely eliminating the risk of leakage points. Main Applications of Polyurea-Coated Anti-Corrosion Steel Pipes: Overhead pipelines, directly buried pipelines, oil pipelines, gas pipelines, municipal sewage pipelines, and various types of steel pipelines—both internal and external wall anti-corrosion. Future Development of Polyurea-Coated Anti-Corrosion Steel Pipes: Polyurea coatings represent the international trend in next-generation anti-corrosion technology. Currently, major pipeline companies worldwide have adopted polyurea anti-corrosion coatings—for instance, the oil pipelines in Alaska, USA; the Gulf oil pipeline in Indonesia; the Siberian oil pipeline in Russia; and the water transmission pipelines in Kuwait—all of which use polyurea as their anti-corrosion coating. According to international standards, all underground metal pipelines employ a combined protection approach involving an anti-corrosion coating and cathodic protection. Among these, the pipeline anti-corrosion coating serves as the primary barrier. The 3PE anti-corrosion coating, which integrates the advantages of high-density polyethylene wrapping and fusion-bonded epoxy powder, is now widely used. However, its main drawback—the unresolved issue of joint repairs—remains a challenge. The heat-shrink sleeves currently used do not match well with the 3PE coating, significantly reducing the service life of the system.

External polyethylene 3PE and internal epoxy powder (FBE) anti-corrosion for steel pipes

External polyethylene 3PE and internal epoxy powder (FBE) anti-corrosion for steel pipes

2PE/3PE Anti-Corrosion Structure: An epoxy powder is electrostatically sprayed onto the surface of steel pipes, followed by lateral wrapping with an adhesive and lateral wrapping with a polyethylene anti-corrosion layer. By combining the excellent properties of these three components, the overall quality of the anti-corrosion pipeline is significantly enhanced. This structure exhibits outstanding resistance to chemical corrosion, resistance to cathodic disbondment, and resistance to mechanical damage.

Outer polyethylene 3PE and inner epoxy resin anti-corrosion for steel pipes

Outer polyethylene 3PE and inner epoxy resin anti-corrosion for steel pipes

2PE/3PE Anti-Corrosion Structure: An epoxy powder is electrostatically sprayed onto the surface of steel pipes, followed by lateral wrapping with an adhesive and lateral wrapping with a polyethylene anti-corrosion layer. By combining the excellent properties of these three components, the overall quality of the anti-corrosion pipeline is significantly enhanced. This structure exhibits outstanding resistance to chemical corrosion, resistance to cathodic disbondment, and resistance to mechanical damage.

Plastic-coated composite steel pipe

Plastic-coated composite steel pipe

Plastic-coated composite steel pipe is a newly developed type of pipeline material in China. It features a composite structure with plastic coatings on both the inner and outer surfaces, and a reinforced welded steel pipe or seamless pressure-resistant steel pipe as the middle layer. This design overcomes the inherent drawbacks of steel pipes—such as susceptibility to rusting, corrosion, high pollution levels—as well as the weaknesses of plastic pipes, including low strength and easy deformation. By integrating the advantages of both steel and plastic products, this material qualifies as an environmentally friendly product promoted for nationwide use.

Polyurea anti-corrosion elbow

Polyurea anti-corrosion elbow

The future development of polyurea anti-corrosion bends: Polyurea coatings represent the international trend in next-generation anti-corrosion technology. Currently, major pipeline companies worldwide have adopted polyurea anti-corrosion coatings—for instance, the oil pipelines in Alaska, USA; the Gulf Oil Pipeline in Indonesia; the Siberian Oil Pipeline in Russia; and the water transmission pipelines in Kuwait—all of which utilize polyurea as their anti-corrosion coating.

Single-layer epoxy powder (FBE) for bent pipes, double-layer epoxy powder (2FBE) + polypropylene wrap for corrosion protection.

Single-layer epoxy powder (FBE) for bent pipes, double-layer epoxy powder (2FBE) + polypropylene wrap for corrosion protection.

The double-layer fusion-bonded epoxy powder external anti-corrosion coating consists of an inner layer of fusion-bonded epoxy powder and an outer layer of modified fusion-bonded epoxy powder. During the spraying process, these two distinct epoxy powders are applied in a single coat to form the complete coating.

Internal and external epoxy resin anti-corrosion for bent pipes

Internal and external epoxy resin anti-corrosion for bent pipes

Epoxy-coated elbows—both internally and externally coated—are widely used in fire-fighting water supply systems. In the field of building fire protection systems, these elbows play a crucial role. Therefore, the quality of epoxy-coated elbows—both internally and externally coated—is of utmost importance. Epoxy-coated elbow samples (4 pieces) are key to ensuring the reliability of fire protection systems. Next, we will introduce the production process of epoxy-coated elbows, the properties of the powder (epoxy resin) used, and the performance characteristics of these elbows.

Single-layer epoxy powder (FBE) on the outer surface of bends, double-layer epoxy powder (2FBE) on the outer surface, and internal epoxy resin anti-corrosion coating.

Single-layer epoxy powder (FBE) on the outer surface of bends, double-layer epoxy powder (2FBE) on the outer surface, and internal epoxy resin anti-corrosion coating.

Fusion-bonded epoxy (FBE) powder external coatings (FBE/2FBE) are a new type of anti-corrosion coating that has been developed over the past three decades. FBE coatings come in two types: single-layer and double-layer. The term "FBE coating" typically refers to the single-layer fusion-bonded epoxy coating. The single-layer FBE coating uses a specialized fusion-bonded epoxy powder coating as its film-forming material. This epoxy powder coating is applied using an electrostatic spraying process, forming a continuous film in a single pass. This epoxy powder coating is a thermosetting material, produced by mixing and grinding solid epoxy resin, a curing agent, and various additives.

Anti-corrosion polypropylene wrapping for bent pipes

Anti-corrosion polypropylene wrapping for bent pipes

Polypropylene cold-wrap tape is a new type of environmentally friendly anti-corrosion product that is pollution-free and harmless, representing the highest current international and domestic standards for cold-wrap anti-corrosion tapes. It is affectionately known as the "Crown of Anti-Corrosion." This product can be widely used in water supply and drainage systems, as well as in the transportation of oil, gas, and coal gas through steel pipelines and underground steel storage tanks, providing external anti-corrosion protection and repair services in the petroleum, natural gas, chemical, and urban construction industries.

External Polyethylene Cold Wrapping Tape for Corrosion Protection of Bent Pipes

External Polyethylene Cold Wrapping Tape for Corrosion Protection of Bent Pipes

The anti-corrosion system for polyethylene anti-corrosion adhesive tapes consists of an anti-corrosion tape, a protective tape, a joint-repair tape, and a primer. The adhesive tape itself is a strip-shaped anti-corrosion material produced by co-extrusion, comprising a polyethylene-based film with a layer of adhesive applied via hot lamination—this adhesive layer is primarily composed of butyl rubber. It features excellent insulation properties, superior anti-corrosion performance, high mechanical strength, resistance to impact and aging, low water absorption, ease of installation, safety and hygiene, a wide range of applications, and a long service life.

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