Steel pipe
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A group industrial company specializing in the production of wear-resistant pipes, wear-resistant materials, and environmentally friendly and energy-saving series products.
Polyurethane insulated steel pipe
The precast directly buried insulation pipe with high-density polyethylene plastic outer protective polyurethane foam is composed of the working steel pipe for transporting medium, the polyurethane insulation layer and the polyethylene plastic outer protective pipe, which are combined outward in sequence through equipment.
Lined steel pipe is a composite pipe material formed by using galvanized seamless steel pipe or welded steel pipe as the base pipe, removing the welding ribs on the inner wall, and then lining it with food-grade polyethylene (PE) pipes or other thermoplastic pipes of the same diameter as the galvanized pipe. Finally, it is formed after being pressurized and heated for a certain period of time.
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Seamless steel pipes are mainly used as oil and gas geological drilling pipes, cracking pipes for petrochemicals, boiler pipes, bearing pipes, as well as high-precision structural steel pipes for automobiles, tractors and aviation.
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Therefore, it is necessary to strictly follow the requirements of anti-corrosion coating specifications for steel pipe surfaces, continuously explore and summarize, and continuously improve the surface treatment methods of steel pipes.
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3PE anti-corrosion is generally composed of three layers:
In actual operation, the three materials are mixed and integrated, and after processing, they are firmly combined with the steel pipe to form an excellent anti-corrosion layer.
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