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Preparations before connection of plastic-coated steel pipes
The plastic-coated steel pipe comprises a core pipe rent-reducing layer, fastening steel belt, air layer, heat insulation layer, reflective layer, sliding bracket, outer protective steel pipe, sprayed polyurethane, and surrounding entangled FRP. It has high strength, is not easy to damage, and ca...Read more -
Problems Existing in Regulations and Selection Standards of Thick-walled Steel Pipes in Engineering
Thick-walled steel pipes are stipulated in the project: Corresponding laws and regulations for the actual selection and use of thick-walled pipe fittings Combustible media and high-pressure gas pipelines. Under this premise, the type of pipe fittings is mainly determined according to the purpose ...Read more -
What is the difference between oil casing and oil drill pipe
There are two main differences between oil casing and oil drill pipe: 1. Different uses; 2. Different materials. Oil casing is a steel pipe used to support the walls of oil and gas wells to ensure the normal operation of the entire oil well after the drilling process and completion. Each well use...Read more -
Welding treatment of thick-walled spiral steel pipe
Thick-walled spiral steel pipe is a method of arc welding under the flux layer, which is formed by using the heat generated by the arc burning between the flux and the welding wire under the flux layer, the base metal, and the molten wire flux. During use, the principal stress direction of the th...Read more -
Spiral steel pipe for anti-corrosion purposes
Due to the corrosion of steel pipes and equipment, production enterprises have stopped production, and production quality has declined. Affect domestic gas supply, heating steam or hot water, and bring many difficulties to people’s life. Leakage of buried oil, gas, water, and other pipeline...Read more -
What are the detection methods of oil casing
Oil casing is a high-end product produced by steel pipes. There are many types of casings, and there are many varieties and requirements for casing end buckle types. The machinable buckle types include STC, LC, BC, VAM, and other buckle types. The production and installation process of oil casing...Read more