Hunan Great Steel Pipe Co., Ltd provides services that reduce total project cost and keep complex piping systems on schedule. Including Cutting, Rolling and Bending, Coating, Beveling, Threading, Welding and Assembly Forming.
Three ways to ensure smoothness as required when producing straight seam steel pipe1. Rolling mold: The general method of rolling mold is to press the glass powder into a glass mat
Benefits of using 45 degree elbows in construction and infrastructure projectsBenefits of using 45 degree elbows in construction and infrastructure projectsConstruction and infrast
Significance of the heat treatment process of oil casingHeat treatment is the most important process in the processing of oil casing. Whether the performance and quality of the fin
Quality inspection method of spiral pipeThe quality inspection method of spiral pipe (ssaw) is as follows:1. Judging from the surface, that is, in visual inspection. Visual inspect
Seamless tube eddy current flaw detectionEddy current flaw detection is a flaw detection method that uses the principle of electromagnetic induction to detect surface defects of co
Corrosion in drilling pipeWhat is the main difference between corrosion fatigue fracture and stress corrosion fracture of drill pipe?I. Crack initiation and expansion: Stress corro
Seamless steel pipe scheduleThe steel pipe wall thickness series comes from the British metrology unit, and the score is used to express the size. The wall thickness of the seamles
Raw material and production process of steelIn daily life, people always refer to steel and iron together as “steel”. It can be seen that steel and iron should be a kind of substan
Precautions when washing seamless tubesWhen processing seamless tubes in seamless steel tube factories, pickling is used. Pickling is an indispensable part of most steel pipes, but
Surface treatment of spiral welded pipeSpiral welded pipe (SSAW) rust removal and anticorrosion process introduction: Rust removal is an important part of the pipeline anticorrosio
SMALL-DIAMETER WELDED PIPEThe small-diameter welded pipe is also called small-diameter welded steel pipe, which is a steel pipe made by welding a steel plate or a strip steel after
Production process requirements for seamless tubesThe scope of application of seamless tubes in production and life is getting wider and wider. The development of seamless tubes in
Three production processes of welded pipesSteel pipes are generally divided into seamless steel pipes and welded steel pipes according to the production method. This time we mainly
How to improve the service life of seamless pipes?The materials produced by seamless pipes are different, and the elements are naturally different. Generally speaking, our seamless
Rust removal method of straight seam steel pipeIn the process of anti-corrosion construction of oil and gas pipelines, the surface treatment of straight seam steel pipe is one of t
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