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
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
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
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
Wrought steel pipeWhat is wrought steelWrought steel material refers to product forms (forged, rolled, ring rolled, extruded…), while forging is a subset of wrought product form.Di
Derusting method of seamless steel pipeSteel refers to a metal material with iron as the main element, carbon content generally below 2.0% and other elements. The difference betwee
Differences between annealing and normalizing of seamless steel pipesThe main difference between annealing and normalizing:1. The cooling rate of normalizing is slightly faster tha
Carbon steel tube material and useCarbon steel tubes are made of steel castings or solid round steel through holes to make capillaries, and then made by hot rolling, cold rolling o
Thermal expansion carbon steel pipeWhat is heat-expanded steel pipe?Thermal expansion is a processing method of steel pipes, which is to process small-diameter steel pipes into lar
Carbon steel tube welding processWelding problems are sometimes encountered during the installation of carbon steel tubes. So, how to weld tubes? What should we pay attention to wh
Production process of carbon steel welded pipeCarbon steel welded pipes are mainly divided into three processes: electric resistance welding (ERW), spiral submerged arc welding (SS
Common problems and solutions in the construction of directly buried thermal insulation pipesThe direct buried insulation pipe is foamed by chemical reaction of high-function polye
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