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
What is the difference between cold drawn steel pipe and hot rolled steel pipe(1) The difference between hot working and cold working: hot rolling is hot working, and cold drawing
How to Unblock the Gathering and Transportation Wax Condensation Buried Oil Pipeline in WinterThe hot water sweeping method can be used to remove the blockage:1. Use a 500 or 400 p
Anti-corrosion treatment of ductile iron pipe1. Asphalt paint coatingThe asphalt paint coating is used to transport gas pipelines. Preheating the pipe before painting can improve t
Four methods of measuring the length of spiral steel pipe1. Improved encoder length measurementThis method is an indirect measurement method. The length of the steel pipe is measur
Technical characteristics of double-sided submerged arc welding spiral steel pipe1. During the forming process of the steel pipe, the steel plate deforms evenly, the residual stres
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