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
Energy Saving and Environmental ProtectionEnergy conservation and environmental protection is important in development. International invasion of industrial steel industry introduc
Alloy Steels pipeStainless steels pipe contain a minimum of 11% chromium, often combined with nickel, to resist corrosion. Some stainless steels, such as the ferritic stainless ste
Application status of China’s square rectangular tubeIn recent years, as the country’s investment in infrastructure around the major municipal and construction works more and more
Difference of UOE and JCOEThe difference of UOE and JCOE caused by the difference production process of them.From the above two kinds of production process, the technical of them a
Cold-formed steelCold-formed steel refers to the use plates or strip bent in a cold state of the various cross-sectional shape of the finished steel. Cold-formed steel is an econom
Defects and treatment of cold drawn steel pipeDefects and treatment of cold drawn steel pipe is as following:1, folding: pulling system, cold drawn steel pipe inside and outside su
Galvanized Steel Pipe Rust and technical requirementsGalvanized Steel Pipe RustGalvanized steel pipe rust is mainly for zinc soluble in acid and also be dissolved in alkali, so cal
Difference hot-dip galvanizing and cold galvanizingHot-dip galvanizing, it is at high temperatures the zinc ingots melt, being placed in the auxiliary material, then the metal stru
carbon steel pipe &seamless steel pipeCarbon seamless steel pipe selling leads:ASTM A 53 specification for black steel seamless pipesASTM A 106 Gr. B seamless carbon steel pipes fo
PE coated pipePE coating, a thermosetting epoxy powder, non-toxic paint, curing to form a coating of high molecular weight cross-linked structure, with excellent chemical resistanc
Bearing pipesBearing pipe is a kind of seamless steel pipe by hot-rolled or cold-rolled ( cold drawn ), used for the manufacture of ordinary bearing rings. The outer diameter of pi
Construction of cement mortar steel pipeConstruction of cement mortar in two ways. First floor centrifugation. Mainly suitable for pipes lined with construction DN400 caliber or le
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