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
Dsaw weldingDSAW welding of principle:Submerged arc welding is the use of arc welding heat, And manual electrode arc welding is different: submerged arc welding wire is exposed abo
Difference between Hot Stretch Reducing Pipe and LSAW Steel PipeDifference between hot stretch reducing pipe and LSAW steel pipe are basically has the following two points:1, Resul
Cold rolled steel pipeCold rolled steel pipe is produced through cold-rolled process. Cold-rolling is at room temperature for a further rolled to a target thickness of the thin pla
Common Structural ShapesStructural steel is a category of steel used as a construction material for making structural steel shapes. A structural steel shape is a profile, formed wi
Analysis of pipeline welding defectGroups holeAt the time of the extinction, the protective effect of the arc and sla is weakening and easy to be prone porosity and other defects i
Characteristic of casing pipeCasing is important to oil drilling equipment, and its main equipment includes drill, core pipe and casing, drill collars and drilling small diameter s
ASTM StandardFor the ASTM standard, different material with different steel grade,besides, their mechanical properties and chemical composition, metallurgical properties are all d
Difference between erw and saw steel pipeERW is a electric-resistance welded steel pipe, Resistance welded steel pipe is divided into exchange of welded steel pipe and DC welded st
Analysis on the weld defects on the low carbon steel pipelineEncountered hole problems are very common in the welding process, welding materials drying, corrosion of the base metal
Belt And Road impact on steel industryShinestar Steel Research Institute believes that China’s era of rapid economic growth has gone for ever, which makes the steel industry has ex
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