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
HSAW pipesHSAW pipes (spiral submerged arc welded pipe),is mabe of hot-rolled strip steel and bending formed according to spiral, automatic submerged arc welding carried out within
Working principle of pipe jackingPipe jacking construction is an underground pipeline construction method developed after shield construction. It does not require excavation of sur
Pros and cons of seamless steel tubesThe seamless tube is made of strong steel blocks without any welds. Welds may represent weak areas (susceptible to corrosion, corrosion and gen
Shortcomings of Duplex Stainless Steel PipeCompared with austenitic stainless steel pipe, duplex stainless steel pipe’s shortcomings are as follows:1) the universality of the appli
What is Stainless Steel ?Stainless steel does not readily corrode, rust or stain with water as ordinary steel does. However, it is not fully stain-proof in low-oxygen, high-salinit
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
Over-temperature Boiler Tubes KnowledgeBoiler tubes cooled in the heating surface tubes running time count or deterioration of the operating environment, dry, in a short time so th
304 Stainless Steel Seamless Pipe Wear304 stainless steel seamless pipe wear phenomenon is very common, many reasons for this phenomenon have physico-chemical and mechanical aspect
Passivation Process of Spiral PipeSince the thicker parts formed on the surface, dense and complex components of the scale, such parts pickling descaling relatively complicated. Su
There are spiral steel annealing process in use, mainly in the following three ways1, To stress annealingStress relief annealing, also known as low-temperature annealing (or temper
Puncher of Seamless Steel PipeProduction of hot-rolled seamless tube perforation is the most important step of deformation, its mission is to wear a solid tube rolled into a hollow
Features and benefits of seamless steel pipeFeatures and benefits of seamless steel pipe1. High precision machining saves wear and tear when the user quantity.2. Specifications, wi
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