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.
For global steel stockists and traders,profit hinges on seizing market bottom prices and fast delivery resources,This month,we launch an exclusive limited-time flash promotion for large diameter welded steel pipes,Unbeatable factory bottom prices,full specifications and ultra-fast shipment create a rare stocking chance you cannot miss,
Global maritime shipping instability and rising freight costs have greatly affected international steel trade in recent years,Many overseas orders are delayed or blocked due to complex logistics and regional uncertainties,To avoid market risks and create stable supply channels for global clients,we have adjusted our global trade strategy,We build overseas warehouse networks and set up a professional international procurement team to support steady order delivery,Focusing on long-term and stable development,we are actively following the Belt and Road Initiative and shifting our focus to Central Asian markets,These inland markets are less affected by sea shipping risks and have huge potential in energy and infrastructure construction,After long-term market cultivation,we have accumulated stable local client resources and rich project service experience in Central Asia,
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
Technical problems of heat treatment of welding seam of welded pipeThe welding process of high-frequency welded steel pipe (erw) is carried out under the condition of fast heating
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
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