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
Identification method of welded pipe and seamless pipeThere are three main ways to identify welded pipes and seamless pipes (smls):1. Metallographic methodMetallographic method is
ASTM A36 carbon steel pipeASTM A36 conforms to the standards of the American Society for Testing and Materials, and the ordinary carbon steel pipes produced according to the ASME s
How to calculate the weight of carbon steel pipe?In modern industrial production activities, steel structure is an important basic component, and the type and weight of the steel p
Seamless Steel Pipe for Ship BuildingThe seamless steel pipe for ship building usage are mainly used for Level 1& Level 2 pressure pipe in piping system, boiler and super-heated un
Factors affecting the yield strength of seamless pipeYield strength is an important concept in the field of seamless pipe mechanics. It is the stress value of seamless steel pipe w
Role of Welding PreheatingPreheating means a process that heat weldments in whole or in weld areas before welding. Particularly good material for welding high strength level, harde
ERW pipe standardERW pipe standard are as follows:API 5L, ASTM A53 B, ASTM A178, ASTM A500/501, ASTM A691, ASTM A252, ASTM A672API 5L Standard aims to gas and water in oil and gas
Cross-rolling piercing process and quality defects and their preventionThe cross-rolling piercing process is the most widely used in the production of seamless steel pipes, and was
Warehousing inspection and loading and unloading of anti-corrosion spiral steel pipesEveryone knows that when we transport all kinds of things, we need to check carefully, especial
Weld leveling of straight seam steel pipeWeld leveling of straight seam steel pipe (lsaw/erw):Due to the impact of the welding current and the influence of gravity, the internal we
Short joint welding of oil casingThe oil casing is short joint, causing this phenomenon due to internal mechanical failures such as roller or shaft eccentricity, or excessive weldi
Quenching and tempering treatment of seamless steel pipeAfter the quenching and tempering treatment of seamless pipes, the parts produced have good comprehensive mechanical propert
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