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
Continuous Rolling Production ProcessContinuous rolling tube (hereinafter referred to as MPM) process is a mandrel refers to wear long capillary column continuously through a serie
Features of Hot-rolled Seamless TubeAfter hot-rolled seamless steel tubes, the grain refinement of steel, the ingot destroy the cast structure, eliminate defects and microstructure
The application of steel pipe in shipment and ocean EngineeringOcean engineering steel pipe design and the selection, specification is according to the classification of ocean engi
What three processes are included in the heat treatment of carbon steel tubes?According to different conditions, the metal material is heated to a suitable temperature and kept war
The weld edges heated temperature(LSAW - Longitudinal Submerged Arc Welding), it was the same as manual welding (LSAW – Longitudinal Submerged Arc welding), which was the same as t
Thick-walled Uneven of Seamless Steel PipeThick-walled uneven of seamless steel pipe1, During the perforation of seamless steel tubes extending coefficient is too large, roll speed
The main cooling bed types of spiral welded steel pipe production lineWhat are the main types of cooling beds in the spiral welded steel pipe production line? The following is intr
Cold drawn seamless steel pipe finish conditionCold drawn seamless steel pipe finish condition is as follows:Cold finished (hard)BK(+C)Tubes do not undergo heat treatment following
How to check the quality of galvanized seamless steel pipe?There are two types of galvanized seamless steel pipes, hot-dip galvanizing (hot-dip galvanizing) and cold-dip galvanizin
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
We use cookies and other tracking technologies to improve your browsing experience on our website, to show you personalized content and targeted ads, to analyze our website traffic, and to understand where our visitors are coming from.