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
Main Application of ASTM A179 Cold Drawn Seamless TubesASTM A179 cold drawn seamless carbon steel pipe is mainly used in various sectors of the metal structure facilities, mainly a
LSAW steel pipe and hot tension reducing pipeDifference between lsaw steel pipe and hot tension reducing pipeDifferent processes results in differences in product quality, and hot
How to judge the quality of the pipe insulationPipe insulation applications in today’s society is very widespread in many areas have played an important role, in which the steel qu
Hot dip galvanizing pipeHot dip galvanizing thicknessLength of the hot-dip galvanizing layer anticorrosion coating time is roughly proportional to the thickness. System parts in ve
Galvanized steel pipeGalvanized steel pipe production lineGalvanized steel pipe production line has special requirements, especially in a production environment, this a good enviro
ERW pipe technical requirementsERW pipe technical requirementsERW pipe weld contour shapeAccording to API SPEC 5L standards, most domestic production plant during SAW pipe weld ten
Difference between saw and hfw pipeDifference between saw and hfw pipe(1) submerged arc weldingSubmerged arc welding use a continuous feed wire as electrode and filled metal. Weldi
Difference Between ASTM and ASME StandardASTM material standards are developed by the American Society for Materials and Testing, ASTM material standards can include the chemical,
Cold rolling continuousCold rolling continuousAfter annealing of cold-rolled steel coil finishing must be carried out, including the cutting head, tail, cutting, flattening, smooth
Create Infinite Possibilities -Hunan Great Steel Pipe Co.,ltdFor the enterprise marketing strength, a high quality team with a strong belief may be equal to an efficient marketing
Continuous hot dip galvanizing process technologyContinuous hot dip galvanizing process has Sendzimir, modified Sendzimir US Steel Union law three kinds. Sendzimir method and impro
Cold drawn seamless tubeCold drawn seamless tube defects during processCold drawn seamless tube must be certain defects and quality issues in production process,which need for stri
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