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
The Strip Width Deviation Affects the Quality of Welded Steel PipeFrequency welded pipe production process, affecting the quality of the elements have more than one pipe, the main
Deformation Strengthening of High-pressure Alloy PipeHigh-pressure alloy pipe deformation strengthening is using the method of deformation of steel reinforcement. Also known as the
Reduction of Nb Steel Surface Cracks and Prevention MeasuresTransverse cracks will affect the finished product rate just after rolling. Increase billet cleanup time, both great har
Precision Tube length Measurement MethodAccording to the technological requirements of different manufacturers, precision tubes length measurement systems with a variety of length
ERW oil casing application and market analysisIn the field of oil drilling and oil well, high-frequency electric resistance welded casing (referred to as ERW casing) compared with
Large-diameter LSAW Steel Pipe Production ProcessLarge-diameter LSAW steel pipe production process mainly explained:1. plate probe: used to manufacture large diameter submerged arc
Tube Billet Heating Defects and Its PreventionHot-rolled seamless steel pipe from the tube to the product generally requires two heating, which perforated tube before and after hea
Spiral Weld SeamSpiral weld seam has the following several types:1. Spiral strip end weld: steel head that spiral weld on steel or steel weld head and tail;2. Two spiral butt weld:
Production of Cold Drawing Petroleum Cracking TubeProduction of cold drawing petroleum cracking tube can be cold-rolled, cold drawn, cold-drawn, cold-mix production. Using drawing
Cause of the Welds in TrachomaSpiral Pipe(ssaw steel pipe): by strip by roll forming machine, folding spiral direction, and then double-sided submerged arc welding is made through
Advantages of Galvanized PipesAdvantages of galvanized pipes is following below:Firstly, galvanized pipe after being hot dip galvanized surface can be protected, and inside the cav
Fire pipelineFire pipeline is the pipeline system in order to build a fire, due to the special needs of the fire pipe thickness and material have special requirements, and sprayed
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