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
Hydrostatic test of spiral welded pipeSpiral steel pipe carrying water application to conduct a hydrostatic test, usually it is testing machine to test when trials to ensure the qu
High-pressure steel pipe production process and its simple maintenanceThe main production process of high-pressure steel pipe: billet heating, perforated tube, pipe extension.High-
Difference of Hot-rolled and Cold-drawnHot-rolled is based on the slab (mainly billet) as raw material, heated by a roughing mill and finishing mill group made of steel. From finis
disadvantages of welded pipesWelded steel pipe is continuous online production, the thicker the thickness, the greater the unit and dissolves equipment investment, the less it has
Crack detectionWeld cracks in a pressure vessel are mostly belonging delayed cold cracking and the distribution is very broad. In the process of the pressure vessel manufacturing a
Coefficient of expansion of precision steel pipeCoefficient of expansion of precision steel pipeCheck the method can be used in the annealing furnace soapy water to wipe each joint
Low carbon steel weld abilityBecause of the low carbon steel is with low carbon content, manganese, silicon content is also small, therefore, under normal circumstances will not be
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