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
JIS G3445 Carbon steel tubes for machine structural purposesJIS G3445 Carbon steel tubes for machine structural purposesThis Japanese Industrial Standard specifies the carbon steel
Hot extruded steel pipeHot extruded steel pipe is used in the production of hot extrusion process to manufacture seamless steel tubes.Hot extrusion is widely used in the production
Factors of weld defectsFactors of weld defects(1) Material factors:The so-called material factor refers welding base metals and welding materials used, such as wires, rods, flux, a
Hot forging and cold forgingHot forging means forging blank metal above the recrystallization temperature carried out. Features: reducing the deformation resistance of metals, thus
Effect of steel composition on the zinc coatingWhen the meter steel workpieces, the selection of steel, usually the main consideration is: the mechanical properties (strength, toug
Construction and storage of anti-corrosion steelConstruction and storage of anti-corrosion steel:(1) Before painting iron surface treatment Sa2.5 stage, construction is strictly pr
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