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
Principle of automatic butt welding machine for steel pipeThe preheating flash welding process: before the continuous flash welding is stopped, the welding machine is preheated to
How to choose a high-quality seamless steel pipe manufacturer?Most industries have relatively high requirements for seamless steel pipes, and steel pipes need to be purchased in ba
Hot-expanded seamless steel pipe manufacturing process – cross rollingCross rolling is a rolling method between longitudinal rolling and cross rolling. The rolling of the rolled pi
Cross-rolling piercing process and quality defects and their preventionThe cross-rolling piercing process is the most widely used in the production of seamless steel pipes, and was
Factors affecting the quality of seamless tubesThere are two categories of factors that affect the quality of seamless tubes: steel quality and rolling process factors.Many factors
How to control the defects on the inner surface of seamless tube?The scarring defect in the hot continuous rolling seamless tube exists on the inner surface of the steel pipe, whic
Warehousing inspection and loading and unloading of anti-corrosion spiral steel pipesEveryone knows that when we transport all kinds of things, we need to check carefully, especial
Causes and measures of uneven wall thickness of seamless tubesThe uneven wall thickness of the seamless tube(SMLS) is mainly manifested in the phenomenon of uneven wall thickness o
How to enhance the stability of spiral steel pipe?Spiral welded pipe (ssaw) is a kind of steel pipe that combines low-carbon and environmentally friendly alloy structural steel and
Flattening test of seamless steel pipeThe production process of seamless steel pipes is relatively cumbersome and rigorous. After the seamless steel pipe is produced, certain tests
Weld leveling of straight seam steel pipeWeld leveling of straight seam steel pipe (lsaw/erw):Due to the impact of the welding current and the influence of gravity, the internal we
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