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
Causes of steel pipe recrystallization textureIn the hot deformation, the grains, impurities and defects in the second phase and a variety of metal inside the maximum extension alo
Bright Prospect of LSAW Steel PipeLSAW steel pipe is the professional term of Longitudinally Submerged Arc Welding. It has the following features. First of all, the product specifi
Antirust varnish for oil pipelineThe surge in oil demand is driven by the rapid development of oil exploration, acquisition, refining, and petroleum equipment manufacturing. The pr
A New Method to Measure The Wall Thickness of Welded Steel PipeThis device consists of a measuring head of laser ultrasonic measuring equipment, a motivating laser, an irradiating
Difference between erw and saw steel pipeERW is a electric-resistance welded steel pipe, Resistance welded steel pipe is divided into exchange of welded steel pipe and DC welded st
Carbon steel pipe rusting and hardnessCarbon steel pipe anti-rust oil: it is with a high corrosion resistance and adhesion,which does not contain harmful substances such as formald
Buried pipeline coatingBuried pipeline act as one of the important facilities of the oil and gas transmission carrier, ground engineering, which is connected upstream resources and
API 5L PSL2 LSAW Steel PipeAPI 5L PSL2 LSAW Steel PipeLSAW steel pipe are manufactured of metal in-house produced and smelted in the electric furnace, treated with synthetic slags
Analysis on the weld defects on the low carbon steel pipelineEncountered hole problems are very common in the welding process, welding materials drying, corrosion of the base metal
Different Uses of Steel with Different Technical ConditionsDifferent uses of steel in accordance with the actual use and working conditions for the different response to mild steel
Difference between HFW and DSAWThe difference between double submerged arc welding(dsaw) and high frequency difference(hfw) is mainly manifested in the appearance of the weld appea
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