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
China’s Belt and RoadThe General Administration of Customs released the table of total value of import and export commodities by country (region) in April. Statistics show that Vie
Composition of ventilation ductsIn ventilation systems, tolerant ventilation pipes are used to feed or draw air. The cross section of the ventilation pipe is round and rectangular.
Method for improving rust resistance of large-caliber steel pipe1.When sand blasting or manual mechanical derusting is used, the metal scale on the surface of the large-diameter st
Temperature problems in the production of straight seam steel pipesIn the process of producing straight seam steel pipes, the temperature must be strictly controlled, so as to ensu
Why should pipelines be pickled, degreased and passivated?It is mainly aimed at steel pipes, which are prone to corrosion reactions, and there is a certain hidden danger to equipme
Characteristics of pipeline non-destructive testingCharacteristics of pipeline non-destructive testing1.The characteristic of non-destructive testing is that it can be tested witho
What are the detection methods of oil casing?What are the detection methods of oil casing?1. Ultrasonic testing: When ultrasonic waves are transmitted in the tested materials, the
The casting measures for stainless steel pipe fittings1. Since the shrinkage of stainless steel pipe castings greatly exceeds the shrinkage of cast iron, in order to prevent shrink
High temperature resistant seamless pipeHigh temperature resistant seamless pipeExcellent high temperature oxidation resistance. It has high high temperature strength, oxidation re
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