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
There are spiral steel annealing process in use, mainly in the following three ways1, To stress annealingStress relief annealing, also known as low-temperature annealing (or temper
Surface Treatment of Precision Steel PipeSurface treatment of precision steel pipe is by changing the precision steel surface tissue heat treatment to alter one surface properties.
Defects of Welded Steel PipeWelded steel pipe production process is a steel sheet, strip, and other various molding methods using the straight press roll or helical direction curli
Storage Conditions of Seamless Steel Pipe1) Steel storage site or warehouse, should be selected in the clean, smooth drainage area, away from harmful gases or dust factories and mi
Puncher of Seamless Steel PipeProduction of hot-rolled seamless tube perforation is the most important step of deformation, its mission is to wear a solid tube rolled into a hollow
Features and benefits of seamless steel pipeFeatures and benefits of seamless steel pipe1. High precision machining saves wear and tear when the user quantity.2. Specifications, wi
Embrittlement of Precision Steel PipeBrittle tempering temperature range based on precision tubes can be divided into low and high temperature temper brittleness temper brittleness
Precision Seamless Steel TubePrecision seamless steel pipe is a cold drawn or hot-rolled after treatment of a high-precision steel pipe. As the precision seamless steel pipe inside
Rupture Phenomenon of Cold Drawn Seamless Steel PipeWhen seamless steel tubes are cold drawn, hot rolled tube defects such as cracks or the presence of high-precision drawing fuel
Weld Appearance Requirements of Pressure PipeBefore the pressure pipeline nondestructive testing, visual inspection of welds shall comply with the requirements. Pressure pipe weld
Quenching Method of Steel Pipe Deformation and CrackAustempering is to reduce the deformation of steel pipe and an effective method of quenching crack Jian, but how to properly use
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