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
Carbon steel tube vs Stainless steel tube: material difference and application field analysisIn daily life, carbon steel tube (cs tube) and stainless steel tube(ss tube) are one of
Common surface defects of seamless tubesCommon outer surface defects of seamless tubes (smls):1. Folding defectIrregular distribution: If mold slag remains locally on the surface o
What are the non-destructive testing of seamless pipes?What is non-destructive testing?Non-destructive testing, referred to as NDT, is a modern inspection technology that detects t
Coiled Tubing Manufacturing TechnologyCoiled tubing is a single length of several kilometers and repeated bending, achieve multiple plastic deformation of the new oil pipe. Coiled
Longitudinal Molding Principles and MethodsPipe forming the strip is unequal curvature composite longitudinal deformation process and continuous operation in cross section, and the
Steel management performance inspection① Tensile test: measure stress and deformation, determine the strength (YS, TS) and plasticity index (A, Z) of the materialLongitudinal and t
Deformation Strengthening of High-pressure Alloy PipeHigh-pressure alloy pipe deformation strengthening is using the method of deformation of steel reinforcement. Also known as the
Large-diameter LSAW Steel Pipe Production ProcessLarge-diameter LSAW steel pipe production process mainly explained:1. plate probe: used to manufacture large diameter submerged arc
Cause of the Welds in TrachomaSpiral Pipe(ssaw steel pipe): by strip by roll forming machine, folding spiral direction, and then double-sided submerged arc welding is made through
Fire pipelineFire pipeline is the pipeline system in order to build a fire, due to the special needs of the fire pipe thickness and material have special requirements, and sprayed
Pipeline corrosion detectionPipeline corrosion detection refers to in-pipe detection for the purpose of detecting metal loss such as pipe wall corrosion. The basic method used to u
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