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
What is the material of the spiral pipe?Spiral pipe is a spiral seam steel pipe made of strip steel coil as raw material, extruded at regular temperature, and welded by automatic d
How to Solve Bubble Problem of Precision Light PipeHeat strengthened, high impact toughness, may not be sensitive to lack. Excellent thermoplastic, high speed extrusion into a comp
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
Large-caliber Straight Seam Steel Pipe Production Process1. Before molding workRaw materials that strip, wire, flux. We must go through rigorous physical and chemical testing befor
Continuous Rolling Production ProcessContinuous rolling tube (hereinafter referred to as MPM) process is a mandrel refers to wear long capillary column continuously through a serie
Longitudinal Molding Principles and MethodsPipe forming the strip is unequal curvature composite longitudinal deformation process and continuous operation in cross section, and the
Ceramic-lined Composite Steel Pipe InstallationCeramic-lined composite steel pipe transportation and installation is very convenient, ceramic lined composite steel pipe and steel p
Difference between Submerged Arc Welding and High Frequency WeldingSubmerged arc welding is an arc welding under flux layer combustion method. Welding arc between the wire and the
Overall Hardening of SteelWith the rapid development of China’s oil industry, the demand for high-grade steel is growing, and high-grade steel must be quenched, and therefore the s
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
It is expected that the price of Huazhong steel pipe will fluctuate within a narrow range tomorrowOn July 27, in terms of welded pipes and galvanized pipes, the black futures fluct
Processing Methods of Pipe FittingsProcessing methods of pipe fittings there are many. Many also belong to the scope of machining and the like, the most widely used method of stamp
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