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
Annealing And Quenching of Cold Drawn Steel PipeAnnealing of cold drawn steel pipe: refers to metal material heated to the appropriate temperature, maintained a certain time, and t
Oil pipeline welding technologyFor conventional oil pipeline welding, the quality is difficult to control and difficult to achieve the required welding slag are not allowed inside,
Electrodes for weldingWelding electrode consists of two parts, the core and coating. Metal core welding electrodes are outside the paint (coating) uniform pressure applied to caref
Linear defects in steelSteel tube as an inside surface of the tube in the process of hot-rolled wear plug fatigue caused by wrinkling of the short and shallow scratches or the inne
Arc weldingArc welding refers to arc supply heating energy, so that the workpiece to fuse together to achieve atomic indirect co-welding method. Arc welded is the most widely used
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