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Oil casing pipe in-plant inspection: defect handling Various defects found in the pipe body or pipe end that affect the performance of the pipe, such as pits, cracks, folds, bumps, bumps, gouges, d...

1. Gage length measurement The basic principle is: two fixed-length grating rulers are set on the outer sides of the two ends of the seamless steel tube, and the rod ruler is used to drive the grating...

Material analysis of 3PE anti-corrosive steel pipe 3PE anticorrosive steel pipe base material includes seamless steel pipe, spiral steel pipe and straight seam steel pipe. The three-layer structure po...

Straight seam steel pipe is a steel pipe with welds parallel to the longitudinal direction of the steel pipe. It is usually pided into metric welded steel pipes, welded thin-walled pipes, transformer ...

In recent years, anticorrosive steel pipes have begun to be widely used in the construction of water and natural gas pipelines. Anti-corrosion steel pipes are usually selected from spiral steel pipes....

Nowadays, high-frequency straight seam welded pipes (ERW pipe) are mainly used in water supply engineering, power industry and petrochemical industry, etc. There are many types of water pipes used in ...