Characteristics and classification of steel pipe

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  • Post last modified:June 3, 2021


The characteristics and classification of steel pipes are steel pipes with a hollow section and a length much greater than the diameter or circumference. According to the cross-sectional shape, it is divided into round, square, rectangular and special-shaped steel pipes; according to the material, it is divided into carbon structural steel pipes, low-alloy structural steel pipes, alloy steel pipes and composite steel pipes; according to the production process, it is divided into seamless steel pipes and welded steel pipes. Among them, seamless steel pipes are divided into two types: hot-rolled and cold-rolled (drawn), and welded steel pipes are divided into longitudinally welded steel pipes and spirally welded steel pipes.

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