Cold rolled seamless steel pipe Cold rolled seamless steel pipe is a type of steel pipe manufactured without welds or seams, using a process of cold rolling a solid steel billet through a piercing rod. This process creates a precise, high-quality pipe with improved surface finish and dimensional acc

20G high-pressure boiler tube is a kind of seamless tube. The manufacturing method is the same as that of seamless tube, but there are strict requirements on the steel type used to manufacture steel tube. According to the use temperature, it is divided into general boiler tube and high-pressure boiler tube.

API 5L seamless & welded pipeAmerican Piping Products stocks API 5L pipe in grades B, X42, X52, X60, X65 & X70.SizesSeamless from 2″ NPS to 36″ ODERW from 2″ NPS to 24″ ODDSAW from 20″ to 48″ ODScopeANSI / API 5L specifies the manufacture of two product levels (PSL1 and PSL2) of seamless and welded

Cold-drawn steel pipe is one of the most widely used steel pipes in daily life. Cold-drawn steel pipe is a whole steel pipe produced by drawing, extrusion, perforation and other methods. There is no seam on the surface. The hollow cross-section is round, square and other shapes of pipes.

Structural changes are taking place in the steel industryAt present, China's economy has shifted from a stage of high-speed growth to a stage of high-quality development.