Seamless steel pipe with small outside caliber can be called small caliber thin-wall seamless steel pipe, and small caliber seamless steel pipe can also be divided into: seamless small caliber steel pipe and straight seam (also known as welding) small caliber seamless steel pipe, generally below 89mm of the outer caliber of the steel pipe, more than 4mm;Can be collectively referred to as small - caliber seamless steel pipe.Small caliber thin-walled seamless steel pipe is a kind of round, square and rectangular steel with hollow section and no joints around it.Small caliber thin wall seamless steel pipe is made of steel ingot or solid billet through perforation into capillary pipe, and then made by hot rolling, cold rolling or cold rolling.Small caliber thin-walled seamless steel pipe is hollow section, a large number of used for conveying fluid pipe, steel pipe and round steel, compared to solid steel in the bending torsional strength phase at the same time, the weight is lighter, is a kind of economic cross section steel, widely used in the manufacture of structural and mechanical parts, such as petroleum drill pipe, auto transmission shaft, bicycle frame and construction of steel scaffolding is used.

Jinjiang City Changjiang steel pipe Industry Co., LTD. Specializes in the production and sales of small caliber thin wall seamless steel pipe, Fujian seamless pipe, Fujian spiral pipe and shelf pipe.