Classification of rectangular tubes:

Seamless rectangular tube and welded rectangular tube, hot rolled seamless rectangular tube, cold drawn seamless rectangular tube, extruded seamless rectangular tube, welded rectangular tube.

The rectangular tube. is divided into:

(a) According to the process - arc welded rectangular tube, resistance welded rectangular tube (high frequency, low frequency), gas welded rectangular tube, furnace welded rectangular tube

(b) According to the welding seam - straight seam welded rectangular pipe, spiral welded rectangular pipe.

Changsha Xiangjia Metal Materical Co., Ltd. is professional manufacture in SSAW steel pipe, galvanized steel pipe, seamless pipe etc. with various grades and sizes. Years of production experience and manufacturing facilities who have a capacity of 200,000 tons per annual will ensure the good quality and competitive duration of our products.