Square tube divided by the production process: hot-rolled seamless pipe, cold drawn seamless pipe, extruded seamless pipe, welded square tube. Welded square tube which is divided into: (a) according to process sub - arc welding pipe, ERW square tube (high frequency, low frequency), welding pipe, square tube furnace brazed (b) by weld points - straight seam welded pipe, spiral welded square tube square tube as the name suggests, it is a kind of square shape of the tube, a variety of material substance can form a square tube, it is the medium in, what to use, what to use in place, most of the square tube with steel pipe for the majority, after unpacking GB galvanized square tube price, flat, curly, welding forming tube, and then cut to the desired length and then rolled into the square from the round tube. Typically 50 per pack square tube in the majority of large-sized spot in 0.8-1.5--500 * 10 * 10 * 500 * 10-25 galvanized square tubes procurement, the pipe use is divided into square tube structure, decorative side pipe, construction pipe, machinery square tubes. Galvanized square tube manufacturers _ _ Hefei RHS Show RHS Commerce Bo sales price offered by the Hefei exhibition Bo Trading Company. Hefei Show Bo Trading Company (www.hfzhanbo.com) strong, credible, in Hefei steel industry has accumulated a large number of loyal customers. The company better work attitude and continuous improvement will lead the development of innovative ideas of Commerce Bo into the brilliant and you work for a better future!