Seamless square tube, seamless rectangular pipes, seamless square rectangular pipes to the Cangzhou City Yan Thai Steel Pipe Co., Ltd. specializing in the production of all kinds of seamless square tube, seamless square tube is formed by a cold-drawn, cold rolled technology no seam side tube. Seamless square pipe quality seamless pipe as raw materials, seamless square tubes are generally divided into two types of processing methods. Drawn seamless: cold drawn seamless tubes generally 200mm * 200mm * 10mm Specifications seamless rectangular tubes, cold drawn rear torque tube higher precision, more suitable for small-caliber. The thin-walled seamless rectangular tube products, cold rolled square steel tubes, cold-rolled square steel tube is a drive roller and the pressure roller carried Rectangular Pipe processing, mainly applicable to a larger diameter thick square rectangular tubes products, general cold rolled caliber range: 20mm * 20mm-800mm * 800mm, wall thickness ranging from 2-30mm seamless square tube processing customized according to the specific needs of the customers, Small quantities. Unit profiled can also be customized, is a convenient, the new material. Product quality assurance, the mechanical properties are excellent. Can be customized according to your specific needs for processing seamless square tube, seamless square tube specifications: 135 * 135 specifications seamless square tube: Professional for a variety of lifting machinery, lifting machinery, 120 * 120 seamless The square tube is mainly used for a variety of cement equipment 200 * 200 specifications seamless square tube steel support structure for a variety of use. 400 * 400 specifications thick-walled seamless tube dedicated to all kinds of curtain wall bracket. 500 * 500 large diameter seamless pipe is mainly used for a variety of structural, mechanical equipment, 600 * 600 large diameter thick-walled seamless tube for steel bracket seamless square tube according to the specific use of each custom-made of seamless pipe products of the kinds of material: Q345B seamless square tube 20 # seamless square tube, 45 # seamless pipe, 16Mn seamless square tube, welcome new and old customers call to discuss Yan Thai Steel Pipe staff dedicated to provide the gold medal seamless square tube products