Zero profit sales of carbon steel welded flange Q235 HG / T20593 superior quality welded flange process: the ring butt welds shall be full penetration welds; 4, ring butt weld after weld heat treatment should be carried out on welding flange, and for 100% ray or ultrasonic inspection and radiographic inspection in line with JB4730 Class II requirements, the price of stainless steel welded flange, ultrasonic testing in line with the requirements of Class I JB4730's. Quality American standard welded flange DN800 * 15 low rigidity values ??cheap company specializing in the production of stainless steel flange GB flange flange other stainless steel forgings flange (Flange) also known as the flange or flange. Tube and pipe flanges are so interconnected parts, connected to the pipe end. Flange connection or flange joint, is defined by the three flange gaskets and bolts removable connected to each other as a group combined seal welded flange connection structure of large favorably, the lowest price (certification), welding method Portland from Hebei Cang Sheng Pipe Manufacturing Limited. Cang Sheng Hebei Pipe Manufacturing Co., Ltd. (www.csyrb.com) (www.hbcsgj.com) Hebei Cangzhou, elbow leaders, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, the maximum meet customer needs. Cang Sheng Pipe leadership with the staff warmly welcome all inquiries negotiations to create Cang Sheng Pipe better future.