Cangzhou Bohai Pipe Co., Ltd. specializing in the production of 20 # flange forging forming called the model forging forging, the blank is placed in a heated die forging fixed in the forging of the device. 1. The basic process of forging forging process: cutting, heating, pre-forging, the final forging, red skin, cutting, conditioning, shot. Common processes are upsetting, stretching 20 # flange, bending, punching, molding. 2. forging equipment commonly used equipment forging hammer forging, hot forging presses, horizontal forging presses and other machines and friction. More simply, better quality forged flanges, usually close sales 20 # flanges by forging production, crystal structure, high strength, and of course the price is expensive. Whether casting or forging flange flange flange are all conventional manufacturing method, the strength of the member is required to see the requirements for welding flange 20 #, 20 # flange if less demanding price, the system can also be selected turning flange. Cangzhou Bohai Tube Co., the production of 20 # flange corrosion Flange packing is a long-term solution unique solution to the corrosion problem. Flange filler is a polar polymer-based composite coating. It forms a paste can be used without pretreatment. Viscoelastic material into the recipe to make this pitch and voids, can produce an excellent anti-corrosion seal. Flange packing Flange packing system for its ease of use and save time and money. Provide long-term protection sales flange 20 #, 20 # flanges, Cangzhou Bohai Ltd provided by Cangzhou Bohai tube. Cangzhou Bohai Tube Co., Ltd. (www.czbh628.com) (www.hbbh628.com) strong, credible, three-way, etc. Hebei Cangzhou accumulated a large number of loyal customers. The company better work attitude and constantly improving Cangzhou Bohai innovative ideas will lead into the brilliant and you work for a better future!