Hebei Bohai Tube Co., Ltd. specializes in producing carbon steel elbow 20. Buy 20 carbon steel elbow went to Hebei Bohai Sea. The price of carbon steel elbow, carbon steel elbow to elbow shape determinants addition to carbon to the general also contain small amounts of silicon, manganese, sulfur, phosphorus, carbon-use can be divided into carbon structural steel, carbon tool three types of structural steel and easy cutting steel 20 # carbon steel elbow, carbon steel structural steel is divided into two buildings structural steel and machinery manufacturing structure; according to the method can be divided into open-hearth steel smelting, steel and electric furnace steel converter; press deoxy The method can be divided into boiling steel (F), killed steel (Z), semi-killed steel (b) and special killed steel (TZ); according to carbon content can be divided into low carbon steel (WC ≤ 0.25%) long radius of 20 # carbon steel elbow, carbon steel (WC0.25% -0.6%) and high carbon (WC> 0.6%); by phosphorus, sulfur content can be divided into ordinary carbon steel, carbon steel (containing phosphorus sulfur high), high-quality carbon steel (containing phosphorus, sulfur, low) and high quality steel (containing phosphorus, sulfur and lower) and premium quality steel. Cangzhou Bohai 20 Pipe Co., Ltd. specializes in producing welded steel stamping elbow after elbow sclerosing 20 # carbon steel elbow twice as large, easy to crack, the use of different welding electrodes in the welding, stamping elbow ensure welding quality. If using the same type of chromium stamping elbow electrode welding, must be above 300 ℃ preheat and post-weld slow around 700 ℃ cold treatment. 20 # carbon steel elbow manufacturers _ Cangzhou Bohai (certified) _20 # carbon steel elbow Ltd provided by Cangzhou Bohai fittings. Cangzhou Bohai Pipe Fittings Co., Ltd. (www.czbh628.com) (www.hbbh628.com) is an industry leader in Cangzhou, Hebei, three, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. Cangzhou Bohai leadership with the staff warmly welcome all inquiries negotiations to create a better future Cangzhou Bohai.