Cangzhou Bohai Steel Pipe Co., Ltd. production and supply elbow, and cheap. Nickel had previously developed abroad, Ge alloy steel elbow 20 # steel system specifications, our country is found to be silicon, manganese, vanadium, titanium, niobium, boron, lead, rare earth alloy system based alloy in steel production in accounting for more than ten percent 20 # steel stamping elbow, usually in an electric furnace smelting of steel pipe by use can be divided into eight categories, which are: alloy structural steel, spring steel, bearing steel, alloy tool steel high-speed tool steel, stainless steel, heat-resistant steel can not afford leather 20 # steel elbow, electrician has good formability silicon steel PC / ABS, machinability large automotive parts such as car fenders wholesale 20 # steel elbow, there is a very high price in the ordinary carbon steel alloy steel pipe on the basis of one or more alloying elements to add the right amount and classification of iron-carbon alloy steel tube constituted: P91 alloy steel points and welded steel pipe and so on. Cangzhou Bohai Steel Tube Co., Ltd. specializes in producing elbow its total alloy containing <3%. 300,350,400 divided by the intensity and 450MPa and other four levels. There are Q295, Q345, Q390, Q420, Q460. : "Q" is the yield of the "Qu" pinyin word uppercase first, followed by figures for grades minimum yield point (σs) value, followed by the symbol is in accordance with the steel impurity elements (sulfur, phosphorus) content by high accompanied by changes to the low carbon, manganese and is divided into A, B, C, D four and so on. Where A, B grade steel is usually called 16Mn 20 # steel elbow manufacturers | Cangzhou Bohai (certified) | 20 # Steel Limited provided by Cangzhou Bohai elbow 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.