Guangdong 45 # precision steel / Jiangsu precision steel prices 45 45 # # precision steel inside and outside the wall oxide layer, to withstand high pressure without leakage, high-precision, high-quality finish, cold deformation, flaring, flattening without cracks a bit, so the main pneumatic or hydraulic components used in the production of products, such as cylinder or cylinders, which can be seamless, but also welded pipe. Precise chemical composition of the steel pipe carbon C, silicon Si, manganese Mn, S, phosphorus P, chromium Cr. 45 # Precision Steel Company perennial way to distributor sales and distribution: Tianjin Seamless Steel Tube Plant, Chengdu, Panzhihua Iron and Steel, Baotou Steel, Baoshan Iron and Steel, Anshan Iron and Steel and other major steel seamless pipe, stainless steel seamless pipe and alloy tube. The company has a large modern open-air library and indoor library, available from stock 1.2 million tons of 45 # precision steel Main: seamless steel pipe, high pressure boiler pipe, stainless steel. High-pressure boiler tube specifications: 8-1240 × 1-200mm, high-pressure boiler pipe manufacturing process: hot rolled, cold drawn, high-pressure boiler tube thermal expansion of 20G, ASTM SA106B / C, ASTM SA210A / C, ST45.8-III GB5310-1995 , ASTM SA106, ASTM SA210, DIN17175-79 ∮8-1240 * 1-200 for the manufacture of high-pressure boiler heating tubes, set top box, a steam pipe Liaocheng three sources Materials Co., Ltd. Guangdong ||| 45 # precision steel / Jiangsu 45 # Precision steel prices