The company can supply such tubes as per enterprise standard Q/HYAH14, which is equivalent to advanced international level. It can also produce according to DIN17175 (St35.8/I, St45.8/III) to meet users requirements. The steel grade can be supplied as follows, The specification can be supplied as following picture, Used for making superheating steam tubes, boiling water pipes and heat exchanger tubes for various low & medium pressure boilers. To meet customers? requirements, other specifications can be supplied according to mutual consultation. Awarded State Silver Medal in 1980,1985. The Gold Cup Prize for metallurgy product quality achieving international level in 1994. Obtained the Certificate of Conformity of Quality System? of China in 1995. Origin China Material Carbon steel , Alloy steel Packaging Nude packing Minimum order 5Mt Supply ability 20000Mt/ per year