OD 219-2220mm, WT:6-26mm, ( we also can make the pipes arrcording to costomer抯 request) Standard: API 5L; GB/T9711.1-1997, Steel Grade: Q235, Q345,A, B, X42, X46,X52,X56,X60,X65,J55, SSAW pipe is made of hot rolled coiled steel by automatic submerged arc weld under normal atmospheric temperature. All the pipes are produced according to API Spec 5L,GB/T9711.1,GB/T9711.2 standard.These pipes mainly used in petroleum and natural gas industry to transport flammable and non-flammable liquid and steel construction. There are 8 sets of modernezed production line of SSAW pipe with annual yield 400,000 tons.The production have been sold to 28 provinces,cities and autonomous regions,and also been exported abroad. Meantime, this kind of product was praised as famous brand product in Hebei province on December,2002