Thick-walled seamless steel pipe Shandong Liaocheng Development Zone-priced sales 13561235169 0635-8877058 Kai Steel Co., Ltd. perennial supply of various materials thick-walled seamless steel pipe, special thick-walled paper tube, quality assurance, priced supply. Thick-walled seamless steel pipe production manufacturing process can be divided into cold drawn, cold-rolled, hot-rolled, hot expanded four basic ways, made of steel 10 #, 20 #, 35 #, 45 # as ordinary steel, in accordance with Use is divided into structural seamless steel pipe; seamless steel pipe transport; boiler seamless steel tubes; high-pressure boiler seamless steel pipe; fertilizer equipment with high-pressure seamless steel tubes; geological exploration with seamless tiles; oil exploration with seamless tiles Pipe; seamless steel tubes for petroleum cracking; ship with seamless steel; rolled precision cold drawn seamless steel tubes; various alloys. Seamless expressed in terms of diameter, wall thickness, thick-walled seamless steel pipe is mainly used for machining, mining, hydraulic steel, and other purposes.