Professional and advanced production equipment, so that the quality of steel pipes produced by Changjiang Steel Pipe reaches the domestic advanced level

Production Equipment

Cold drawing production line: it has 1 set of Φ60mm perforation unit, 4 sets of Φ50mm perforation unit, 16 sets of 5-120 ton cold drawing machines, 3 roller-bottom heat treatment furnaces, and an annual output of 150,000 tons of cold-drawn seamless steel pipes of Φ10-114mm.
Hot rolling production line: It has 1 set of Φ159mm and Φ273mm automatic precision hot rolling mills, 2 quenching and tempering heat treatment furnaces, and 2 sets of refined oil casing back-end wire turning processing lines, with an annual output of 400,000 tons of Φ76-377mm hot-rolled seamless steel pipe.
Heat expansion production line: It has 6 sets of heat expansion units, equipped with hydraulic propulsion heat expansion machine with high degree of automation, box-type heat treatment furnace, as well as internal and external shot blasting/polishing, hydraulic straightening, groove and other equipment, with an annual output of more than 60,000 tons of large-diameter seamless steel pipe of Φ356-1420mm. The production line is equipped with high degree of automation heat expansion, heat treatment equipment, non-destructive testing, water pressure, physical and chemical testing equipment, as well as internal and external shot blasting/polishing, groove and other equipment, in strict accordance with various domestic and foreign standards, technical agreements to produce high-grade, high-quality large-diameter seamless steel pipe, and can provide customers with nine countries classification society inspection, third-party inspection and other services.