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Factory Introduction


Seamless steel pipe














Centrifugal caster _______ Cast pipe, tube of low-ductility steels
















Extruder ________ High-alloy tube,thick-walled tube, boiler tube












Piercing press __________ Elongator _________ Push bench
________ Threaded tube,commercial tube,boiler tube










Ingot casting _________ Piercing press __________ ___________ _________ Drawing press ________ Pressure vessels cylinders
















Assel mill
________ Roller bearing tube,thick-walled tube
















Assel mill ________ Roller bearing tube, thick-walled tube











Continous round casting _________ ____________ __________ Stiefel piercing mill _________ Diescher mill ________ Roller bearing tube, commercial tube
















Plug mill ________ Line pipe, drill pipe, boiler tube
















Continous mill ________ Line pipe,drill pipe, boiler tube










Steel works _________ Ingot casting __________ Blooming mill _________ Semifinishing mill
















Ingot casting _________ Piercing press _________ Mannesmann cross roll piercing mill














Continous slab casting _________ Strip rolling mill _________ Gas pipe, commercial tube, structure tube


















_________ Line pipe, precision tubing, structure tube













Ingot casting __________ Slabbing mill _________ Plate rolling mill _________ Line pipe, structure tube










Welded steel pipe








Steel works
_________ Continous  slab casting __________ ___________ _________ Strip rolling mill _________ Gas pipe, commercial tube, structure tube

















_________ Line pipe, precision tubing, structure tube


















_________ Line pipe, structure tube


Steel factoryHunan Standard Steel Co.,Ltd owns 3 sets of hot -rolled seamless steel pipe production lines and 2 sets of cold drawn seamless steel pipe production line with annual production capacity of 200,000 tons, the size range is from 73mm to 630mm. The continuous mandrel rolling process and the push bench process in the size range from approx. 21 to 178 mm outside diameter. The multi-stand plug mill (MPM) with controlled (constrained) floating mandrel bar and the plug mill process in the size range from approx. 140 to 406 mm outside diameter. The cross roll piercing and pilger rolling process in the size range from approx. 250 to 660 mm outside diameter.

It rolls the strip or plate then welds the tube to steel pipes by HF welding or submerged arc welding. Welded pipe making machine is composed of uncoiler, leveling machine, butt welder, loop, straightening machine and high frequency equipment. Our innovative production line and each single unit of the production line are not only economical but also practical. The complete production line adopts ZTF technology when producing round pipe, the customer shall reduce 60% expense on tooling.

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