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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 factory Hunan 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.

Factory Introduction

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