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Largest seamless tube plant delivered to China
Jul 2, 2011
Delivery of the world’s largest finishing plant for seamless tubes with diameters up to 20" has started. The customer is a Chinese consortium consisting of the Tianjin Pipe Corporation (TPCO) and the Jiangsu Shagang Group Huaigang Special Steel Company. Erection is scheduled to start in August 2011 in the Huai’an works in Jiangsu province. Production is due to start at the beginning of 2012. The capacity of the new FINISHING plant is 500,000 t of seamless tubes per year. Main customers are the oil and gas industry.
SMS Meer Project Manager, Roland Preuten: “The project has a signal effect for the whole tube industry. This plant will represent the largest production facility for seamless tubes in China. The maximum diameter of 20" is a record.”
Benefits of this type of plants include the low energy and material consumptions. The finishing process means smaller tolerance deviations in the roll gap, minimum material load and fewer disruptive influences during the rolling process. For tube mill owners this means: Tube production runs in a more stable manner and is easier to master. And: The lower material stress makes it possible for the product range to be extended to thin-walled dimensions and higher steel grades.
For the 20"-tubes SMS Meer has developed the world’s largest cone-type piercer with a roll diameter of 1,700 mm. In the finishing mill, the three rolls are positioned uniformly around the tube. As a result, the forces acting on the tube are distributed more uniformly around the circumference than with the two-roll arrangement.
The company is also to supply the finishing mill, the components for the run-out side and the extracting and sizing mill. The engineering for the mechanical and electrical parts of the hot section of the mill also come from SMS Meer.
In addition, make sure to read these articles:
Largest seamless tube plant delivered to China
Turnkey continuous annealing line for Tianjin Tiantie Metallurgical Group, China
Two minimills for Tianjin Iron & Steel Co Ltd.
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