NANJING IRON & STEEL Co., Ltd. (NISCO) signed a contract with the German company FRIEDRICH KOCKS GmbH & Co KG, Hilden for the supply and the commissioning of a 3-roll Reducing & Sizing Block 370/4 in heavy duty design [RSB++]for a new SBQ bar mill.

NISCO is part of the Nanjing Iron & Steel Union Company Limited with its headquarters in Nanjing and is listed on Shanghai Stock Exchange. It has approx. 11,400 employees and operates blast furnaces and rolling mills with a production of 6.8 Million tons in 2011.

Nanjing is the capital and metropolis of Jiangsu province and is located approx. 300 km West-Northwest of Shanghai. During ancient history Nanjing became both capital of the Chinese Empire as well as capital of the Republic of China. Today Nanjing is said to be the traffic platform of the Yangtze River Delta and with a population of roughly 8.2 Million residents, the city ranks behind Shanghai at number two of the biggest cities in Eastern China.

After completion the new rolling mill will produce 800,000 t/a of first class SBQ-bar within the range of 16 – 80 mm Ø. Downstream the roughing and intermediate mill, consisting of 20 stands, the four stand 370 mm Reducing & Sizing Block will produce all finished dimensions in coils and in straight lengths onto the cooling bed. The 3-roll RSB design also enables controlled rolling at low temperatures within the range of up to 60 mm Ø.

Besides the Reducing & Sizing Block with the automatic quick stand changing system the scope of supply comprises the bar mill configuration program BAMICON and the remotely controlled adjustment of pass and guides of the 3-roll stands in the mill line as well as the roll shop with quick roll change and CAPAS, the computer aided system for accurate adjustment of rolls and guides in the stands. The supervision of erection, commissioning and the training of customer personnel complete the contract package.

Implementing the 3-roll RSB into their new bar mill NANJING IRON & STEEL will have at hand the ideal tool for a trouble-free, economic production of top quality SBQ-bar.

Delivery of the 3-roll Reducing & Sizing Block is foreseen for the third quarter of 2013.

Source: FRIEDRICH KOCKS GmbH & Co KG