Shougang Jingtang Celebrates Danieli QSP-DUE HRC Line
QSP-DUE HRC LineDanieli

Shougang Jingtang Celebrates Danieli QSP-DUE HRC Line

A new milestone in thin-slab casting and rolling has been achieved by Danieli QSP-DUE technology, operating now in China. A celebratory event took place

A new milestone in thin-slab casting and rolling has been achieved by Danieli QSP-DUE technology, operating now in China. A celebratory event took place on July 2nd at Shougang Jingtang premises in Caofeidian industrial area in Tangshan city in Hebei province in China. The Danieli QSP-DUE plant has reached nearly 190,000 tonnes per month of productivity, exceeding design capacity (109%), with true endless production for up to 97% by weight within each casting and rolling sequence, and about 90% of the overall production below 2.5 mm thickness.

Also, casting sequence duration is in excess of 14 hours, with cruise speed of 5.4-5.5 meters per minute for low-carbon grades and 5.2 meters per minute for weather-resistant grades. Additionally, up to 37 heats cast in 24 hours, equivalent to about 7800 tonnes, or the caster throughput of 6.4 tonne per minute, which represent world records in thin-slab casting.

The QSP-DUE technology performs in coil-to-coil, semi-endless and endless rolling modes, selecting the most suitable process in accordance with the high-quality requirement of various steel grades and strip dimension, optimizing at the same time yield, energy consumption and OpEx. This is something completely new, even compared with the latest generation plants limited to pure endless capability. Furthermore, slab widths can be changed up to 250 mm during casting.

Shougang Jingtang produces 2.1 million tonne per annum of hot-rolled coils in a wide mix of steel grades and strip dimensions, from 0.8 to 12.7 mm thick and from 900 to 1600 mm wide. Thanks to Dysencaster, the next Danieli QSP-DUE generation will target 4.5 million tonne per annum productivity and substitute conventional hot-strip mills.

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