The High-speed Wire-rod Mill designed by CISDI for Greenfield plant of Chongqing Steel passed the hot test on December 27, 2012. The billet was discharged from reheating furnace, and continuously rolled by the 28 stands through Roughing Mill, Intermediate Mill, Pre-finishing Mill and Finishing Mill, and finally output from Laying Head and Power-free Conveyor as coil.

 

The Bar and High-speed Wire-rod Mills for Greenfield plant of Chongqing Steel consist of one 400,000tpy bar mill and one 350,000 tpy high-speed wire-rod mill. Among the rest, the bar mill was fed with 150mmx150mmx8,000mm cast billet and produced Ф12mm~Ф40mm HRB335 and HRB400 ribbed bar, and Ф14mm~Ф40mm plain bar, quality carbon bar, low-alloy bar, chain bar, standard part bar and alloy structural bar. The high-speed wire-rod mill mainly produced plain carbon steel and quality carbon steel in Ф5.5mm~Ф16mm bright rod coil and Ф6.0mm~Ф12mm rebar coil.