Cold Rolling Plant;
Baoshan Iron&Steel Co.;
Ltd.;
Shanghai 201900;
China;
Research Institute;
Baoshan Iron&Steel Co.;
Ltd.;
Shanghai 201999;
China;
State Key Laboratory of Development and Application Technology of Automotive Steels(Baosteel);
Shanghai 201999;
China;
Products&Technique Management Department;
Baoshan Iron&Steel Co.;
Ltd.;
Shanghai 201999;
China;
ultra-high strength steel; internal oxidation; hot rolling; pickling; cold rolling;