Improvement of hot ductility of C-Mn Steel containing arsenic by rare earth Ce Wenbin Xin, Jing Zhang, Guoping Luo, Ruifen Wang, Qingyong Meng and Bo Song Metall. Res. Technol., 115 4 (2018) 419 Published online: 15 October 2018 DOI: 10.1051/metal/2018030