Beneficial effect of B on hot ductility of 20CrMnTi steel with 0.05% Sn Hongbing Peng, Weiqing Chen, Lie Chen and Dong Guo Metall. Res. Technol., 111 4 (2014) 221-227 Published online: 04 July 2014 DOI: 10.1051/metal/2014027