1ZP Zhao, ZM Wang, HM Zhang, LF Qiao.Effect of deformation and cooling rate on the transformation behavior and microstruc- t ure of X70 steels [ J ].Journal of University of Science and Tech- nology Beijing, Mineral, Metallurgy, Material, 2007, 14 (5): 410-413.
2SY Shin, BC Hwang, S Kim, S Lee.Fracture toughness analysis in transition temperature region of API X70 pipeline steel [J].Mate- rials Science and Engineering, 2006, A429:196-204.