5HEALY J,BILLINGHAM J.Metallurgical Considerations of the High Yield to Ultimate Ratio in High Strength Steels for Use in Offshore Engineering[C]∥14th International Conference on Offshore Mechanics and Aretie Engineering.Copenhagen:[s.n.],1995:365.
9ISHIKAWA N.Development of High Strength Linepipe with Excellent Deformability[C]∥Seminar Forum of X100/X120 Grade High Performance Pipe Steels.Beijing:[s.n.],2005:51-55.
