6[5]Alan Glover.Application of Grade 550(X80)and Grade 690(X100)in Arctic Climates[C]//The International Conference on the Application and Evaluation of High-Grade Line Pipes in Hostile Environments.Yokohama,2002:33-52.
7[6]Alan Glover.X80 Design,Construction and Operation[C]//Proceedings of Symposium on X80 Grade Steel and Line Pipes.Beijing,2004:143-198.
8[7]Alan Glover.Research and Application of X100 and X120[C]//Proceedings of Symposium On X80 Grade Steel and lane Pipes.Beijing,2004:108-142.
9[9]Jeremy C Price.Welding Need Specified for X-80 Off Shore Line Pipe[J].Oil &.Gas Journal,1993,91(51):95-98.
10[11]DORING D V,LOYER A,RUSSELL A N,et al.Gas Metal Arc Welding Used on Mainline 80 ksi Pipeline in Canada[J].Welding Journal,1992,71(5):55-61.