Seamless, ERW, SSAW, API LINE PIPE Standards:API 5L, Grades: A, B, X42, X46,X52, X56,X60 Other steel grade is available a API LINE PIPE: O.D ... .89-820mm, W.T. 3- 16mm. API 5L, GrB, X42, X46,X52, X56,X60 Seamless, ERW, SSAW,API LINE PIPEStandards:API 5L ...