api erw pipe: O.D.78-820mm, W.T. 3- 16mm. API 5L, GrB, X42, X46,X52, X56,X60 API ERW PipeStandards:API 5L,Grades: A, B, X42, X46,X52, X56,X60Other steel grade is available as per clients requirements. Specifications: O.D.89-820mm, W.T. 3- 16mm.Beveled/plain end or varnished as per clients confirmation Dimensions, Mechanical properties, Chemical compositions: Refer to API 5L or as per clients ...