... , PSL2), 2aaGrades:B, X42,X52, X56, X60, X65, X70; 3aaNACE MR0175/ISO 15156, NACE MR 0103 complian LINE PIPESeamless, SAWL, HFW(ERW ... ) Available.- Standards: API 5L (PSL1, PSL2), ASTM A106/106M, ASTM A53, - Grades: B, X42,X52, X56 ... . NACE MR0175/ISO 15156, NACE MR 0103 compliance API 5L Line Pipe