... SEAMLESS STEEL LINE PIPE GRADE:A.B,X42,X52,X60 SpecificationsAPI 5L X42 Seamless Steel Line Pipe grade: A, B, X42, X46, X52, X6O usage: widely used in line pipe ... , fertilizer, petroleumAPI 5L X42 Seamless Steel Line Pipe we are ... ≤0.020≥0.020.02-0.06 API 5L X42 Seamless Steel Line Pipe