Application ú¦ it is used for the seamless steel tubes for furnace, heat exchangers and pipeline in petroleum refineries. We can supply: 1)sizes (o.D. X w.T): from 13.7mm -- 720mm 2)standard: chinese gb9948 3)steel grade: 10#, 20#, 15crmo, 20crmo, other grade is also negotiable 4)surface: oiled or black painted to prevent rust 5)marking: as per customer's requirement Inner packing: Caps on two ends of every pipe Outer packing: Hexagonal shape bundles wrapped with strong steel trip or according to customers'requests.
