Place of Origin : Beijing,China
1.STANDARD : API5L,A53,A134
2. MATERIAL: GR.B,X42,X56,P11,ST35,ST52,S235JR,STP430
3. SIZE: OD: 8"-80" WT: Sch5-Sch40 (4mm-40mm) Length: 6m-14m
4. APPLICATION: Oil,Chemical,Electric Power,Construction,Transportation Pipeline and Other field