| Section Shape |
Round |
| Secondary Or Not |
Non-secondary |
| Application |
Oil Pipe |
| Technique |
Hot Rolled |
| Certification |
API |
| Surface Treatment |
Other |
| Special Pipe |
API Pipe |
| Alloy Or Not |
Is Alloy |
| Standard |
ASTM |
| Grade |
API J55-API P110 |
| Thickness |
0.1 - 1 inch |
| Outer Diameter |
4.5 - 30 inch |
| Place of Origin |
China (Mainland) |
We supply all seamless and ERW casing pipes according to API Spec 5CT latest edition. Our casing are produced by the leading OCTG manufacturers in China like TPCO, Hengyang Valin, Baotou Steel, Jiangsu etc. Grades: H40, J55, K55, N80, L80, HC N80, C90, T95, P110, HC P110. The outer diameter of casing is ranging from 4 1/2" to 20". 30” conductor with plain ends or fast connection is also available. Manufacturing methodCold Drawn or Hot-rolled Seamless, ERW, LSAWSize (OD)4 1/2", 5", 5 1/2", 6 5/8", 7", 7 5/8", 8 5/8", 9 5/8", 10 3/4", 13 3/8", 16", 18 5/8", 20", 30”GradeJ55, K55, N80, L80-1, L80-9Cr, L80-13Cr, C90, T95, P110, P110-13Cr, Q125API ConnectionsRound thread(8tpi, STC and LTC), Buttress thread (5tpi, BTC)Premium ConnectionsHSM, TP-CQ, RJS (compatible with VAM and HSC)Length rangeRange 1, 2, 3Technical modificationsSpecial clearance; For extra clearance applications Special bevel; 20°bevel Slotted (Screen casing)