| After-sales Service: | According to The Contract |
|---|---|
| Warranty: | According to The Contract |
| Manufacturing Process: | Seamless |
Suppliers with verified business licenses
Audited by an independent third-party inspection agency

Product Name | API 5CT J55/K55 Seamless Oil Casing and Tubing |
Standard | API 5CT |
Material Grade | J55, K55 |
Tubing Out Diameter | 2 3/8" - 4 1/2" (60.3mm - 114.3mm) |
Casing Out Diameter | 4 1/2" - 20" (114.3mm - 508mm) |
Wall Thickness | 0.205" - 0.635" |
Length | R1 (4.88m-7.62m) R2 (7.62m-10.36m) R3 (10.36m or longer) |
Connection Type | NU/EU/IJ/STC/BTC/LTC/PREMIUM CONNECTION |
Heat Treatment | Normalized |
Surface Treatment | Corrosion proofing water-based paint |
Packing | Protection Caps on both ends, bundled with steel strips |












