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Casing and Tubing, collectively known as Oil Country Tubular Goods (OCTG), are essential steel pipes used in oil and gas drilling and production operations. Casing is installed in the wellbore to stabilize the hole and protect groundwater, while tubing is used to transport oil and gas from the reservoir to the surface safely and efficiently.
| Product name | Casing and Tubing | Standard | API 5CT | Grade | J55 K55 L80 N80 C90 C95 P110 |
| Specification | 4 1/2" – 20" | Surface Treatment | black paint | Processing | hot rolled |
| Brand Name | Yangtze Steel | Certificate | CE,ISO | Application | Pipes for Oil and Gas Industry Services: Gas, Water, and Oil Transmission. |
| Delivery Time | within one week | MOQ | 5 tons | Packaging | bundled,waterproof film |
| Place of Origin | shandong | Payment | TT, LC | Update time | 2026-1-9 8:54:12 |
Casing and tubing play a vital role in oil and gas well integrity and production safety. Our OCTG products offer stable quality, full API compliance, and reliable performance in demanding field applications.
API 5CT PSL-1 / PSL-2 available
Steel Grades J55 / K55 N80 (N80-1, N80-Q) L80 C90 / T95 P110
Surface & Protection
Black / Phosphated finish
Zinc or copper plated threads
Anti-corrosion coatings available
Thread protectors on both ends
