1. Executive standards: SY/T6194-96, API 5L/5CT

2. Specification range: OD: 2-3/8“-4”and 4-1/2”--20”

WT: according to PPF which customer requires.

3. Materials: J55, K55, N80, L80 and C95

4. Testing: NDT etc related rules of API and ISO

5. Packing: Bundles, seaworthy packing.

6. Application:

Oil and casing pipe are widely used for drilling of oil spring, oil transfer.