1.Oil Casing Coupling
2.API 5CT   API  5B
3.Grades:J55, K55, N80, P110
4.OD: from 2-7/8" - 13-3/8

Our company provides the following oil casing and tubing with API standard.

SIZE       OD(mm)    Type of  Thread    Grades

2-7/8''      73.025                                 J55/K55/N80/P110

3-1/2''      88.900                                 J55/K55/N80/P110

4-1/2''      114.300        STC/LC            J55/K55/N80/P110

If you have interest on our products,pls send inquiry to me directly.

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