API J55, API K55, APIP110
With the high quality,low price,We would like to develop market with distributors around the world.

Casing Pipe
OCTG Pipe
casing and tubing
Serves as walls of a well.
Steel Grades: K55, J55, L80-1 ,N80,C90,C95, P110, T95

Tubing steel pipe

Oil Casing Pipe/Steel Pipe

Including ordinary casing, Anti-collapse casing, Anti-corrosion casing, Hi-strength casing

Serves as walls of a well;

Standard: API 5CT

Steel Grades: k55, J55, L80,N80,C90,C95, P110 T95, M65,E75,X95,G105,S135

1) Tubing

      OD:     2 3/8" -----4 1/2"

      WT:     0.167" -----0.630"

       Note:  P : Plain end, N: Non upset, U: External upset, T&C: Threaded and coupled.

2) Casing

      OD:     2 3/8“ ----20"

      WT:     0.205"  ---  0.5"

      Note:  P: Plain end, S: Short round thread, L: Long round thread

     Length

                                  R1                                R2                               R3

     Tubing            6.10 -7.32 m                 8.53-9.75m                11.58-12.80m

     Casing           4.88 - 7.62m                  6.72 -10.36m             10.36 - 14.63m

3) Drill Pipe

    OD:  2 3/8" -  5 1/2"

    WT:  0.280" - 0.449"

    Note: EU: External upset ,  IEU: Internal & External upset

              Thread of tool joint are right-hand or left hand

              Thread are coper- plated or phoshphated