Seamless Steel Pipes for Drilling

Short Description:

API 5DP Drill pipe is composed of pipe body and tool joint by welded together. It is used to connect drilling rig surface equipment and bottom equipment or bottom hole equipment. Furthermore, drilling pipe can bear heavy pressure from internal and external, twist, bend and vibration which can be used more than one time during oil or gas production. 1) Standard: API SPEC 5CT for casing and tubing API 5DP/API SPEC 7-1 HWDP for drill pipe API 5L for pipeline pipe API 11B for steel sucker rods A...


  • Wall Thickness: 4.5-20mm
  • Diameter: 20-168mm
  • Annual Production: At least 120,000 Tons
  • Product Detail

    Product Tags

    API 5DP Drill pipe is composed of pipe body and tool joint by welded together. It is used to connect drilling rig surface equipment and bottom equipment or bottom hole equipment. Furthermore, drilling pipe can bear heavy pressure from internal and external, twist, bend and vibration which can be used more than one time during oil or gas production.

    1) Standard:
    API SPEC 5CT for casing and tubing
    API 5DP/API SPEC 7-1 HWDP for drill pipe
    API 5L for pipeline pipe
    API 11B for steel sucker rods
    API 5B for thread processing, measurement and test of casing and tubing and line pipe.

    2) Wall Thickness: 4.5mm~20mm 
    3) Outer Diameter: from 89mm~168mm 2 3/8″– 6 5/8″
    4) Grade:10#, 20#, 45#, Q345, ST35.8, ST37, ST42, ST45, ST52, API 5L /GR.B-X60, API 5CT /J55 K55 N80, A53, A106, A192, A179, A210, and etc.
    5) Process Method:hot rolling.
    6) Surface Coating:varnish painted on pipe(black painting),anti-corrosion oil,galvanized,or painting as customer’s request.

    QQ截图20180514151037


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