Mainly suitable for the pipe body with end upsetted during in the process of drilling in the oil and gas exploration and development and production operations,and it is used for connection the drilling tool, and the rod for transfering the power .
Major Material or Grade
API SPEC 5DP
Ensures the strength, and meanwhile with good toughness and high torsion strength,which can undertake huge internal and external pressure, distortion, bending and vibration;
With good weldability;
With high dimensional accuracy and the straightness is up to 1mm/m.