Drill pipe

Drill pipe is made from alloy steel, acc. To API Spec.5D and RP 7G Latest Edition to meeting  customer’s specified requirements. All threads are phosphated, copperaized or cold worked. All connections are equipped with pressed steel thread protectors. All threads are machined with CNC Lathes-Double- shouldered and special threads.

Our advanced inspection system can precisely detect the defects and check the dimensional tolerance to ensure API required 87.5 minimum percent wall thickness, and even provide 95 percent minimum wall thickness in every pipe.