Sanjack: Your Premier Choice Of High strength drilling pipe

Sanjack can manufacture high strength drilling pipe with excellent quality.
High strength means high yield strength in physical performance. The basic structure and production process of high-strength drill pipes are almost the same as that of conventional drill pipe, while the main difference lies in the selection of materials.

Sanjack: Your Best China High strength drilling pipe Manufacturer and Supplier

The company has passed ISO 9001, NOV and other quality certification systems.

Sanjack: Your Best Place To choose High strength drilling pipe In China

We have rich experience in production and a strong ability in research and development. Our products include various series of high strength and ultra-high strength drilling pipe based on client requests.

Sanjack: The Advantages With Us You Should Know

Sanjack drilling pipe production mainly follows these steps:
Raw material test → raw pipe end heating → pipe end upset →
pipe body straightening →pipe bodγ and end inspection → upset pipe finished
Then for welding heat treatment it follows:
Austenite→quenching→temper→quenching→temper→
Non-destructive inspection→pipe and tool joint friction welding → annealing→welds processing→weld zone inspection→finished drill pipe