The key features of a high quality DTH tube are durability, accuracy and manageability.
1.Pipe body : cold draw seamless pipe , the pipe have the accurate size , good centralizer.
2.Pipe body's material is the same grade as Sandvik and Atlas
3.Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload .
4.Friction welding .
2.Pipe body's material is the same grade as Sandvik and Atlas
3.Thread connector :Heat and Nitrogen treatment , so the pipe is more durable and easier to load and unload .
4.Friction welding .