Friction Welded DTH Drill Pipe
Friction welded DTH drill pipes are made with high quality carbon steel material. They are suitable for coal mining with lengths including 1000mm, 1500mm, 2000mm, 30000mm, and 6000mm and diameters of 76mm, 89mm, 102mm, and 114mm.
Technical Specifications
Overview
High-Performance DTH Drill Pipe
These friction-welded DTH (Down-The-Hole) drill pipes are engineered for demanding rock drilling and piling applications in mining and construction industries. Manufactured using high-quality carbon steel, each rod undergoes rigorous testing including spectrograph analysis, impact, and tension tests to ensure structural integrity. Advanced features such as anti-adhesion threads with nitrogen treatment and integral heat treatment provide superior durability, minimal energy loss, and extended service life in high-pressure environments.
Technical Specifications
Outer Diameters
- 76mm
- 89mm
- 102mm
- 114mm
Available Lengths
- 1000mm
- 1500mm
- 2000mm
- 3000mm
- 6000mm
Thread Connections
| Connection Type |
|---|
| 2 3/8” API Reg |
| 2 7/8” API Reg |
| 3 1/2” API Reg |
| 4 1/2” API Reg |
| 2 3/8” API IF |
| 3 1/2” API IF |
- Material
- Carbon Steel
- Processing Type
- ForgingFriction WeldingIntegral Heat Treatment
Quality & Standards
Certifications
Quality Control Tests
- Spectrograph Analysis
- Impact Test
- Tension Test
- Metallography Detection
- Hardness Test
- Magnaflux Inspection
- Ultrasonic Flaw Detection
Logistics
- Place of Origin
- Shandong, China
- Primary Use
- Coal Mining and Construction
