Light Alloayed Drill Pipes with diameter 54 mm are made of aluminium alloy and fused among themselves by the steel nipples having cylindrical thread with stabilizing shoulders which enlarge the limit of endurance of the pipe’s thread.
Light Alloyed Drill Pipes with diameter 54 mm are used for a high-speed drill system in the drilling of wells with drill crowns with diameter 59 mm.
Light Alloyed Drill Pipes with diameter 54 mm are made of aluminium alloy and fused among themselves by the steel nipples having cylindrical thread with stabilizing shoulders which enlarge the limit of endurance of the pipe’s thread.
Technical characteristics of pipes
| Name | Pipe | Connector | Thread | Length L, mm | Weight, kg | Torque, Nm (±5%) | |||
|---|---|---|---|---|---|---|---|---|---|
| External diameter D, mm | Wall thickness t, mm | Diameter of the nipple D1, mm | Internal diameter d, mm | OD of tong recess S, mm | |||||
| LBTN-54 | 54 | 9 | 54 | 23 | 36 | 41.5 х 6.35 | 4.7 | 20 | 1600 |
Note:
- According to the customer’s agreement we can produce pipes with length from 0.8 up to 4.7 m.
Mechanical properties of pipes (at least)
| Parameters | Pipe | Connector |
|---|---|---|
| Tensile strength, MPa | 392 | 882 |
| Yield strength, MPa | 255 (26) | 686 |
| Elongation, % | 12 | 15 |
| Hardness HRC | – | 26 |
Note:
- Mechanical properties of connectors indicated after the volumetric heat treatment.
- Surface hardness after heat treatment – not less 55 HRC.