The brief description of BQ NQ HQ PQ Wireline Drill pipe.
BQ NQ HQ PQ Wireline Drill pipe is the most common drilling pipe in the market and this kind of drilling pipe is mainly used for a core drilling rig to get the simple out of the earth. BQ NQ HQ PQ Wireline Drill pipe can be used to drill a water well borehole also, but these drilling pipes are for drilling a core simple and it is slow to drill a water well borehole.
BQ NQ HQ PQ Wireline Drill pipe that is used for drilling a water well, drilling a borehole, etc. It is a steel pipe with a pin screw at one end and a box screw on the other. The job of the BQ NQ HQ PQ Wireline Drill pipe is to transmit rotational torque from the drill rig rotary head to down hole drilling bits.
The specifications of BQ NQ HQ PQ Wireline Drill pipe.
| Wireline Series | AQ, BQ, NQ, HQ, HWT, NT, HT, PT, BQZ, NQZ, HQZ |
| Metric Series | 33, 42, 50, 60, 75, 89, 114 |
| “W” Series | RW,EW,AW, BW, NW,HW |
| “WJ” Series | AWJ, BWJ, NWJ,KWJ, HWJ |
| “TW”Series | BTW, NTW, HTW |
| Others | LTK48, etc. |
| Steel Grade | CROWN 950 |
| Yield Strength (Mpa) | 970/975 |
| Tensile Strength (Mpa) | 1060/1080 |
| Elongation (%) | 16/17 |
| Hardness (HRC) | 31/32.5 |