Carbon Steel HC HQ Drilling Core Barrel Drill Tubes 5.6 mm Thickness
Application:
Our company’s Wire line drill rods are manufactured from the best quality heat-treated seamless steel tubes (30CrMnSiA or XJY850). Ultimate tensile strength, yield strength, high precision and good straightness provide the best performance under different drilling conditions.
1. Geologic drill rod supply
2. good quality and low price
3. have been exported for years
4. sample and drawing are provided
Specification:
Q series Rod parameter-geological steel pipe-entire length thermal treatment,
| Spec. | Unit | BC(BQ) | NC(NQ) | HC(HQ) | PC(PQ) |
| OD/ID | mm | 55.6/46 | 70.1/60.1 | 89/77.8 | 114.3/101.6 |
| Thickness | mm | 4.8 | 5 | 5.6 | 6.35 |
| Length | m | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 | 1.5 or 3 |
| Weight | kg/m | 6.01 | 8.8 | 11.51 | 17.3 |
| thread length | mm | 44.45 | 44.45 | 44.45 | 63.5 |
| thread pitch | thread/inch | 3 | 3 | 3 | 2.5 |
| box thread tooth height | mm | 0.76 | 0.76 | 0.76 | 1.17 |
| pin thread tooth height | mm | 0.88 | 0.88 | 0.88 | 1.27 |
| thread tooth angle | . | 29 | 29 | 29 | 29 |
| tensile resistance(A series) | kn | 400 | 530 | 510 | 565 |
| tensile resistance(B series) | kn | 450 | 615 | 625 | 660 |
| bore depth | m | 1200 | 1000 | 900 | 800 |
