BQ NQ HQ PQ Wireline Drill Rod 3m Length DCDMA Standard Drill Pipe For Geolocial Exploration Core Drilling
Raw materials:
We only choose the best steel tubes in the market to manufacture our rods and pipes. Spot check will be conducted after the steel tubes delivered to company. We will make sure the compositions and specifications match the inspection report form the suppliers.
Heat treatment control:
Heat treatment will greatly improve the material strength and increase the thread wear life of the rods and casings. We conduct either tru-wall or both ends heat treatment to the tube body. After heat treatment, strength, hardness, straightness and concentricity of the treated tubes will be tested in our lab.
Thread opening process:
Accuracy of threads will determine the use effects and life time of drill rod and casings.
CNC latches and form cutter are used in thread opening processing to minimize error made by anthropic factors.
Additional thread treatment:
Surface of the threads will be cleaned to remove burr adhered after threads are opened.
Afterwards, the tread surface will be phosphated to improve surface conditions.
Technical Specifications
| |
| | Core Bit&Reaming Shell Size | | | | | |
| Bit OD(mm)
ID(mm) | | OD mm | ID mm | (M) |
| BTW | φ59.56/42.1 | φ60.3 | φ57.3 | φ48 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 1000 |
| NTW | φ75.31/56.1 | φ75.8 | φ73.3 | φ64 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 1100 |
| HTW | φ95.57 | φ96.1 | φ91.3 | φ81 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 1200 |
| AQ | φ47.6/27 | φ48 | φ44.5 | φ34.9 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 1000 |
| BQ | φ59.5/36.4 | φ60 | φ55.6 | φ46 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 1200 |
| NQ | φ75.31/47.6 | φ75.8 | φ69.9 | φ60.1 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 1500 |
| HQ | φ95.6/63.5 | φ96 | φ88.9 | φ77.8 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 1800 |
| PQ | φ122/85 | φ122.6 | φ114.3 | φ103.2 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 2200 |
| S75 | φ75/49 | φ75.5 | φ71 | φ61 | International standard | 30CrMnSiA Tempering | Steel number .45MnMoB | 1200 |
| S75A | φ76/49 | φ76.5 | φ71 | φ60 | International standard | 30CrMnSiA Tempering | Steel number.45MnMoB | 2000 |
| S95 | φ95/64 | φ95.5 | φ89 | φ79 | International standard | 30CrMnSiA Tempering | Steel number.45MnMoB | 1000 |
| S95A | φ95.6/63.5 | φ96 | φ89 | φ78 | International standard | 30CrMnSiA Tempering | Steel number.45MnMoB | 2000 |
| XZS57 | φ57/35 | φ57.5 | φ55 | φ44 | International standard | 30CrMnSiA Tempering | Steel number.45MnMoB | 2200 |
| XZS75 | φ76/46 | φ76.5 | φ71 | φ58 | International standard | 30CrMnSiA Tempering | Steel number.45MnMoB | 2800 |
| XZS75B | φ76/46 | φ76.5 | φ71 | φ58 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 3000 |
| XZS95 | φ95.6/63.5 | φ96 | φ91 | φ79 | International standard | 30CrMnSiA
Tempering | Steel number.45MnMoB | 2300 |
| XZS95B | φ95.6/63.5 | φ96 | φ91 | φ79 | International standard | Overall drill pipe conditioning | 30CrMnSiA/XJY850 | 3200 |
| XZS110 | φ114/80 | φ114.5 | φ110 | φ98 | International standard | 30CrMnSiA
Tempering | Steel number.45MnMoB | 1600 |
| XZS130 | φ133/100 | φ133.5 | φ129 | φ117 | International standard | 30CrMnSiA
Tempering | Steel number.45MnMoB | 1700 |
| XZS150 | φ150/105 | φ150.5 | φ140 | φ126 | International standard | 30CrMnSiA
Tempering | Steel number.45MnMoB | 2350 |
Any enquiry please contact us by email: christal@oilmancn.com.
Visit our website: www.oilmanchina.com for more products information.
WhatsApp/WeChat:+86 13475294399
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