Od440mm Drilling Kelly Bar For Rotary Rig Hole Piling Rig
| Elements | 3/4/5/6 |
| Material | Q345B /Q460D / 27SiMn/35CrMo With Special Heat Treatment |
| Spring | 60Si2Mn |
| Lock Type | Interlocking / Frictional |
| No. |
Diammeter of The First Section
|
Sections | Key Pressure Type | Length of per section(m) | Drill depth | Torque(KN.M) | ||
| 1 | ¢299 | 3 | Interlocking | 9-12 | 24-45 | 100 -120 | ||
| 2 | ¢342 | 3 | 4 | Interlocking | 9 - 12 | 24-45 | 100 -120 | |
| 3 | ¢355 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 100-120 | |
| 4 | ¢368 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 150-180 | |
| 5 | ¢377 | 3 | 4 | Interlocking | 9 - 14 | 24 - 56 | 150-180 | |
| 6 | ¢394 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 180-200 | |
| 7 | ¢406 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 180-200 | |
| 8 | ¢419 | 3 | 4 | Interlocking | 9 - 15 | 24 - 58 | 200-230 | |
| 9 | ¢440(445) | 3 | 4 | Interlocking | 9 - 15 | 24 – 58 | 220-260 | |
| 10 |
¢470 (482) |
3 | 4 | Interlocking | 9 - 16 | 24 – 60 | 220-260 | |
| 11 | ¢508 | 3 | 4 | Interlocking | 9 – 18 | 24 – 68 | 260-360 | |
| 12 |
¢530 (540) |
3 | 4 | 5 | Interlocking | 9 – 20 | 32 – 92 | 320-400 |
| 13 | ¢580(575) | 3 | 4 | 5 | Interlocking | 9 – 20 | 32 – 92 | 360-420 |
| 14 | ¢630 | 3 | 4 | 5 | Interlocking | 9 - 22 | 32 - 102 | 400-500 |
Specification
The drill pipes produced by our company have been sold to many countries all over the world, such as: Singapore, Malaysia, the Philippines, Egypt, India, Russia, Vietnam, Thailand, Nigeria, the United States, etc., and have been approved by the users of rotary excavation in many countries. In addition, our company can also customize non-standard drill pipes according to the needs of customers. Welcome new and old customers to visit our company to discuss cooperation!
Welcome Contact Us
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Cathy Lee
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.