Heat-Treated Alloy Wireline Drill Rod with Enhanced Hardness Pin Thread and Thru-Wall Heat-Treated for Geological Core Drilling
Wireline Drill Rod & Casing
Owing to years of close collaboration with experts from Geological academies and institutions, Roschen has gained profound repay in product quality improvement.
The most remarkable achievement is the significant improvement of mechanical property and performance of wireline drill rod through repeated heat treatment experiment that consequently enhanced the hardness of pin thread and rod wall ultimate performance and durability.
| PRODUCT SPECIFICATIONS | ||||||
| Standard | OD | ID | Wall Thickness (mm) | TPI | Pin Thread Length(mm) | Weight |
| (mm) | (mm) | (kg/m) | ||||
| BQ,BRQ | 55.7 | 46.1 | 4.8 | 3 | 44.45 | 6.03 |
| NQ,NRQ | 70.5 | 60.3 | 5.1 | 3 | 44.45 | 8.08 |
| HQ,HRQ | 89 | 77.8 | 5.6 | 3 | 44.45 | 11.52 |
| PQ,PRQ | 114.3 | 101.9 | 6.2 | 2.5 | 63.5 | 16.53 |
| SQ | 139.7 | 125.5 | 7.1 | 2.5 | 62.8 | 23.22 |
Roschen Drill Rod Feature
+ Premium quality alloy material used and large share of them are thru-wall heat-treated or quenched & tapered
+ Stringently controlled consistency on concentricity and straightness
+ Thru-wall heat-treated tube improves its body strength.
+ Box and Case thread hardening process with heat treatment of highly matured techniques
+ Optimum performance with prolonged life span and reliability
Best regards,
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009
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ROSCHEN@ INC.
ROSCHEN@ GROUP LIMITED
ROBERT ROSCHEN@ LIMITED
ROSCHEN@ HOLDINGS LIMITED
HEFEI ROSCHEN@ TOOL CO., LTD.
ROSCHEN@ GEOLOGICAL TOOL CO.,LTD.
SHANGHAI ROSCHEN@ INTERNATIONAL CO., LTD.
ROSCHEN@ GEOLOGICAL INSTRUMENTS CO., LTD.
EMAIL: roschen@roschen.com ; roschen@roschen.net
Website: http://www.roschen.com
http://www.roschen.net
http://www.roschen.cn
http://www.roschendrill.com
http://www.roschenmining.com
http://www.roschendrilling.com
http://www.explorationcoredrilling.com
https://www.drillpipefactory.com
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