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Material and Model choice of drill pipes

Views:0     Author:Site Editor     Publish Time: 2017-08-09      Origin:Site

Drill pipe material :42MnMoB, with excellent comprehensive mechanical properties, both ends quenched and tempered , the yield strength from 590MPa to 950MPa, suitable for drilling within 2500 meters. If drilling depth is more than 2500 meters, choose overall adjustment processed rod,adaptor of 30CrMnSiA material, after quenching and tempering treatment getting the best comprehensive mechanical properties. Connection with asymmetrical threaded, easy to buckle, and effectively prevent tripping. All threads need to be processed in CNC lathe to ensure precision, interchangeability. According to the drilling diameter, drill pipes can be divided into A, B, N, H, P, S series, corresponding to 48mm, 60mm, 75mm, 95mm, 122mm, 150mm. Of  Which N, H two series are the most widely used. So, in the selection ,choose N, H two series as much as possible.


Wuxi Geological Drilling Equipment CO., LTD

Add: No122 Xizhang Road,Gushan Town,Jiangyin City,Jiangsu Province

Contact:Xiaoying Qin

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