Integral Heavy weight drill pipe

20110914015652
577a68c9d8d111790c0e144b24afc5de-1
48ff90cd0df2d3599a46e80b2f8546db
453cc91a6f56789331b79f605e841b31
174dbe3f179b8203c85ddc7b5eac28ea
577a68c9d8d111790c0e144b24afc5de
174dbe3f179b8203c85ddc7b5eac28ea
577a68c9d8d111790c0e144b24afc5de

Integral Heavy weight drill pipe


Description:
1. Material: AISI 4145H Alloy steel 2. Standard: API Spec .7 and SY/T5144. 3. All threads are phosphated, copperized or cold worked. All Connections are equipped with pressed steel thread protectors. All threads are machined with CNC Lathes-Doule-shouldered and special threads.

 
Integral Heavy weight drill pipe is made from AISI 4145H Alloy steel. acc. to API Spec .7 and SY/T5144. It is formed by hot forged and fully heat-treated. There is wear resistance hard banding on tool joints connections and central upset .
The Types of hard banding include Arnco 100XT and 300XT. All threads are phosphated, copperized or cold worked. All Connection are equipped with pressed steel thread protectors. All threads are machined with CNC Lathes-Doule-shouldered and special threads.









Best regards,    
 
 
Phiger Leo
Direct Line: 0086-137-6419 5009
WeChat/WhatsApp:: +86-137-6419 5009 
================================================================
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.roschendrill.com
http://www.roschenmining.com
http://www.roschendrilling.com  
http://www.explorationcoredrilling.com   
http://www.roschen.net 
http://www.roschen.cn
http://www.roschen.com 
================================================================