- Sichuan LiDa Petroleum Machinery Engineering Co.,Ltd.
-
Lishui, Zhejiang, China
- Main products: petroleum equipemnt, drilling equipment, petroleum engineering
Home > Products > New product > Drill Collars
Drill Collars
Negotiable
/ Ton
1 Ton(Min. Order)
- T/T L/C D/P D/A
- 7 days
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Product Details
| Place of Origin | China | |
| Model Number | Drill Collars |
Product Description
The collars are made of AISI 4145H forging or finish rolling alloy structural steel and conform to API Spec 7. Grinding crafts adopted finish boring technology eliminates regions of the weld stress concentration, making welding appearance more perfect, and increases their life. The full length thermal treatment ensures the mechanical performances and fulfills even exceed API Spec 7 requirements. Its brinell hardness ranges from 285 to 341, moreover, charpy “v” notch minimum impact strength of 40 ft-lb at 15-25 ℃ are guaranteed one inch below the surface.
Contact Us
- Sichuan LiDa Petroleum Machinery Engineering Co.,Ltd.
- Contact nameMs cindy wang Chat Now
- Phone86-028-83939368
- AddressNo.320, Puhe Road, East Section of Xindu Industrial Zone, Chengdu, China, Lishui, Zhejiang
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