Negotiable
The date of payment from buyers deliver within days
Beijing
Long-term effective
2020-10-07 13:04
307
Company Profile
Shanxi Huanjie Petroleum Drilling Tools Co., Ltd.By certification [File Integrity]
Contact:huanjie(Mr.)
Email:
Telephone:
Phone:
Area:Beijing
Address:Beijing
Website:http://www.petrodrillingequipment.com/ http://huanjie.wedding02.com/
Trepanning and Heat Treatment: Drill collars are trepanned and drifted to API Spec 7-1. Full-length heat-treatment processes ensure that mechanical properties meet or exceed API Spec 7-1 requirements. A hardness range of 285-341, Brinell hardness and Charpy "V" notch minimum impact strength of 40 ft-lb at 70 F are guaranteed one inch below the surface.
Traceability: Drill collar material and process traceability are maintained from receipt of the mill's certified raw material to completion of manufacturing. Serial numbers are die stamped on bar bodies.
Rigid Inspection Procedures: We inspect all our drill collars to ensure compliance with API SPEC 7-1 standards. These inspections include visual dimensional checks as well as ultrasonic inspections over the entire body of the drill collar.
http://www.petrodrillingequipment.com/
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