API 5CT Oilfield Drill Pipe/oil Pipe
Integral heavy weight Drill Pipe
The drill collars are made of modified AISI 4145H chromium molybdenum alloy steel. These drill collar bars are full-length heat treated and water quenched to obtain ASTM A-370 mechanical properties. Full mechanical and chemical mill test certifications are supplied with all drill collars. These mill test certifications guarantee a hardness range of 285 to 341 BHN and an impact value of 40 ft.-lbs. at room temperature one inch below the surface.
Usage : One of the most important components of the drill string is to provide drilling bit ofpressure and the drill string rigid role.
API 5CT oilfield Drill Pipe/oil pipe
1.Non-Standards
2.OD:79.4mm-279.4mm
3.Certifactes: ISO ,API
4.Thread type:BC,LC,SC
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