P690 Non-Mag Drill Collar Factory Supplier

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Standard: API Spec 7-1 or SY/T5144 Material: P530, P550, P580, P650, P690, P750, P750I Size: 3 1/8" up to 11" Magnetic Permeability (ASTM A 342): Max 1.005 Magnetic Field Variation: 40 gammas Max Application: For the inspection in the process of petroleum drilling Email: [email protected] Whatsapp: +8617701029715 Website: https://www.sdjbcmetal.com/drill-pipe-casing-tube/ Overview of P530 Non-Magnetic Drill Collars Non-magnetic drill collars have unusual design requirements, and as a result, pose unique problems of corrosion resistance. Drill collars are the bottom components in a drill string, where their weight generates the force on the drill bit allowing it to drill and their stiffness allows the force to be transmitted without buckling. Conventional drill collars are made of alloy steel, like the rest of the drill string, and their corrosion usually poses no problems except for their threaded connections. A typical drill collar is 30 feet long and 4 to 9 inches in diameter. Grades of Non-Mag Drill Collar We Supply P530 Non-Mag Drill Collar P530 HS Non-Mag Drill Collar P540 Non-Mag Drill Collar P550 Non-Mag Drill Collar P580 Non-Mag Drill Collar P650 Non-Mag Drill Collar P650 HS Non-Mag Drill Collar P690 Non-Mag Drill Collar P750 Non-Mag Drill Collar P750 HS Non-Mag Drill Collar

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