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Non-magnetic drill collar

Category:


The non-magnetic drill collar adopts self-developed low-carbon stainless steel, implements API specification and SY/T5144 standard, can carry out cold rolling treatment on threads, and can process double shoulder threads and other special threads.

Product Introduction

The non-magnetic drill collar adopts self-developed low-carbon stainless steel, implements API specification and SY/T5144 standard, can carry out cold rolling treatment on threads, and can process double shoulder threads and other special threads.

 

 

Dimensions of non-magnetic collar

 

 

Main Tolerance Dimensions of Non-Magnetic Drill Collars

 

 

Mechanical properties of non-magnetic drill collars

 

 

non-magnetic drill collar

magnetic properties

(Magnetic field = 1x105/4biA/m)

1. Relative permeability μr<1.010

2. Magnetic field gradient: △B≤ 0.05μT

Production strength

Diameter forging machine
AOD Argon Oxygen Furnace
CNC pipe thread lathe
External lathe
Deep hole lathe
Electroslag remelting furnace

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