285
20
110,000
100,000
285
18
120,000
110,000
Brinell Hardness
Elongation, Minimum, With Gauge Length Four Times Diameter percent
Drill Collar OD Range,inchees
|
Minimum Yield Strength psi
|
Minimum Tensile Strength psi Mechanical Properties and Tests Standard
Non-magnetic Drill Collar & Non-magnetic Stabilizer
Non-magnetic Drill Collar Non-magnetic Flex Drill Collar Non-magnetic Stabilizer To be strictly controlled under API Spec - 7 latest version Have reached both superior Resistance to Stress Corrosion Cracking, higher mechanical property and excellent magnetic permeability. Relative Magnetic Permeability: |
try magnetic drills to get through more products
API Spec-7 standards |
We supplyslick drill collars,spiral drill collarsandnon-magnetic drill collars; their sizes are from 3-1/8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers\' request. Materials: Trepanning and Heat Treatment: ...
There are different kinds of drill collars,including round drill collar,spiral drill collar,non-magnetic drill collar,square drill collar and so on.Ordinary drill collar is the circular cross section, the center has a water hole,the wall thickness is larger,the nozzle is ...
We supply slick drill collars, spiral drill collars and non-magnetic drill collars; their sizes are from 3-1/8 to 11 inches. Besides the drill collars in the table below, we can supply other drill collars at customers\' request. Materials: Drill collars are manufactured from ...