• Integral Spiral Blade Stabilizer
• Integral Straight Blade Stabilizer
• Integral Sleeve Spiral Stabilizer
• Spherical Stabilizer
• Roller Reamer
• Non-magnetic Drilling Material
• Drill-stem Sub
• Forging Stabilizer
• Forging Roller Reamer Body
• Forging Crossover
• BOP Forgings
• Forging tool joints of drill pipe
• Cutter/Pin/Block parts of roller reamer
• Lifting Cup
• Polycrystalline diamond compact (PDC) cutter
Non-magnetic Drilling Material Applied For:

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: 1.010, according to ASTM A343-64 No.4
• Field Gradient Measurement: ܡ0.05 Micro Tesla/100mm
• Resistance to stress corrosion meets ASTM 262 Practice E


 

Mechanical Properties and Tests Standard

Drill Collar OD Range,inchees
Minimum Yield Strength psi

Minimum Tensile Strength psi

Elongation, Minimum, With Gauge Length Four Times Diameter percent

Brinell Hardness

3 1/2 through 6 7/8

110,000

120,000

18

285

7 through 11

100,000

110,000

20

285

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