P550/TWZ-3 Material Non Magnet Drill Collars/Oil tools, Well down tools, Downhole tools API7-1

• Customization: Available
• After-sales Service: 7/24 Hours After-Sales Services
• Warranty: 18 month
• Model NO.: WCDC
• Manufacturing Process: CNC Milling
• Surface Treatment: Spray-Paint
• Operation Pressure: Atmospheric Pressure
• Material: Alloy
• Grade: P530/550
• Standard: API7-1/NS-1
• Y.S.: 1150
• T.S.: 1100
• EL.: 28-30
• PROA: 72
• HBW: 355
• R.Mc.: 1.002
• Full Length (m): 9.45-9.65
• Straightness: 1-4mm
• Stand Off: Good
• Transport Package: Iron Rack
• Specification: 3 1/2"~11"
• Trademark: TIANHE
• Origin: China
• HS Code: 8341341000
• Production Capacity: 5000

Product Description

Products Details:

Non-magnetic drill collar is a low-carbon high-chromium manganese alloy steel drill collar. It is made through strict chemical composition ratio and refinement. It has excellent low magnetic permeability and high mechanical strength. The non-magnetic drill collar is made of a low-carbon high-chromium manganese alloy steel. It achieves its mechanical properties through strict chemical composition ratio, refinement, and forging. It has excellent low magnetic permeability, high mechanical strength, excellent intergranular corrosion resistance cracking performance, and excellent wear resistance. When the magnetic field strength is 1×105/4π A/m, the relative magnetic permeability μr of the non-magnetic drill collar is ≤1.010. The magnetic intensity gradient along the inner hole of the non-magnetic drill collar at any distance of 100mm is ≤0.05 μT.

Specification: 
 

Connection	OD	ID	Overall Length
NC23-31	3 1/8"	1 1/4"	31ft
NC31-41	4 1/8"	1 1/2"	31ft
NC44-60	6 1/4"	2 13/16"	31ft
NC42-62	6 3/4"	2 1/4"	31ft
NC50-72	8"	2 13/16"	31ft
6 5/8REG	8 1/4"	2 13/16"	31ft
7 5/8REG	9 1/2"	3"	31ft

Factory:




Certificates:
After-Services: 

7/24 hours