Origin	China
Model Number	DONGBAO
Brand Name	DB
Grade	N80
Length	R1 R2 R3
Outer Diameter	60.32-114.30mm
Specification	2-3/8 inch to 4-1/2 inch
Technique	Seamless
Thickness	4.24-16.00mm
Usage	oil

API Oil  Tubing

1. Size: 2-3/8 inch to 4-1/2 inch;

2. End Type: NU & EU;                                           

3. Steel Grade: J55, K55, N80, L80;                                                             

4. Specification: API Spec5CT;               

5. Feature: Nanoscale Titanlum-containing Compound Coated, high corrosion resistance and long running life. 

6.Protection of Thread: Thread protector

7.Based on the principle of equality and mutual benefit, we provide the products with high quality at competitive price

 

Tubing Standard API Spec 5CT
OD		Wall Thickness		Mass		ID	Ends	Grade
inch	mm	inch	mm	kg/m	lb/ft	mm		J55, K55, N80, L80, P110,
2-3/8	60.3	0.190	4.83	6.61	4.44	50.66	NU, EU
2-7/8	73.0	0.217	5.51	9.18	6.17	62.00	NU, EU
3-1/2	88.9	0.254	5.54	13.11	8.81	76.10	NU, EU
4	101.6	0.262	6.65	15.57	10.47	88.30	NU, EU
4-1/2	114.3	0.271	6.88	18.23	12.25	100.50	NU, EU