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      Tubing  
 
     API tubing and casing：

      Product Standard：   API SPEC 5CT、   API SPEC 5B

      QC system ：  ISO9001、API Q1

 

                           

 

                API tubing specifications: 

 

Specification

Model 

Standard 

O.D. mm

(in)

Thick

mm

H40

J55

L80

N801 、 N80Q

C90

P110

API SPEC 5CT

ISO11960

42.16

（ 1.660 ）

3.18

 

 

 

 

 

 

3.56

N/U

N/U

N/U

N/U

N/U

 

4.85

U

U

U

U

U

U

48.26

（ 1.900 ）

3.18

 

 

 

 

 

 

3.68

N/U

N/U

N/U

N/U

N/U

 

5.08

U

U

U

U

U

U

6.35

 

 

 

 

 

 

7.62

 

 

 

 

 

 

60.32

（ 2-3/8 ）

4.24

U

N

N

N

N

 

4.83

N/U

N/U

N/U

N/U

N/U

N/U

6.45

 

 

N/U

N/U

N/U

N/U

7.49

 

 

 

 

 

 

8.53

 

 

U

 

U

U

73.02

（ 2-7/8 ）

5.51

N/U

N/U

N/U

N/U

N/U

N/U

7.01

 

 

N/U

N/U

N/U

N/U

7.82

 

 

N/U

N/U

N/U

N/U

8.64

 

 

U

 

U

 

9.96

 

 

 

 

 

 

11.18

 

 

 

 

 

 

88.90

（ 3-1/2 ）

5.49

U

N

N

N

N

 

6.45

N/U

N/U

N/U

N/U

N/U

N/U

7.34

N

N

N

N

N

 

9.52

 

 

N/U

N/U

N/U

N/U

10.92

 

 

 

 

 

 

12.09

 

 

 

 

 

 

13.46

 

 

 

 

 

 

101.60

 

（ 4 ）

5.74

N

N

N

N

N

N

6.65

U

U

U

U

U

U

8.38

 

 

 

 

 

 

10.54

 

 

 

 

 

 

12.70

 

 

 

 

 

 

15.49

 

 

 

 

 

 

114.30

（ 4-1/2 ）

6.88

N/U

N/U

N/U

N/U

N/U

N/U

8.56

 

 

 

 

 

 

9.65

 

 

 

 

 

 

10.92

 

 

 

 

 

 

12.70

 

 

 

 

 

 

14.22

 

 

 

 

 

 

16.00

 

 

 

 

 

 

Note： N ——Not including thread and box； U ——Including thread and box.
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