API Standard Oil and Gas Well Casing Tube 5CT

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
20000 m.t./month

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Item specifice:

Standard: API Technique: Hot Rolled Shape: Round
Surface Treatment: Galvanized,Black Steel Grade: Q195 Certification: API
Thickness: 5.21 - 16.13 mm Length: 6M Net Weight: 9.5

Product Description:

Integral-joint tubing upsetting at one end, external threading, and external upsetting at the other end, internal threading. API integral-joint tubing is on the market in OD dimensions of 1.315 to a couple of.063 inch.


API integral-joint tubing provides 10-round form together with a joint strength which is less than the body minimum yield, this reduces its use.


The small OD of integral-joint tubing enables its use inside of larger tubing strings or inside of wells as unloading or vent strings.

The couplings will need to meet all the minimum specifications outlined in API Spec. 5CT. API Spec. 5B3 and API RP 5B14 cover threading, gauging, and thread inspection.

Specifications

Parameters
Value
Material
J55, K55, N80, N80Q, L80, P110, other grade available as your requirement
Outer Diameter
2-3/8"~4-1/2" (73.02~114.3mm)
Wall Thickness
4.83~16mm
Forms of Thread
EUE, NUE and Integral-joint
Length Range
R1(20~24ft), R2(28~32ft)
MTR
accordance with API Specification 5CT

Tolerances

Parameters
Value
Outside diameter
+-0.031 inch (0.79mm)
Wall thickness
-12.5%, positive deviations are limited by pipe weight
Weight Deviation
+6.5% /-3.5%

Mechanical Properties

Grade
Tensile Strength (PSI/MPa)
Yield Strenght (PSI/MPa)
H-40
No less than 60000(414)
Between 40000 (276) ~ 80000 (552)
J-55
No less than 75000 (517)
Between 55000 (379) ~ 80000 (552)
N-80
No less than 100000 (689)
Between 80000 (552) ~ 110000 (758)
P-110
No less than 125000 (862)
Between 110000 (758) ~ 140000 (965)

Inspection

Physical properties are checked and each length hydrostatically tested, normally to only 3,000 psi in the plain end (unthreaded) condition. The following are also checked:

  • Dimensions

  • Weights

  • Straightness

  • Lengths

Part of this inspection is to drift all lengths.
Despite all the American Petroleum Institute (API) specifications and testing, some tubing defects are still found after delivery; thus, some operators do further inspection.


Inspection Method

  • Size and surface inspection

  • NDT and pressure test and third party certication

  • Hydrostatic

  • Drifting test

  • Physical and chemicail analysis

  • Hardness and pressure test.

  • Electromagnetic

  • Magnetic particle

  • Ultrasonic

Dimensions and Weight

sizesOD

D

mm

weightwt

t

mm

Type of end
12NU kg/mEU kg/mIJ kg/m
NUEUIJ
H40J55L80N80 1/QC90T95P110
12345678910111213141516
2-3/82-3/8

2-3/8

2-3/8

2-3/8

4.004.60

5.80

6.60

7.35

-4.70

5.95

-

7.45

-

-

-

60.3260.32

60.32

60.32

60.32

5.956.85

8.63

9.82

10.94

-6.99

8.85

-

11.09

-

-

-

4.244.83

6.45

7.49

8.53

PUPNU

-

-

-

PNPNU

-

-

-

PNPNU

PNU

P

PU

PNPNU

PNU

-

-

PNPNU

PNU

P

PU

PNPNU

PNU

P

PU

-PNU

PNU

-

-

2-7/82-7/8

2-7/8

2-7/8

2-7/8

2-7/8

6.407.80

8.60

9.35

10.50

11.50

6.507.90

8.70

9.45

-

-

-

-

-

-

73.0273.02

73.02

73.02

73.02

73.02

9.5211.61

12.80

13.91

15.63

17.11

9.6711.76

12.95

14.06

-

-

-

-

-

-

5.517.01

7.82

8.64

9.96

11.18

PNU-

-

-

-

-

PNU-

-

-

-

-

PNUPNU

PNU

PU

P

P

PNUPNU

PNU

-

-

-

PNUPNU

PNU

PU

P

P

PNUPNU

PNU

PU

P

P

PNUPNU

PNU

-

-

-

3-1/23-1/2

3-1/2

3-1/2

3-1/2

3-1/2

3-1/2

7.709.20

10.20

12.70

14.30

15.50

17.00

-9.30

-

12.95

-

-

-

-

-

-

-

-

88.9088.90

88.90

88.90

88.90

88.90

88.90

11.4613.69

15.18

18.90

21.28

23.07

25.30

-13.84

-

19.27

-

-

-

-

-

-

-

-

5.496.45

7.34

9.52

10.92

12.09

13.46

PNPNU

PN

-

-

-

-

PNPNU

PN

-

-

-

-

PNPNU

PN

PNU

P

P

P

PNPNU

PN

PNU

-

-

-

PNPNU

PN

PNU

P

P

P

PNPNU

PN

PNU

P

P

P

-PNU

-

PNU

-

-

-

44

4

4

4

4

9.5010.70

13.20

16.10

18.90

22.20

-11.00

-

-

-

-

-

-

-

-

101.60101.60

101.60

101.60

101.60

101.60

14.14-

19.64

23.96

28.13

33.04

-16.37

-

-

-

-

-

-

-

-

5.746.65

8.38

10.54

12.70

15.49

PNPU

-

-

-

-

PNPU

-

-

-

-

PNPU

P

P

P

P

PNPU

-

-

-

-

PNPU

P

P

P

P

PNPU

P

P

P

P

-

-

-

-

4-1/24-1/212.6015.2012.75-114.30114.3018.7522.6218.97-6.888.56PNU-PNU-PNUPPNU-PNUPPNUP
4-1/24-1/2

4-1/2

4-1/2

4-1/2

17.0018.90

21.50

23.70

26.10

-

-

-

-

-

-

114.30114.30

114.30

114.30

114.30

25.3028.13

32.00

35.27

38.84

-

-

-

-

-

-

9.6510.92

12.70

14.22

16.00

-

-

-

-

-

-

PP

P

P

P

-

-

-

PP

P

P

P

PP

P

P

P

-

-

-

P——Plain end;N—Non-upset threaded and coupled;U—External upset threaded and coupled;I—insert joint.

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT  API Standard Oil and Gas Well Casing Tube 5CT

API Standard Oil and Gas Well Casing Tube 5CT   API Standard Oil and Gas Well Casing Tube 5CT


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