API-5CT EUE Tubing Pipe

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Tianjin
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TT OR LC
Min Order Qty:
-
Supply Capability:
20000ton m.t./month

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Product Description:

API-5CT EUE Tubing Pipe

The API external-upset-end (EUE) tubing pipe is broadly used due to the fact that is a good, serviceable interconnection in the majority of wells.

Without the need of modifying the actual thread shape, the joint dimension will increase because of  upsetting procedure. The EUE joint features a designed joint strength in tension and pressure strength much higher than that of the pipe overall body and, as a result, is considered a 100% joint effective connection.

To enhance  seal efficiency of API EUE tubing in high-pressure system, a grooved coupling, which accepts nonmetallic seal rings, is quite often applied in the coupling (see API Spec. 5CT SR 13).

API EUE joints come in OD sizes of 1.050 to 4.500 inch.

ParametersValue
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

ParametersValue
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

GradeTensile 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

                   

sizes

ODD
mm

weight

wtt
mm

Type of end

1

2

NU kg/m

EU kg/m

IJ kg/m

NU

EU

IJ

H40

J55

L80

N80 1¸Qàà

C90

T95

P110

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

2-3/82-3/82-3/8
2-3/8
2-3/8

4.004.605.80
6.60
7.35

-4.705.95
-
7.45


-
-

60.3260.3260.32
60.32
60.32

5.956.858.63
9.82
10.94

-6.998.85
-
11.09


-
-

4.244.836.45
7.49
8.53

PUPNU-
-
-

PNPNU-
-
-

PNPNUPNU
P
PU

PNPNUPNU
-
-

PNPNUPNU
P
PU

PNPNUPNU
P
PU

-PNUPNU
-
-

2-7/82-7/82-7/8
2-7/8
2-7/8
2-7/8

6.407.808.60
9.35
10.50
11.50

6.507.908.70
9.45
-
-


-
-
-

73.0273.0273.02
73.02
73.02
73.02

9.5211.6112.80
13.91
15.63
17.11

9.6711.7612.95
14.06
-
-


-
-
-

5.517.017.82
8.64
9.96
11.18

PNU–
-
-
-

PNU–
-
-
-

PNUPNUPNU
PU
P
P

PNUPNUPNU
-
-
-

PNUPNUPNU
PU
P
P

PNUPNUPNU
PU
P
P

PNUPNUPNU
-
-
-

3-1/23-1/23-1/2
3-1/2
3-1/2
3-1/2
3-1/2

7.709.2010.20
12.70
14.30
15.50
17.00

-9.30-
12.95
-
-
-


-
-
-
-

88.9088.9088.90
88.90
88.90
88.90
88.90

11.4613.6915.18
18.90
21.28
23.07
25.30

-13.84-
19.27
-
-
-


-
-
-
-

5.496.457.34
9.52
10.92
12.09
13.46

PNPNUPN
-
-
-
-

PNPNUPN
-
-
-
-

PNPNUPN
PNU
P
P
P

PNPNUPN
PNU
-
-
-

PNPNUPN
PNU
P
P
P

PNPNUPN
PNU
P
P
P

-PNU-
PNU
-
-
-

444
4
4
4

9.5010.7013.20
16.10
18.90
22.20

-11.00-
-
-
-


-
-
-

101.60101.60101.60
101.60
101.60
101.60

14.14-19.64
23.96
28.13
33.04

-16.37-
-
-
-


-
-
-

5.746.658.38
10.54
12.70
15.49

PNPU-
-
-
-

PNPU-
-
-
-

PNPUP
P
P
P

PNPU-
-
-
-

PNPUP
P
P
P

PNPUP
P
P
P


-
-
-

4-1/24-1/2

12.6015.20

12.75-

114.30114.30

18.7522.62

18.97-

6.888.56

PNU-

PNU-

PNUP

PNU-

PNUP

PNUP

4-1/24-1/24-1/2
4-1/2
4-1/2

17.0018.9021.50
23.70
26.10


-
-


-
-

114.30114.30114.30
114.30
114.30

25.3028.1332.00
35.27
38.84


-
-


-
-

9.6510.9212.70
14.22
16.00


-
-


-
-

PPP
P
P


-
-

PPP
P
P

PPP
P
P


-
-

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

Dalipal Company is one of the most famous enterprises of china professionally producing pipeline and oil casing.We can supply API 5CT series of pipeline and oil casing with all kinds of specifications and materials.We have first-class production equipment and technology.


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