Casing Pipe

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Casing Pipe

Application: Casing Pipe is widely used for fastening oil and gas well wall or borehold, with bigger diameter than tubing, including surface casings, technical casings and oil layer casings.

Phone : +86 16600268439

WhatsApp：+8616600268439

Email : bg02@cn-tiangang.com

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Product Description

Pipe Type:Oil casing, API 5CT casing,API Spec 5CT J55 K55 N80 L80 Casing Pipe;Seamless Steel Oil Well Casing Pipe
Outer diamater(OD):114.30mm-508mm
Wall thickness(WT):5.21mm-16.13mm
Length:R1; R2; R3
Gread：J55;K55;N80-Q;L80-1;L80-9Cr;L80-13Cr,C95，P10
Standard:API 5CT PSL1/PSL2 J55,K55,N80-1,N80-Q,
API 5CT PSL1/PSL2 L80-1, L80-9Cr,L80-13Cr,C90, C95, P110, Q125
Thread types:STC;LTC;BTC;VAM TOP equivalent;New VAM equivalent;CS equivalent;HSC equivalent;NUE;EUE;LTC;XC
Thread: NUE, EUE, VAM, STC, LTC, BTC, XC, VAM TOP, NEW VAM,HYDRILL CS
Application: Casing Pipe is widely used for fastening oil and gas well wall or borehold, with bigger diameter than tubing, including surface casings, technical casings and oil layer casings.
Production technology:Plain pipe-end upsetting- Austenite treatment-Quenching-Tempering-straightening-(Non-Destructive Testing)- Threading-Thread inspection-coupling MPI-phosphating-Coupling make up-Drifting-Hydrostatic testing-Measuring&Weight-Marking&Stenciling-Coating-Packing Casing and tubing-Transportation
Vailable Sizes
Category: ERW, HFW or SMLS
Standards:H-40, J-55, K-55, C-75, L-80, N-80, C-95, AS-95, P-110, L80-13CR
Steel Grade: H40, J55, K55, N80
Connections
API 5CT is applicable to following connections which complied with API SPEC 5B:
• SC: Short round thread casing
• LC: Long ound thread casing
• BC: Buttress thread casing
• NU: Non-upset tubing
• EU: External upset tubing

Technical parameters of casing pipe:

Sizes

OD

Weight

WT

Type of end

D

kg/m

t

mm

mm

H40

J55

M65

L80

N80

C90

P110

Q125

K55

C95

1、Q

T95

1

2

1

2

3

4

5

6

7

8

9

10

11

12

13

2004/1/2

9.5

114.3

14.14

5.21

PS

PS

PS

–

–

–

–

–

2004/1/2

10.5

114.3

15.63

5.69

–

PSB

PSB

–

–

–

–

–

2004/1/2

11.6

114.3

17.26

6.35

–

PSLB

PLB

PLB

PLB

PLB

PLB

–

2004/1/2

13.5

114.3

20.09

7.37

–

–

PLB

PLB

PLB

PLB

PLB

–

2004/1/2

15.1

114.3

22.47

8.56

–

–

–

–

–

–

PLB

PLB

5

11.5

127

17.11

5.59

–

PS

PS

–

–

–

–

–

5

13

127

19.35

6.43

–

PSLB

PSLB

–

–

–

–

–

5

15

127

22.32

7.52

–

PSLBE

PLB

PLBE

PLBE

PLBE

PLBE

–

5

18

127

26.79

9.19

–

–

PLB

PLBE

PLBE

PLBE

PLBE

PLBE

5

21.4

127

31.85

11.1

–

–

PLB

PLB

PLB

PLB

PLB

PLB

5

23.2

127

34.53

12.14

–

–

–

PLB

PLB

PLB

PLB

PLB

5

24.1

127

35.86

12.7

–

–

–

PLB

PLB

PLB

PLB

PLB

Sizes

OD

Weight

WT

Type of end

D

kg/m

t

H40

J55

M65

L80

N80

C90

P110

Q125

1

2

mm

mm

K55

C95

1、Q

T95

1

2

3

4

5

6

7

8

9

10

11

12

13

2005/1/2

14

139.7

20.83

6.2

PS

PS

PS

–

–

–

–

–

2005/1/2

15.5

139.7

23.07

6.98

–

PSLBE

PSLB

–

–

–

–

–

2005/1/2

17

139.7

25.3

7.72

–

PSLBE

PLB

PLBE

PLBE

PLBE

PLBE

–

2005/1/2

20

139.7

29.76

9.17

–

–

PLB

PLBE

PLBE

PLBE

PLBE

–

2005/1/2

23

139.7

34.23

10.54

–

–

PLB

PLBE

PLBE

PLBE

PLBE

PLBE

2005/1/2

26.8

139.7

39.88

12.7

–

–

–

–

–

P

–

–

2005/1/2

29.7

139.7

44.2

14.27

–

–

–

–

–

P

–

–

2005/1/2

32.6

139.7

48.51

15.88

–

–

–

–

–

P

–

–

2005/1/2

35.3

139.7

52.53

17.45

–

–

–

–

–

P

–

–

2005/1/2

38

139.7

56.55

19.05

–

–

–

–

–

P

–

–

2005/1/2

40.5

139.7

60.27

20.62

–

–

–

–

–

P

–

–

2005/1/2

43.1

139.7

64.14

22.22

–

–

–

–

–

P

–

–

2006/5/8

20

168.28

29.76

7.32

PS

PSLB

PSLB

–

–

–

–

–

2006/5/8

24

168.28

35.72

8.94

–

PSLBE

PLB

PLBE

PLBE

PLBE

PLBE

–

2006/5/8

28

168.28

41.67

10.59

–

–

PLB

PLBE

PLBE

PLBE

PLBE

–

2006/5/8

32

168.28

47.62

12.06

–

–

–

PLBE

PLBE

PLBE

PLBE

PLBE

7

17

177.8

25.3

5.87

PS

–

–

–

–

–

–

–

7

20

177.8

29.76

6.91

PS

PS

PS

–

–

–

–

–

7

23

177.8

34.23

8.05

–

PSLBE

PLB

PLBE

PLBE

PLBE

–

–

7

26

177.8

38.69

9.19

–

PSLBE

PLB

PLBE

PLBE

PLBE

PLBE

–

7

29

177.8

43.16

10.36

–

–

PLB

PLBE

PLBE

PLBE

PLBE

–

7

32

177.8

47.62

11.51

–

–

PLB

PLBE

PLBE

PLBE

PLBE

–

7

35

177.8

52.09

12.65

–

–

–

PLBE

PLBE

PLBE

PLBE

PLBE

7

38

177.8

56.55

13.72

–

–

–

PLBE

PLBE

PLBE

PLBE

PLBE

7

42.7

177.8

63.54

15.88

–

–

–

–

–

P

–

–

7

46.4

177.8

69.05

17.45

–

–

–

–

–

P

–

–

7

50.1

177.8

74.56

19.05

–

–

–

–

–

P

–

–

7

53.6

177.8

79.77

20.62

–

–

–

–

–

P

–

–

7

57.1

177.8

84.97

22.22

–

–

–

–

–

P

–

–

2007/5/8

24

193.68

35.72

7.62

PS

–

–

–

–

–

–

–

2007/5/8

26.4

193.68

39.29

8.33

–

PSLBE

PSLB

PLBE

PLBE

PLBE

–

–

2007/5/8

29.7

193.68

44.2

9.52

–

–

PLB

PLBE

PLBE

PLBE

PLBE

–

2007/5/8

33.7

193.68

50.15

10.92

–

–

PLB

PLBE

PLBE

PLBE

PLBE

–

2007/5/8

39

193.68

58.04

12.7

–

–

–

PLBE

PLBE

PLBE

PLBE

PLBE

2007/5/8

42.8

193.68

63.69

14.27

–

–

–

PLB

PLB

PLB

PLB

PLB

2007/5/8

45.3

193.68

67.41

15.11

–

–

–

PLB

PLB

PLB

PLB

PLB

2007/5/8

47.1

193.68

70.09

15.88

–

–

–

PLB

PLB

PLB

PLB

PLB

2007/5/8

51.2

193.68

76.19

17.45

–

–

–

–

–

P

–

–

2007/5/8

55.3

193.68

82.3

19.05

–

–

–

–

–

P

–

–

2007/3/4

46.1

196.85

68.6

15.11

–

–

–

P

P

P

P

P

2008/5/8

24

219.08

35.72

6.71

–

PS

PS

–

–

–

–

–

2008/5/8

28

219.08

41.67

7.72

PS

–

PS

–

–

–

–

–

2008/5/8

32

219.08

47.62

8.94

PS

PSLBE

PSLB

–

–

–

–

–

2008/5/8

36

219.08

53.57

10.16

–

PSLBE

PSLB

PLBE

PLBE

PLBE

–

–

2008/5/8

40

219.08

59.53

11.43

–

–

PLB

PLBE

PLBE

PLBE

PLBE

– PLBE

2008/5/8

44

219.08

65.48

12.7

–

–

–

PLBE

PLBE

PLBE

PLBE

2008/5/8

49

219.08

72.92

14.15

–

–

–

PLBE

PLBE

PLBE

PLBE

2009/5/8

32.3

244.48

48.07

7.92

PS

–

–

–

–

–

–

–

2009/5/8

36

244.48

53.57

8.94

PS

PSLB

PSLB

–

–

–

–

–

2009/5/8

40

244.48

59.53

10.03

–

PSLBE

PSLB

PLBE

PLBE

PLBE

–

–

2009/5/8

43.5

244.48

64.73

11.05

–

–

PLB

PLBE

PLBE

PLBE

PLBE

–

2009/5/8

47

244.48

69.94

11.99

–

–

PLB

PLBE

PLBE

PLBE

PLBE

PLBE

2009/5/8

53.5

244.48

79.62

13.84

–

–

–

PLBE

PLBE

PLBE

PLBE

PLBE

2009/5/8

58.4

244.48

86.91

15.11

–

–

–

PLB

PLB

PLB

PLB

PLB

2009/5/8

59.4

244.48

88.4

15.47

–

–

– –

–

–

P

–

–

2009/5/8

64.9

244.48

96.58

17.07

–

–

–

–

–

P

–

–

2009/5/8

70.3

244.48

104.62

18.64

–

–

–

–

P

–

–

2009/5/8

75.6

244.48

112.5

20.24

–

–

–

–

P

–

–

2010/3/4

32.75

273.05

48.74

7.09

PS

–

–

–

–

–

–

–

2010/3/4

40.5

273.05

60.27

8.89

PS

PSB

PSB

–

–

–

–

–

2010/3/4

45.5

273.05

67.71

10.16

–

PSBE

PSB

–

–

–

–

–

2010/3/4

51

273.05

75.9

11.43

–

PSBE

PSB

PSBE

PSBE

PSBE

PSBE

–

2010/3/4

55.5

273.05

82.59

12.57

–

–

PSB

PSBE

PSBE

PSBE

PSBE

–

2010/3/4

60.7

273.05

90.33

13.84

–

–

–

–

–

PSBE

PSBE

PSBE

2010/3/4

65.7

273.05

97.77

15.11

–

–

–

–

–

PSB

PSB

PSB

2010/3/4

73.2

273.05

108.93

17.07

–

–

–

–

–

P

–

–

2010/3/4

79.2

273.05

117.86

18.64

–

–

–

–

–

P

–

–

2010/3/4

85.3

273.05

126.94

20.24

–

–

–

–

–

P

–

–

2011/3/4

42

298.45

62.5

8.46

PS

–

–

–

–

–

–

–

2011/3/4

47

298.45

69.94

9.53

–

PSB

PSB

–

–

–

–

–

2011/3/4

54

298.45

80.36

11.05

–

PSB

PSB

–

–

–

–

–

2011/3/4

60

298.45

89.29

12.42

–

PSB

PSB

PSB

PSB

PSB

PSB

PSB

2011/3/4

65

298.45

96.73

13.56

–

–

–

P

P

P

P

P

2011/3/4

71

298.45

105.66

14.78

–

–

–

P

P

P

P

P

2013/3/8

48

339.72

71.43

8.38

PS

–

–

–

–

–

–

–

2013/3/8

54.5

339.72

81.1

9.65

–

PSB

PSB

–

–

–

–

–

2013/3/8

61

339.72

90.78

10.92

–

PSB

PSB

–

–

–

–

–

2013/3/8

68

339.72

101.19

12.19

–

PSB

PSB

PSB

PSB

PSB

PSB

–

2013/3/8

72

339.72

107.15

13.06

–

–

–

PSB

PSB

PSB

PSB

PSB

16

65

406.4

96.73

9.53

PS

–

–

–

–

–

–

–

16

75

406.4

111.61

11.13

–

PSB

PSB

–

–

–

–

–

16

84

406.4

125.01

12.57

–

PSB

PSB

–

–

–

–

–

16

109

406.4

162.21

16.66

–

P

–

P

P

–

P

P

2018/5/8

87.5

473.08

130.21

11.05

PS

PSB

PSB

–

–

–

–

–

20

94

508

139.89

11.13

PSL

PSLB

PSLB

–

–

–

–

–

20

106.5

508

158.49

12.7

–

PSLB

PSLB

–

–

–

–

–

20

133

508

197.93

16.13

–

PSLB

–

–

–

–

–

–

Remarks: P——Plain end;S—Short round thread;L—Long round thread;B—Buttress thread;E—Extreme-line.

Note: other premium connection shall be provided as per customer requirements.

Chemical compositions of casing pipe
Chemical compositions of casing pipe
Standard	Grade	Chemical compositions(%)
API SPEC 5CT	J55	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
	K55	0.34~0.39	0.20~0.35	1.25~1.50	≤0.020	≤0.015	≤0.15	≤0.20	≤0.20	/	/
	N80	0.34~0.38	0.20~0.35	1.45~1.70	≤0.020	≤0.015	≤0.15	/	/	/	0.11~0.16
	L80	0.15~0.22	≤1.00	0.25~1.00	≤0.020	≤0.010	12.0~14.0	≤0.20	≤0.20	/	/
	P110	0.26~0.395	0.17~0.37	0.40~0.70	≤0.020	≤0.010	0.80~1.10	≤0.20	≤0.20	0.15~0.25	≤0.08

Mechanical properties of casing pipe

Mechanical properties of casing pipe
Grade	Type	Total elongation	Yield strength	Yield strength	Tensile strength	Hardness	Hardness
		under load	(min)Mpa	(max)Mpa	min Mpa	Max (HRC)	Max (HBW)
		(%)
J55	-	0.5	379	552	517	-	-
K55	-	0.5	379	552	655	-	-
N80	1	0.5	552	758	689	-	-
N80	Q	0.5	552	758	689	-	-
L80	1	0.5	552	655	655	23	241
L80	9Cr	0.5	552	655	655	23	241
L80	13Cr	0.5	552	655	655	23	241
C90	-	0.5	621	724	689	25.4	255
C95	-	0.5	655	758	724	-	-
T95	-	0.5	655	758	724	25.4	255
P110	-	0.6	758	965	862	-	-
Q125	All	0.65	862	1034	931	-	-

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FAQ

Q: Are You Manufacture or Trade Company?
A: We are the professional manufacturer of pipeline products located in Tianjin，China. Welcome to contact us and visit our factory before you place orders.
Q: How do you guarantee the quality?
A: We can send free samples to you, we can accept third-party testing.
We also have test certificate, every batch goods will be testing before shipment, and the testing report will delivery to you with your goods.
Q: Can I get free samples?
A: Of course you can. We can produce according to your samples or technical drawings. Contact us by whatsapp or email to get free samples and you will get the sample after 3-7 working days.
Q: What is the MOQ?
A: If you are scheduling to place a small quantity order or trial order, feel free to contact us, we can meet your requirements.
Q: Can you OEM or ODM?
A: Yes, we have a strong developing team. The products can be made according to your request

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