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You are here: Home > FAQAPI-5CT K55 oilfield casing pipe

API-5CT K55 oilfield casing pipe

Posted:2018-07-18 17:00:47

API-5CT K55 oilfield casing pipe is very similar to J55, there is no significant difference in the chemical composition and yield strength, however the ultimate tensile strength of K55 is higher than J55 steel, K55/J55 are 655MPa and 517MPa respectively.

J55 and K55 for all pipe shall be one or more of the criteria specified in 10.15.5 tested to find the inner surface of the outer surface of the pipe and can receive the level of L4 longitudinal imperfections.
Dimensions And Weight

Size

Weight

Outside Diameter

Wall Thickness

End Finish

Grade

in

mm

in

mm

J55K55

L80

N80

C90T95

P110

4 1/2

9.50

4.500

114.3

0.205

5.21

PS

10.50

0.224

5.69

PSB

11.60

0.250

6.35

PSLB

PLB

PLB

PLB

PLB

13.50

0.290

7.37

PLB

PLB

PLB

PLB

15.10

0.337

9.56

PLB

5

11.50

5.00

127.00

0.220

5.59

PS

13.00

0.253

6.43

PSLB

15.00

0.296

7.52

PSLB

PLB

PLB

PLBE

PLB

18.00

0.362

9.19

PLB

PLB

PLBE

PLB

21.40

0.437

11.10

PLB

PLB

PLB

PLB

23.20

0.478

12.14

PLB

24.10

0.500

12.70

PLB

5 1/2

14.00

5.500

139.7

0.244

6.20

PS

15.50

0.275

6.98

PSLB

17.00

0.304

7.72

PSLB

PLB

PLB

PLBE

PLB

20.00

0.361

9.17

PLB

PLB

PLBE

PLB

23.00

0.415

10.54

PLB

PLB

PLBE

PLB

6 5/8

20.00

6.625

168.28

0.288

7.32

PSLB

24.00

0.352

8.94

PSLB

PLB

PLB

PLBE

PLB

7

17.00

7.00

177.80

0.231

5.87

20.00

0.272

6.91

PS

23.00

0.317

8.05

PSLB

PLB

PLB

PLBE

26.00

0.362

9.19

PSLB

PLB

PLB

PLBE

PLB

29.00

0.408

10.36

PLB

PLB

PLBE

PLB

32.00

0.453

11.51

PLB

PLB

PLBE

PLB

35.00

0.498

12.65

PLB

PLB

PLBE

PLB

38.00

0.540

13.72

PLB

PLB

PLBE

PLB

7 5/8

24.00

7.625

193.68

0.300

7.62

26.40

0.328

8.33

PSLB

PLB

PLB

PLBE

PLB

29.70

0.375

9.52

PLB

PLB

PLBE

PLB

33.70

0.430

10.92

PLB

PLB

PLBE

PLB

39.00

0.500

12.70

PLB

PLB

PLBE

PLB

42.80

0.562

14.27

PLB

PLB

PLB

PLB

45.30

0.595

15.11

PLB

PLB

PLB

PLB

47.10

0.625

15.88

PLB

PLB

PLB

PLB

8 5/8

24.00

8.625

219.08

0.264

6.71

PS

28.00

0.304

7.72

32.00

0.352

8.94

PSLB

36.00

0.400

10.16

PSLB

PLB

PLB

PLBE

PLB

40.00

0.450

11.43

PLB

PLB

PLBE

PLB

44.00

0.500

12.70

PLB

PLB

PLBE

PLB

49.00

0.557

14.15

PLB

PLB

PLBE

PLB

9 5/8

32.30

9.625

244.48

0.312

7.92

36.00

0.352

8.94

PSLB

40.00

0.395

10.03

PSLB

PLB

PLB

PLBE

43.50

0.435

11.05

PLB

PLB

PLBE

PLB

10 3/4

32.75

10.75

273.05

0.279

7.09

40.50

0.350

8.89

PSB

15.50

0.400

10.16

PSB

51.00

0.450

11.43

PSB

PSB

PSB

PSBE

PSB

55.50

0.495

12.57

PSB

PSB

PSBE

PSB

60.70

0.545

13.84

PSBE

PSB

65.70

0.595

15.11

PSB

PSB

13 3/8

48.00

13.375

339.73

0.330

8.38

54.50

0.380

9.65

PSB

61.00

0.430

10.92

PSB

68.00

0.480

12.19

PSB

PSB

PSB

PSB

PSB

72.00

0.514

13.06

PSB

PSB

PSB

PSB

16

65.00

16

406.40

0.375

9.53

75.00

0.438

11.13

PSB

84.00

0.495

12.57

PSB

109.00

0.656

16.66

P

P

P

P

18 5/8

87.50

18.625

473.08

0.435

11.05

PSB

20

94.00

20

508.00

0.438

11.13

PSLB

106.50

0.500

12.70

PSLB

133.00

0.635

16.13

PSLB

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