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Coupling Stock Size Chart
Spec. API 5 CT
Grades: J55, K55, N80, L80, P-110, K55 D10, L80 D10
Tubing
Size WT (IN) Lbs / FT.
2 3/8 3,063 0,425 11,97
2 7/8 3,668 0,490 16,63
3 1/2 4.500 0,600 24,99
4 5,000 0,605 28,40
4 1/2 5,563 0,645 33,88
 
Casing
  Size   WT (IN) Lbs / FT.
4 1/2 5,000 Short 0,466 22,57
    Long 0,479 23,13
    Buttress 0,443 21,56
5 5,563 Short 0,507 27,38
    Long 0,529 28,44
    Buttress 0,483 26,20
5 1/2 6,050 Short 0,500 29,64
    Long 0,526 31,03
    Buttress 0,477 28,39
7 7,656 Short 0,573 43,35
    Long 0,603 45,42
    Buttress 0,552 41,88
Casing
  Size   WT (IN) Lbs / FT.
7 5/8 8,500 Short 0,706 58,77
    Long 0,735 60,95
    Buttress 0,683 57,02
8 5/8 9,625 Short

0,781

73,77

    Long

0,826

77,62

    Buttress

0,760

71,96

9 5/8 10,625 Short 0,781

82,11

  Long 0,829

86,73

    Buttress 0,760

80,07

10 3/4 11,750 Short

0,786

92,04

    Buttress

0,759

89,09

11 3/4 12,750 Short

0,786

100,43

  Buttress

0,763

97,68

13 3/8 14,375 Short

0,786

114,07

  Buttress

0,760

110,51

17,000 Short

0,803

138,91

    Buttress

0,833

143,83

18 5/8 20,000 Short

1,018

206,38

  Buttress

1,048

212,12

20 21,000 Short 0,803 173,21
  Buttress 0,834 179,62
 
 
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