石油管线管

22×3,4,5,6

114×18,20,25,28,30

273*7,8,10,16,18,20,30,45,60

石油管线管

25×2.5,3,4,6

121×5,6,8,10,12,20,25,30,32

299*8,12,20,35,50

石油管线管

28×3,4,5,6

127×6,8,10,12,14,25,28,32

325×8,12,14,20,30,35,38,40,42,50,55

石油管线管

32×3,4,5,6,8

133×4,5,6,8,10,12,14,16,18,20,28,32

351×8,9,10,12,14,20,25,30,35

石油管线管

38×3,4,5,6,8,10

140×6,10,12,16,18,20,25,28,30,35,

377×10,14,16,18,25,30,38,45,60

石油管线管

42×3,4,6,8,10

146×6,8,10,12,14,16

402×10,14,16,20,25, 28,35,40,50

石油管线管

45×3,4,6,8,10

152×6,8,10,12,20,22,25,30,35,40

406×10,16,20,30,45

石油管线管

51×3.5,5,6,8,10,12

159×4.5,8,10,16,18,20,25,28,30,35,40

426×20,25,30,32,35,45,50

石油管线管

57×3.5,5,6,8,10,12

168×6,12,14,16,22,28,30,35,40,45

450-480×10,16,20,25,30,40,45

石油管线管

60×5,6,8,10,12,14

180×6,8,14,16,18,20,28,30,40,45,50

500-508×10,12,16,20,25,35,55

石油管线管

10×1.5,2,2.5,3

63.5×3.5,6,8,10,12,16

89×4.5,5,6,8,10,12,18,20,22,25

石油管线管

12×1.5,2,2.5,3

68×6,8,10,12,14,16

95×5,6,8,10,18,20,22,25

石油管线管

14×2,2.5.3,4

70×4,6,8,10,16,20

102×4,5,6,8,10,16,18,20,22,25

石油管线管

16×2,3,3.5,4

73×4,6,8,10,12,20

108×4,5,6,8,16,18,20,25,30

石油管线管

20×3,4,5,6

76×4,6,8,10,12,14,16,18,20,22,25

114×5,6,8,10,12,14,20,25,28,30

石油管线管

22×3,4,5,6

42×3,4,6,8,10

121×5,6,8,12,14,16,18,20,25,30,32

石油管线管

25×2.5,3,4,6

45×3,4,6,8,10

127×10,12,14,16,18,22,25,28,32

石油管线管

28×3,4,5,6

51×3.5,5,6,8,10,12

133×4,5,6,8,10,12,18,20,28,32

石油管线管

32×3,4,5,6,8

57×3.5,5,6,8,10,12

140×6,8,10,12,14,18,20,25,28,30,35,

石油管线管

38×3,4,5,6,8,10

60×5,6,8,10,12,14

146×6,8,10,12,14,16

石油管线管

42×3,4,6,8,10

63.5×3.5,6,8,10,12,16

152×6,8,10,12,14,16,22,25,30,35,40

石油管线管

45×3,4,6,8,10

68×6,8,10,12,14,16

159×10,14,16,18,20,22,28,30,35,40