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  • Drill pipe,Sprial steel pipe,Boier tube
  • Drill pipe,Sprial steel pipe,Boier tube
  • Drill pipe,Sprial steel pipe,Boier tube
  • Drill pipe,Sprial steel pipe,Boier tube

API 5L GR.B steel pipe

Category : Seamless line pipe

Type:API 5L GR.B seamless steel pipe

Size :

OD:10-762mm

WT: 2-50mm,

Length: 0.5mtr-12.2mtr


Standard & Grade :API 5L PSL1/PSL2 GR.B

Ends:Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled/Threaded Ends

Coating: 3PE Coating;3PP Coating;FBE Coating;Epoxy Coating;Special Painting

Packing:Bundle or bulk , seaworthy packing or for the client's requirement

Usage:For conveying gas, water and oil either in the oil or natural gas industries

  • Description
  • Specification
  • Standard
  • Process
  • Packing

Mills produce two types of line pipe, seamless and welded

Seamless pipe is formed from a cylindrical bar of steel. The bar is heated to a high temperature and then a probe is inserted to create a hole through the cylinder. The cylinder is then transferred to rollers which size the cylinder to the specified diameter and wall thickness. A few mills can produce seamless pipe up to 24-in in diameter. For small diameter pipe, seamless pipe is common.

OD/mm

WT/mm

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

21.3


































26.7

































33.4

































48.3































60.3































73





























88.9




























114.3



























168.3























219.1





















273.1



















323.3












355.6










406.4







457.2







508







609.6








660.4








711.2









762









Chemical Composition(%) Tensile Strength(min)
Standard Grade C Mn P S Mpa Mpa
max max max max
API 5L
PSL1
GR.B 0.28 1.2 0.03 0.03 415 245
X42 0.28 1.3 0.03 0.03 415 290
X46 0.28 1.4 0.03 0.03 435 320
X52 0.28 1.4 0.03 0.03 460 360
X56 0.28 1.4 0.03 0.03 490 390
X60 0.28 1.4 0.03 0.03 520 415
X65 0.28 1.4 0.03 0.03 535 450
X70 0.28 1.4 0.03 0.03 570 485
Chemical Composition(%) Tensile Strength Yield Strength
Standard Grade C Mn P S Mpa Mpa
max max max max
API 5L
PSL2
GR.B 0.24 1.2 0.025 0.015 415-655 245-450
X42 0.24 1.3 0.025 0.015 415-655 290-495
X46 0.24 1.4 0.025 0.015 435-355 320-525
X52 0.24 1.4 0.025 0.015 460-760 360-530
X56 0.24 1.4 0.025 0.015 490-760 390-545
X60 0.24 1.4 0.025 0.015 520-760 415-565
X65 0.26 1.4 0.025 0.015 535-760 450-600
X70 0.24 1.4 0.025 0.015 570-760 485-635
X80 0.24 1.4 0.025 0.015 625-825 555-705

Hot rolled manufacturing process:

Round Pipe Billet → Heating → Punching → Three-Roller Skew Rolling → Annealing →Acid Pickling→Coating Oil (Copper Plating) → Multi-pass Cold Drawing or ColdRolling → Pipe Billet → Heat Treatment → Straightening → Hydrostatic Test or Inspection → Marking → Warehousing

 

Cold drawn manufacturing process:

Round Pipe Billet → Heating → Punching → Pipe Head Treatment → Annealing →Acid Pickling →

Coating Oil (Copper Plating) → Multi-pass Cold Drawing or Cold Rolling → Pipe Billet → Heat Treatment → Straightening → Hydrostatic Test or Inspection → Marking → Warehousing

Package of carbon steel seamless pipe

Plastic caps plugged at the two sides of pipe ends

Should be avoided by the steel strapping and transport damage

Bundled signs should be uniform and consistent

The same bundle(batch) of steel pipe should be came from the same furnace.

The steel pipe has the same furnace number, the same steel grade, the same specifications.

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