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Anli API pipeline steel pipe is a pipeline pipe belonging to the American Petroleum Standard. The pipeline pipe is used to transport the oil, steam, and water pumped out of the ground to the oil and gas industry enterprises through the pipeline pipe. Line pipes include seamless pipes and welded steel pipes, and the pipe ends have flat ends, threaded ends and socket ends; the connection methods are end welding, collar connection, socket connection, etc.
steel grade | color sign | Yield Strength | Highest | Lowest | Rc | Elongation | API | |
Psi | MPa | MPa | MPa | (max) | % | scope of application | ||
H-40 | Black | 40 | 276 | 552 | 414 | 5A | ||
J-55 | Green | 55 | 379 | 552 | 517 | 22.5 | 5A | |
K-55 | Green | 55 | 379 | 552 | 665 | 18 | 5A | |
N-80 | Red | 80 | 552 | 758 | 689 | 17 | 5A | |
C-75 | Blue | 75 | 517 | 620 | 665 | 18 | 5AC | |
L-80 | Brown/Red | 80 | 552 | 665 | 665 | 23 | 18 | 5AC |
C-90 | Purple | 90 | 620 | 725 | 690 | 25.4 | (5AC) | |
C-95 | Brown | 95 | 665 | 760 | 720 | 25.4 | 16.5 | (5AC) |
P-110 | White | 110 | 758 | 965 | 865 | A5X | ||
Q-125 | White | 125 | 861 | 1040 | 930 | 18 | (5AQ) | |

