The purpose of API 5L standard specification is to provide standards for pipe suitable for use in conveying gas, water, and oil in both the oil and natural gas industries.
API 5L X56 steel
API 5L standard specification covers seamless and welded steel line pipe. API 5L standard specification includes plain-end, threaded-end, and belled-end pipe, as well as through-the-flowline (TFL) pipe and pipe with ends prepared for use with special couplings.
API 5L X56 steel can be divided into PSL 1API 5L X56 steel and PSL 2API 5L X56 steel.
PSL 1API 5L X56 steel Chemical Composition:
|
The Element Max (%) |
||||
|
C |
Ti |
Mn |
P |
S |
|
Seamless |
||||
|
0.28 |
0.04 |
1.40 |
0.03 |
0.03 |
|
Welded |
||||
|
0.26 |
0.04 |
1.40 |
0.03 |
0.03 |
PSL 2API 5L X56 steel Chemical Composition:
|
The Element Max (%) |
||||
|
C |
Ti |
Mn |
P |
S |
|
Seamless |
||||
|
0.24 |
0.04 |
1.40 |
0.025 |
0.015 |
|
Welded |
||||
|
0.22 |
0.04 |
1.40 |
0.025 |
0.015 |
PSL 1API 5L X56 steel Mechanical Property:
|
Yield |
Tensile |
Elongation |
|
Min Mpa |
Mpa |
Min % |
|
386 |
490 |
a |
PSL 2API 5L X56 steel Mechanical Property:
|
Yield |
Tensile |
Elongation |
|
Min Mpa |
Mpa |
Min % |
|
386-544 |
490-758 |
a |
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Tags: API 5L X52 steel, API 5L X42 steel, API 4L steel
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