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Executive Standard: SA299 Gr. B steel plates comply with the ASME standard, specifically ASTM A299/A299M.2026-08-26
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SA299 is a carbon-manganese-silicon steel plate designed for pressure vessels—often referred to as "gas drum steel" under US standards.2026-08-19
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ntroduction to SA299 Gr.A Steel Plate:
SA299 Gr.A is a steel plate grade designated for boilers and pressure vessels under American standards.2026-08-11 -
A285 Gr.C and SA285 Gr.C steel plates represent the same grade, though they are governed by different standards.2026-08-04
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SA283 Gr.B is a low-to-medium strength carbon structural steel plate conforming to the American Society of Mechanical Engineers (ASME) standard.2026-07-31
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High quality API 5L X52 pipeline steel plate manufacturer
API 5L X52 pipeline steel has two product specification levels (PSL1 & PSL2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries.
Size range of API 5L X52 pipeline steel plate
Standard：API 5L
Thickness: 6-80mm
Width: 1360-3000mm
Length: 6000-12000mm
Chemical Composition of API 5L X52 pipeline steel plate:
|
Grade
|
specification |
The Element Max (%) |
||||
|
C |
Ti |
Mn |
P |
S |
||
|
PSL 1 API 5L X52 |
Seamless |
0.28 |
0.04 |
1.40 |
0.03 |
0.03 |
|
Welded |
0.26 |
0.04 |
1.40 |
0.03 |
0.03 |
|
|
Grade |
specification |
The Element Max (%) |
||||
|
C |
Ti |
Mn |
P |
S |
||
|
PSL 2 API 5L X52 |
Seamless |
0.24 |
0.04 |
1.40 |
0.025 |
0.015 |
|
Welded |
0.22 |
0.04 |
1.40 |
0.025 |
0.015 |
|
Any request about API 5L X52 pipeline steel plate, please contact us as soon as possible.