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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
P355NL1 steel, P355NL1 steel plate
P355NL1 steel under En10028-3 standard. EN10028 P355NL1 steel plate/sheets is mainly used for boilers and Pressure Vessels steels, it is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid.
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P355NL1 Chemical Composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al(min) |
N |
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|
0.18 |
0.50 |
0.9-1.70 |
0.03 |
0.020 |
|
0.02 |
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|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
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|
0.30 |
0.30 |
0.08 |
0.005 |
0.50 |
0.03 |
0.10 |
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Grade |
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P355NL1 Mechanical Property |
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|
Thickness |
Yield |
Tensilmie |
Elongation |
Impact Energy(KV J) min |
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|
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
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≤ 16 |
355 |
490-630 |
22 |
47 |
55 |
63 |
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16> to ≤35 |
355 |
490-630 |
22 |
47 |
55 |
63 |
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35> to ≤50 |
345 |
490-630 |
22 |
47 |
55 |
63 |
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|
50> to ≤70 |
325 |
490-630 |
22 |
47 |
55 |
63 |
|||
|
70> to ≤100 |
315 |
470-610 |
21 |
47 |
55 |
63 |
|||
|
100> to ≤150 |
295 |
450-590 |
21 |
47 |
55 |
63 |
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