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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
P275NL2 steel plate, P275NL2 steel chemical composition
P275NL2 steel is a normalized steel plate and sheet which is mainly used for building pressure vessels and boilers and pipes for hot liquid. More information about P275NL2 steel details, please see the following:
P275NL2 steel plate specification:
Thickness: 6mm to 300mm, Width: 1500mm to 4050mm, Length: 3000mm to 15000mm.
|
Grade |
The Element Max (%) |
||||||
|
C |
Si |
Mn |
P |
S |
Al(min) |
N |
|
|
P275NL2 |
0.16 |
0.40 |
0.5-1.40 |
0.025 |
0.015 |
0.02 |
|
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
|
0.30 |
0.30 |
0.08 |
0.005 |
0.50 |
0.03 |
0.05 |
|
|
Grade |
P275NL2 steel Mechanical Property
|
||||||
|
Thickness |
Yield |
Tensile |
Elongation |
Impact Energy(KV J) min |
|||
|
P275NL2 |
mm |
Min Mpa |
Mpa |
Min % |
-20° |
0° |
+20° |
|
≤ 16 |
275 |
390-510 |
24 |
65 |
90 |
100 |
|
|
16> to ≤35 |
275 |
390-510 |
24 |
65 |
90 |
100 |
|
|
35> to ≤50 |
265 |
390-510 |
24 |
65 |
90 |
100 |
|
|
50> to ≤70 |
255 |
390-510 |
24 |
65 |
90 |
100 |
|
|
70> to ≤100 |
235 |
370-490 |
23 |
65 |
90 |
100 |
|
|
100> to ≤150 |
235 |
350-470 |
23 |
65 |
90 |
100 |
|
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