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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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ASTM A204 Grade B boiler steel plate chemical composition
ASTM A204 Grade B is a molybdenum alloy steel. ASTM A204 Grade B steel plate is used in fabricators serving industry, especially in the oil, gas and chemical supply markets.
Chemical composition of ASTM A204 Grade B boiler steel plate:
|
Grade
|
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
A204 Grade B |
0.20-0.27 |
0.13-0.45 |
0.90-0.98 |
0.035 |
0.035 |
Mechanical property of A204 Grade B steel plate:
|
Grade
|
Thick.(mm) |
Min Yield |
Tensile |
Elongation |
|
SA204Gr.B |
6-50 |
275 Mpa |
485-620 Mpa |
21 % |
|
50-200 |
275 Mpa |
485-620 Mpa |
17 % |
BEBON steel always provide preferential prices and comprehensive services of A204 Grade B steel plate. If you place an order of ASTM A204 Grade B boiler steel plate, we will give you a satisfactory answer.