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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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A299 Grade B Boiler steel plate, A299 Grade B boiler steel equivalent material
A299 Grade B Boiler steel plate under ASTM standard. As a professional A299 Grade B boiler steel supplier, we promise we can offer you the qualified A299 Grade B Boiler steel plate. More information about A299 Grade B Boiler steel plate, please see the following:
A299 Grade B boiler steel plate specification:
Steel Grade: A299 Grade B Steel Standard: ASTM A299/A299M
Thickness:6mm-450mm, Width:1200mm-4200mm, Length:3000mm-18000mm
A299 Grade B boiler steel Equivalent material: Germany T St E255, Italy Fe 360 2 KG.
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A299 Grade B Chemical Composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Mo |
|
|
A299 GR.B |
0.28-0.30 |
0.13-0.45 |
0.84 -1.62 |
0.035 |
0.035 |
- |
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
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Thickness |
Yield |
Tensile |
Elongation |
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A299 GR.B |
mm |
Min Mpa |
Mpa |
Min % |
|
t≦50 |
310-325 |
550-690 |
19 |
|
|
50<t≦200 |
310-325 |
550-690 |
19 |
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A299 Grade B boiler steel plate application:
A299 Grade B boiler steel plates are widely used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
A299 Grade B steel surface treatment: Shot blasting and painting or coated.
A299 Grade B boiler steel test: Ultrasonic examination,Normalized,Quenched and Te CC and Third party inspections by end user.
We supply good quality A299 Grade B boiler steel, A299 Grade B boiler steel plate, A299 Grade B boiler steel sheet. Check more detail information about A299 Grade B boiler steel, please feel free to contact us!