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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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A302 Grade C boiler steel plate
Steel Name: A302 Grade C boiler steel plate, A302 Grade C boiler steel sheet, A302 Grade C steel plate, A302 Grade C steel sheet, A302 Grade C Pressure vessel steel plate
Steel Grade: A302 Grade C Steel Standard: ASTM A302/A302M
Thickness:6mm-450mm, Width:1200mm-4200mm, Length:3000mm-18000mm
A302 Grade C boiler steel plate surface treatment: Shot blasting and painting or coated.
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ASTM A302 Grade C Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Al |
N |
|
|
A302 Grade C |
0.20-0.25 |
0.13–0.45 |
1.07-1.62 |
0,035 |
0,035 |
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|
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
|
|
|
|
|
0.37-0.73 |
0.41–0.64 |
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
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Grade |
||||
|
Thickness |
Yield |
Tensile |
Elongation |
|
|
A302 Grade C |
mm |
Min Mpa |
Mpa |
Min % |
|
6-50 |
345 |
550-690 |
20% |
|
|
50-200 |
345 |
550-690 |
17% |
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A302 Grade C boiler steel plate application:
A302 Grade C boiler steel plates are used to build boilers and pressure vessels such as petroleum, chemical industry, power plants.
A302 Grade C boiler steel plate additional technical services:
Including Heat treatment (Normalized, TMCP, Quenched and Tempered, N+T), Z-test (Z15, Z25, Z35), Ultrasonic Examination, Low temperature impacting test, DWTT,PWHT and cutting&welding into special pieces for end users. Mill test certificate issued under EN 10204 format.
As a professional global A302 Grade C boiler steel plate supplier, we promise we can offer you the qualified A302 Grade C boiler steel plate and our A302 Grade C boiler steel plate price is reasonable. If you have any confusion in A302 Grade C boiler steel plate price or A302 Grade C boiler steel plate technical conditions, please contact us freely.