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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
ASTM SA285GrC boiler and pressure vessel steel,
ASTM SA285GrC boiler and pressure vessel steel, ASTM SA285GrC boiler steel, ASTM SA285GrC pressure vessel steel
ASTM SA285GrC boiler and pressure vessel steel Rolling Range (T*W*L): 6-300mm*1500-4020mm*3000-18000mm.
ASTM SA285GrC boiler and pressure vessel steel chemical composition:
|
Brand |
C≤ |
Mn≤ |
Si≤ |
P≤ |
S≤ |
Alt≥ |
|
SA285GrC |
0.20 |
0.5-1 |
0.3-5 |
0.025 |
0.015 |
0.020 |
ASTM SA285GrC boiler and pressure vessel steel mechanical property:
|
Brand |
Yield point σs,MPa |
Tensile strength σb MPa |
Elongation δ5 % |
Longitudinal impact strength,AkV,J(°C) |
180° Bending test d=Diameter of apex a= Specimen thickness |
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|
≤16 |
>16-36 |
>36-60 |
>60-100 |
20 |
0 |
-20 |
-40 |
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|
Not less than |
Not less than |
≥35 |
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|
SA285GrC |
245 |
235 |
225 |
205 |
390-520 |
25 |
31 |
1.5a |
2a |
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ASTM SA285GrC boiler and pressure vessel steel is widely applied Petroleume, Chemical Factory and the Boilers domains. ASTM SA285GrC boiler and pressure vessel steel is also made the Reactor, Heat Exchanger, Separator, Spherical Tank, the Tank of oil gas, Nuclear reactor pressure shell, High-pressure water pipe, Turbin shell and other equipments
.