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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 A 516 steel
ASTM A516 is the specification for a range of steels used in the fabrication of industrial pressure vessels and boilers.
ASTM A516 specification steel is used throughout the oil and gas, chemical and power generation industry and can be tested to exceed your specified requirements. HIC Testing is one such requirement as this material is used commonly in sour service/ wet h2s corrosive environments and so knowing how susceptible the material will be to hydrogen sulphide corrosion is imperative.
A516 Grade 55
A516 Grade 60
A516 Grade 65
A516 Grade 70
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A516 Grade 55 Chemical Composition |
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
|
|
A516 grade 55 |
0.18-0.26 |
0.13-0.45 |
0.55-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
|
A516 Grade 60Chemical Composition |
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|
Grade |
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
A516 grade 60 |
0.21-0.27 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
|
A516 Grade 65 Chemical Composition |
|||||
|
Grade |
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
A516 grade 65 |
0.24-0.29 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
|
A516 Grade 70Chemical Composition |
|||||
|
Grade |
The Element Max (%) |
||||
|
C |
Si |
Mn |
P |
S |
|
|
A516 grade 70 |
0.27-0.31 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
Carbon Equivalent: Ceq = [C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15]%
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