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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
A516 grade 70 Boiler steel plate, A516 grade 70 chemical composition
ASTM A516 Grade 70 is an excellent choice for service in lower than ambient temperature application, has excellent notch toughness and is used in both pressure vessels and industrial boilers. It offers a greater Yield and Tensile strength when compared to ASTM A516 Grade 65 and can operate in lower temperatures.
A516 grade 70 Boiler steel plate specification:
Thickness: 6MM to 300MM,
Width: 1500mm to 4050mm,
Length: 3000mm to 15000mm
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A516 Grade 70 Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
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0.27-0.31 |
0.13-0.45 |
0.79-1.30 |
0.035 |
0.035 |
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Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】
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Grade |
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A516 Grade 70 Mechanical Property |
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Thickness |
Yield |
Tensile |
Elongation |
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mm |
Min Mpa |
Mpa |
Min % |
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6-40 |
260 |
485-620 |
21% |
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40-100 |
260 |
485-620 |
17% |
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