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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
SM400B low alloy steel plate mechanical properties
SM400B is a kind of carbon and low alloy steel that under the JIS G3106-2004 standard. SM400B low alloy steel plate is often used in the engineering and construction industry.
Size range of SM400B low alloy steel plate:
Thickness: 6mm-260mm
Width: 1000mm-4000mm
Length: 3000mm-18500mm
Chemical composition of SM400B low alloy steel plate:
|
Grade
|
The Element Max (%) |
|||||
|
C |
Si |
Mn |
P |
S |
Cu (min) |
|
|
SM400B |
0.20-0.22 |
0.35 |
0.6-1.50 |
0.035 |
0.035 |
- |
SM400B low alloy steel plate mechanical properties:
|
Grade
|
Thickness |
Yield |
Tensile |
Elongation |
|
SM400B |
mm |
Min Mpa |
Mpa |
Min % |
|
t≦16 |
245 |
400-510 |
18 |
|
|
16<t≦90 |
215-235 |
400-510 |
24 |
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