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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
A St 45 steel
A St 45 steel is a weldable pressure vessel and boiler steel grade used by the world's industrial fabricators.
A St 45 steel
A St 45 steel Chemical Composition:
|
Grade |
C. % |
Mn.% |
S. |
N |
Cu |
Nb |
Ti. |
Si. |
P. |
AL |
Cr. |
Mo. |
Ni |
Vi |
|
AST45 |
0.08-0.2 |
0.90-1.50 |
0.015 |
0.012 |
0.30 |
0.020 |
0.03 |
0.40 |
0.025 |
0.020 |
0.30 |
0.08 |
0.30 |
0.02 |
A St 45 steel Mechanical Property:
|
Grade |
Type |
Thickness mm |
Yield strength Mpa(min) |
Tensile Strength MPa |
Elongation % (min) |
Impact Energy (KVJ) (min) |
||
|
-20° |
0° |
+20 |
||||||
|
A ST 45 |
Normalized |
≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250 |
295 |
460-580 |
21 |
27 |
34 |
40 |
|
290 |
460-580 |
21 |
27 |
34 |
40 |
|||
|
285 |
460-580 |
21 |
27 |
34 |
40 |
|||
|
260 |
460-580 |
21 |
27 |
34 |
40 |
|||
|
235 |
440-570 |
21 |
27 |
34 |
40 |
|||
|
220 |
430-570 |
21 |
27 |
34 |
40 |
|||
A St 45 steel is one of mainly products of BEBON STEEL. We have registered a large number of ex-stock. If you require A St 45 steel, we can send goods to you immediately. So, if you are interested in A St 45 steel, please contact us.


