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ASTM A202 Pressure Vessel Steel Material and Grades:
Alloy System: **Chromium-Manganese-Silicon (Cr-Mn-Si)** Low-Alloy Heat-Resistant Steel2026-04-17 -
ASTM A204/A204M Grade B molybdenum alloy steel plates for pressure vessels feature superior chemical composition and mechanical properties compared to Grade A2026-04-10
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As a molybdenum-alloy steel plate for pressure vessels under the ASTM A204/A204M standard, A204 Gr.A is a low-alloy, high-strength material specifically designed for service conditions involving moderate temperatures (≤400°C) and moderate-to-high pressure2026-03-31
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Key Characteristics of P295GH Steel2025-12-22
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Characteristics of DIN 17102 WStE 255 Steel2025-12-19
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.


