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The demand for reliable materials in cryogenic service applications has increased significantly with the rapid growth of LNG terminals, industrial gas storage facilities, and low-temperature pressure vessels.2026-06-24
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As the global demand for liquefied natural gas (LNG) continues to grow, the need for reliable materials for cryogenic storage systems has become increasingly important.2026-06-18
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For engineers specifying materials for cryogenic pressure vessels, finding the balance between strength and ductility at sub-zero temperatures is challenging.2026-06-12
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In industries where equipment must operate reliably under freezing or cryogenic conditions, material selection becomes a matter of safety and structural integrity.2026-06-01
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While both ASTM A203 Grade B and ASTM A106 Grade B serve critical roles in industrial applications, they are fundamentally different in composition, purpose, and performance.2026-06-01
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.