Tel : 0086-021-60880117
Tel : 0086-021-60880117
A662 Grade B is a steel plate material used in the manufacture of boiler and pressure vessel, Obviously, A662 is divided into three grades or levels :A662 Gr. A, A662 Gr. B, A662 Gr. C .
Standard: ASTM A-662/A-662M
Dimension range :3mm -500mm * 1000mm-4000mm * 1000mm-18000mm
A662 Grade B steel plate/sheet Mechanical Properties :
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Mechanical Properties
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|
Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
|
Degree |
Min Value |
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A662Gr.B |
mm |
Min Mpa |
Mpa |
Min % |
- |
J |
|
5≤t≤50 |
275 |
450-585 |
23% |
- |
||
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50≤t≤150 |
275 |
450-585 |
20% |
|
- |
|
|
Note: Impact energy for impact test is on longitudinal |
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A662 Grade B Boiler steel plate Chemical Composition :
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Chemical Composition
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
N |
Al |
|
|
A662Gr.B |
0,22 |
0.13-0.45 |
0.79-1.62 |
0,035 |
0,035 |
- |
- |
Delivery Status : Quenching + tempering
ASTM A662 Grade B pressure vessel steel application :
A662 Grade B steel plate is mainly used in petroleum, chemical industry, power station, boiler and other industries, for the production reactor, heat exchanger, separator, spherical tank, oil tank, liquefied gas tank, nuclear reactor pressure shell, boiler drum, liquefaction Oil cylinders, high-pressure water pipe hydropower station, turbine volute and other equipment and components.
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