Tel : 0086-021-60880117
Tel : 0086-021-60880117
SA662 Grade A is a steel plate material used in the manufacture of boiler and pressure vessel, Obviously, SA662 is divided into three grades or levels :SA662 Gr. A, SA662 Gr. B, SA662 Gr. C .
Standard: ASME SA-662/SA-662M
Dimension range :3mm -500mm x 1000mm-4000mm x 1000mm-18000mm
SA662 Grade A 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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SA662Gr.A |
mm |
Min Mpa |
Mpa |
Min % |
- |
J |
|
5≤t≤50 |
275 |
400-540 |
23% |
- |
||
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50≤t≤150 |
275 |
400-540 |
20% |
|
- |
|
|
Note: Impact energy for impact test is on longitudinal |
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SA662 Grade A 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 |
|
|
SA662Gr.A |
0.14 |
0.13~0.45 |
0.84-1.46 |
0,035 |
0,035 |
- |
- |
Delivery Status : Quenching + tempering
ASME SA662 Grade A pressure vessel steel application :
SA662 Grade A 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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