ASTM A662 Grade A Pressure Vessel Steel is a type of carbon-manganese-silicon steel plate specified by ASTM (American Society for Testing and Materials) for manufacturing welded pressure vessels and boilers used in moderate to low-temperature service, known for good low-temperature toughness, with specific chemical limits for elements like Carbon, Manganese, and Silicon, requiring a normalized heat treatment for thicknesses over 40mm.
Mechnical property for A662 Grade A boiler steel:
|
275 |
400-540 |
200mm |
50mm |
|
20 |
23 |
||
►Chemical composition for A662 Grade A boiler steel (Heat Analysis Max%)
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Main chemical elements composition of A662 Gr.A |
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|
C |
P |
S |
|||
|
T<=50 |
0.14 |
0.15-0.40 |
0.90-1.35 |
0.035 |
0.035 |
: These carbon-manganese-silicon steel plates are mainly used for building moderate and lower temperature pressure vessels.A662 Grade A steel has to be done normalized heat treatment when rolling.
: Thickness*Width*Length 6-80mm*1500-4200mm*5000-18000mm
:Shop primer painting under SA2.5 standard


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