SA299 is a carbon-manganese-silicon alloy pressure vessel steel plate in the American ASTM standard (ASTM A299). It is specifically used to manufacture core pressure-bearing components such as boiler drums and pressure vessel shells under high temperature and medium-high pressure conditions. It belongs to the category of special structural steel for boilers and pressure vessels.
ASME SA299 chemical composition
|
C |
P |
S |
||||
|
SA299 GR.A |
0.28-0.30 |
0.13-0.45 |
0.84 -1.62 |
0.035 |
0.035 |
- |
|
SA299 GR.B |
0.28-0.30 |
0.13-0.45 |
0.84 -1.62 |
0.035 |
0.035 |
- |
Carbon Equivalent: Ceq=【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
ASME SA299 Mechanical Property
|
SA299 GR.A |
||||
|
t<=50 |
275-290 |
515-655 |
19 |
|
|
50<> |
275-290 |
515-655 |
19 |
|
|
SA299 GR.B |
t<=50 |
310-325 |
550-690 |
19 |
|
50<> |
310-325 |
550-690 |
19 |
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