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A299 Grade B SA299 Grade B A299GrB boiler pressure vessel steel plate
Source:Xin Steel Industry Date:2012/11/26
ASTM A299 Grade B boiler steel plate with minimum yield strength above 325 Mpa,and tensile strength within 550-690 Mpa.Comparing with pressure vessel steel plate A299 Grade A,yield strength above 290 Mpa and tensile strength within 515-655 Mpa,pressure vessel steel plate SA299 Grade B owned a higher values.Additional technical requirements for boiler steel plates SA299 Grade B such as simulated post-weld heat treatment,low temperature impcting test,drop weight test and high temperature tension test.Ultrasonice test have to be done for SA299 Grade B boiler steel plate when rolling in our steel mill.
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Other relative pressure vessel steel grades under steel standard ASTM and ASME are S/A387Gr11CL1 boiler steel plate,S/A387Gr11CL2 steel plate,S/A387Gr12CL1 alloy steel plate,S/A387Gr12CL2 pressure vessel steel plate,S/A387Gr22CL1 steel plate,S/A387Gr22CL2 boiler steel plate,S/A455 pressure vessel steel plate,S/A515 Grade 55 steel plate,S/A515 Grade 60 steel sheet,S/A515 Grade 65 boiler steel plate,S/A515 Grade 70 pressure vessel steel plate,S/A516 Grade 55 boiler steel plate,S/A516 Grade 60 steel plate,S/A516 Grade 65 alloy steel plate,S/A516 Grade 70 steel plate,S/A533 Grade A CL1 boiler steel plate,S/A533GrAcl2 pressure vessel steel plate,S/A533GrACL3 steel plate,S/A533GrB boiler steel plate,S/A537CL1 steel plate,S/A537CL2 boiler steel plate,S/A537CL3 steel plate.
Chemical composition of Product analysis for SA299 Grade B pressure vessel steel plate (Max %)
|
A299 Grade B |
Main chemical composition of A299 Grade B | ||||
|
C |
Si |
Mn |
P |
S | |
|
T≤25 |
0.28 |
0.13-0.45 |
0.84-1.52 |
0.035 |
0.035 |
|
T>25 |
0.30 |
0.84-1.62 | |||