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SB450,SB450 steel plate,SB450 Boiler steel plate
Source:Xin Steel Industry Date:2012/12/26
SB450 boiler steel plate owned a higher yield strength and tensile strength comparing with pressure vessel steel plate SB410.Minimum yield strength of boiler steel plate SB450 shall be 245Mpa,and tensile strength of SB450 pressure vessel steel plate shall be within 450-590Mpa.Now we give the rolling chemical composition of SB450 steel plate in below table,for the thickness over 25mm,the content of carbon may be designated to be within 0.30%,and that of Mn may be within 1.00%.
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Other relative pressure vessel steel grades under steel standard ASTM and ASME are S/A204 Grade A boiler steel plate,S/A204 Grade B pressure vessel steel plate,S/A204 Grade C steel plate,S/A285 Grade A steel sheet,S/A285 Grade B boiler steel plate,S/A285 Grade C pressure vessel steel plate,S/A299 Grade A boiler steel plate,S/A299 Grade B steel plate,S/A302 Grade A alloy steel plate,S/A302 Grade B steel plate,S/A302 Grade C boiler steel plate,S/A302 Grade D pressure vessel steel plate,SB410 boiler steel plate,SB450 steel plate,SB480 pressure vessel steel plate,SB450M steel plate,SB480M boiler steel plate,SPV235 steel plate,SPV315 pressure vessel steel plate,SPV355 boiler steel plate,SPV410 steel plate,SPV450 boiler plate,SPV490 steel plate.
Chemical composition of Ladle analysis for SB450 pressure vessel steel plate (Max %)
|
Thickness |
C |
Si |
Mn |
P |
S |
|
T≤25 |
0.28 |
0.15/0.40 |
0.90 |
0.030 |
0.030 |
|
T>25 |
0.31 |