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Boiler steel plate A203 Grade A,SA203 Grade A pressure vessel plate
Source:Xin Steel Industry   Date:2012/11/15

Nickel alloy pressure vessel steel plate A203 Grade A under ASTM A203/A203M,pressure vessel steel plate SA203 Grade A under ASME SA203/SA203M.Generally when rolling A203 Grade A pressure vessel steel plate,the heat treatment shall be Normalized,if the end user demands,Xinsteel also can do Tempered for boiler steel plate A203 Grade A,the minimum tempering temperature shall be above 595 centigree,and the tempered time shall be above half an hour.Besides,the general technical requirements shall be followed with steel standard (S)A20/(S)A20M.


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Other relative pressure vessel steel grades under steel standard ASTM and ASME are S/A203 Grade A boiler steel plate,S/A203 Grade B steel plate,S/A203 Grade D alloy steel plate,S/A203 Grade E pressure vessel steel plate,S/A203 Grade F steel plate,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.

 

Chemical composition of Ladle analysis for SA203 Grade A pressure vessel steel plate (Max %)

 

Thickness

C

Si

Mn

P

S

Ni

T≤50

0.17

0.15/0.40

0.70

0.035

0.035

2.10/

2.50

T>50

0.20

0.80