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Pressure vessel steel plate S/A203 Grade D,A203 Gr.D
Source:Xin Steel Industry   Date:2012/11/15

Under steel specification ASTM A 203/A 203 M and SA 203/SA 203M, there are Nickel alloy boiler steel plate SA203 Grade D,pressure vessel steel plate A203 Grade D.The steel plate A203 Grade D intended primarily for welded pressure vessels. As a steel making practice, the steel shall be killed and shall conform to fine grain size requirements.Generally, for steel grades SA203 grade A,SA203 Grade B and SA203 Grade D and SA203 Grade E,the heat treatment shall be done Normalized.For pressure vessel steel plate SA203 Grade F,the heat treatment shall be Quenched and Tempered.


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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 Ladle analysis for SA203 Grade D 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

3.25/

3.75

T>50

0.20

0.80