Boiler steel plate A516Gr55,pressure vessel steel plate SA516 Grade 55 are manly used for moderate and lower temperature welded boilers and other pressure vessels where improved notch toughness is important.Steel plate A516 Grade 55 supplied to steel standard A516/A516M shall conform to specification A20/A20M which specification for general requirements for steel plates for pressure vessels.These requirements outline the testing and retesting methods and procedures,permissible variations in dimensions,and mass,quality and repair of defects,marking,loading and so on.

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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,SB410 boiler steel plate,SB450 pressure vessel steel plate,SB480 steel plate,SB450M boiler steel plate,SB480M steel plate,SPV235 pressure vessel steel sheet,SPV315 steel plate,SPV355 boiler steel plate,SPV410 steel plate,SPV450 boiler plate,SPV490 steelp plate.

Chemical composition of Product analysis for SA516 Grade 55 pressure vessel steel plate (Max %)