P355NL2 pressure vessel steel plate shall be done low temperature impacting test under minus 50 centi degree.The normal mill test certificate for P355NL2 boiler steel plate shall be issued according to EN 10204 3.1B.The original mill test certificate for each steel plate shall be followed with our plates when delivery.On this quality certificate,it must be indicate the Heat No. Batch No.Specifications,Unit weight,Total weight,Chemical compositions,Mechnical property (Yield strength values and tensile strength values) and other additional technical testing and velues.

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Other relative pressure vessel steel grades under steel standard EN 10028 are p355q steel plate,p355qh steel plate,p355ql1boiler steel plate,p460q pressure vessel steel plate,p460qh steel plate,p460ql1boiler steel plate,p355ql2 pressure vessel steel plate,p460ql2 steel sheet,p500q steel plate,p500qh boiler steel plate,p500ql1 pressure vessel steel plate,p500ql2 steel plate,p690q steel plate,p690qh boiler steel plate,p690ql steel plate,p690ql2 pressure vessel steel plate,p355m steel plate,p355ml1 boiler steel plate,p355ml2 steel plate,p420m boiler steel plate.

Chemical composition of Ladle analysis for P355NL2 boiler steel plate (Max %):