... Width:bleow 3000mm Ceritification:ISO9001,BV,SGS heavy steel plate--Materials:Grade/MaterialsRegulation(mm)StandardthicknesswidthlengthA515 Gr.55-70, ... 20000 S355JR,S355J2, S355K28~1501500~40005000~20000EN10025-3S420M,S420NL, S460M,S460NL8~1501500~40005000~20000EN10025-4A572GR42/50/608 ... ,prssure vessel equipment etc.--Mill:WISCO,BAO STEEL,SHOUGANG GROUP,WUYANG GROUP,ANSHAN GROUP--refereced Matreial ...