... Q345 A,B,C,D,E Q390 A,B,C,D,E Q420 A,B,C,D,E Q460 C,D,E 2)Specifications:3 ... B Q345 A,B,C,D,E Q390 A,B,C,D,EQ420 A,B,C,D,E Q460 C,D,ESpecifications5-120× ... Name Building Structural PlateSteel GradeQ235GJB/C/D/E(Z15,Z25,Z35) Q345GJB/C/D/E(Z15,Z25,Z35)Specifications8-100× ... NameHot-rolled Welding Structural Heavy PlateSteel GradeSM400A,B,C SM490A,B,CSpecifications5-100×1500-3500×LStandardJISG3106-1995 ...