... A,B Q345 A,B,C,D,E Q390 A,B,C,D,E Q420 A,B,C,D,E Q460 C,D,E ... A,B Q345 A,B,C,D,E Q390 A,B,C,D,EQ420 A,B,C,D,E Q460 C,D,ESpecifications5- ... Products NameNormal Strength Hull Structural Steel PlateSteel GradeA,B,D,ESpecifications6-60×1500-3500×LStandardGB712-2000 Products ... Name Bridge and Seasoned PlateSteel GradeQ235qC,D Q345qC,D,E Q370qC,D,ESpecifications8-100x1500-3500xLStandardGB/T714-2000 Products ...