... Q235 A,B Q345 A,B,C,D,E Q390 A,B,C,D,E Q420 A,B,C,D,E Q460 C,D,E ... Plate/Sheet: Products NameCarbon Structural Steel PlateSteel GradeQ235-A,B,C,DSpecifications5-120×1500-3660×LStandardGB/T3274- ... PlateSteel GradeQ295 A,B Q345 A,B,C,D,E Q390 A,B,C,D,EQ420 A,B,C,D,E Q460 C ... Bridge and Seasoned PlateSteel GradeQ235qC,D Q345qC,D,E Q370qC,D,ESpecifications8-100x1500-3500xLStandardGB/T714-2000 Products ...