... Structural Steel Plate:1)Grade: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 2)Specifications:3)Standard:GB/ ... Hi-strength Structural Steel PlateSteel GradeQ295 A,B Q345 A,B,C,D,E Q390 A,B,C,D,EQ420 A,B,C,D,E Q460 C,D,ESpecifications5-120×1500-3660×LStandardGB/ ... Products Name Building Structural PlateSteel GradeQ235GJB/C/D/E(Z15,Z25,Z35) Q345GJB/C/D/E(Z15,Z25,Z35)Specifications8-100× ...