... G A36 AND ST37 CARBON STEEL COILS AND PLATES WITH 1.1MM AND 1.4MM THICKNESS Specificate1.Thickness: 5-200mm2. Width: ... Steel Plate: GB Q235GJC, Q345GJC, Q390GJC, Q420GJC, Q460GJCHigh Quality Carbon Steel Plate: 1>. ASTM 10252>. GB 20Mn, 50Mn, 10#, 20#, ... L360), X56 (L390), X60 (L420), X65, X70Quenching and Tempering High Tensile Steel Plate: Standard: Special ConditionGrade: WH70Q, WQ590D, Q550DThe ...