... AND ST37 CARBON STEEL COILS AND PLATES WITH 1.1MM AND 1.4MM THICKNESS Specificate1.Thickness: 5-200mm2. Width: ... 20Cr, 40Cr, 10CrMoAL, 38CrMoAL, 20CrMnMo, 12CrMoVNi, 30CrMnSiABridge Steel Plate: 1>. Standard: Special Condition Grade: 14MnNbq2>. GB Q235qC, Q345qC (16Mnq), ... Q235GJC, Q345GJC, Q390GJC, Q420GJC, Q460GJCHigh Quality Carbon Steel Plate: 1>. ASTM 10252>. GB 20Mn, 50Mn, 10#, 20#, 25#, 30#, 35 ...