... , S355J2, S355K2, S355NL6>. Standard: Special Condition Grade: WH60A, WH70B, BB41BF, BB503, CortenB, SHT60, Q550CFC, NR400ZL7>. GB 16Mn, 15MnV, 15MnVN, Q460CShipbuilding and Offshore ... , 38CrMoAL, 20CrMnMo, 12CrMoVNi, 30CrMnSiABridge Steel Plate: 1>. Standard: Special Condition Grade: 14MnNbq2>. GB Q235qC, Q345qC (16Mnq), Q370qC, Q420qCBuilding Structural Steel Plate ...