... 5. (S)A516 G Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR) Specificate1.Thickness: 5-200mm2. Width ... WH60A, WH70B, BB41BF, BB503, CortenB, SHT60, Q550CFC, NR400ZL7>. GB 16Mn, 15MnV, 15MnVN, Q460CShipbuilding and Offshore Platform Steel Plate: Classification Society ... plates as customers' requirement. Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR)