... -13000mm 5. (S)A516 G Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR) Specificate1.Thickness: 5 ... Certificate: CCS,DNV,GL,LR,BV,ABS,NK,KR,RINAGrade A, B, D, E, AH32, DH32, EH32, AH36, DH36, EH36, AH40 ... steel plates as customers' requirement. Mild steel checker plate(Q235B,SS400,St37-2,St52,ASTM A36,A283GRC,S235JR)