... RINA EH CCS Ship plate Grade: A/B/AH32/AH36/D/DH32/DH36/E/EH32/EH36/F/F32/F40 Class Cert ... —19976Hull structural steelsH 6~160W 1500~4200L 6000~18000A,B,D,E,A32,D32,E32,A36,D36,E36GB712—2009Rules of classificationsociety7Steel ... =5a1200lengthwayscrosswise≥A≤50235400~49022///d=2a/B02720/d=3aD-10E-40AH32≤50315440~5902203122/d=3aDH32-20EH32-40AH36≤50355490~6202103424/d=3aDH36-20EH36-40Supply worldwide ...