... 4. GB JIS BV DNV RINA EH CCS Ship plate Grade: A/B/AH32/AH36/D/DH32/DH36/E/EH32/EH36 ... steels for bridgesQ235q, Q345q,Q370q,Q420qGB/T714—20005Hot-rolled steel plates for plasticMouldsSM3Cr2Mo,SM3Cr3NiMoYB/T107—19976Hull structural steelsH 6~160W 1500 ... ,E,A32,D32,E32,A36,D36,E36GB712—2009Rules of classificationsociety7Steel plates for boilersH 6~120W 1500~3600L 6000~1800020g,16MngGB713—19978Steel ...