... JIS G3106 Grade: SM490B, SM520, SM5703>. DIN 17100 St 52-34>. Standard: DIN 17102 Grade: StE355, StE4605>. Standard ... Q550CFC, NR400ZL7>. GB 16Mn, 15MnV, 15MnVN, Q460CShipbuilding and Offshore Platform Steel Plate: Classification Society Certificate: CCS,DNV ... annealing, tempering, quenching, normalizing plus tempering, quenching and tempering, and other delivery states are available. Tests: HIC, SSC ...