... Grade 65, A516 Grade70, A537 Class 1, A537 Class 2 SA285 Grade C, SA662 Grade C, SA515 Grade 60, ... 16MnDR, Q370R, 09MnNiDR, 18MnMoNbR, 15MnNiDR8>. SA387 Gr22 CL2 (2.25Cr-1Mo) Hydrogen-contacting Steel PlateHSLA/ High Strength Low Alloy ... Grade: WH60A, WH70B, BB41BF, BB503, CortenB, SHT60, Q550CFC, NR400ZL7>. GB 16Mn, 15MnV, 15MnVN, Q460CShipbuilding and Offshore Platform Steel Plate: Classification ...