... KP42, A48CPR, SA612M, 07MnNiMoVDR, 07MnCrMoVR, 12MnNiVR, WDB620 / Q500FC7>. GB Q245R, Q345R, 16MnDR, Q370R, 09MnNiDR, 18MnMoNbR, 15MnNiDRHSLA/ High Strength ... WH70B, BB41BF, BB503, CortenB, SHT60, Q550CFC, NR400ZL7>. GB 16Mn, 15MnV, 15MnVN, Q460CShipbuilding and Offshore Platform Steel Plate: ... Q420GJC, Q460GJCHigh Quality Carbon Steel Plate: 1>. ASTM 10252>. GB 20Mn, 50Mn, 10#, 20#, 25#, 30#, 35#, 40 ...