... Wugang brand of Large and special thickness, single heavy steel plate variety series ClassificationRepresentative gradeStandard Large thickness of the ... structural steelQ345A(B,C,D,E)S355N,S355NLA572Gr42(50)16MnD20,50, ... P355NH, P355NL1, P355NL2P355NL2, A516Gr55(60,65,70)A299A517GrQ(A,B,E,F, H , P,S,)EN10028-3:2003ASTM A516 ...