... .1~3m,Length:1~6m 40Mn2 50Mn2 Alloy Steel Plate CommodityA572 Gr50 A709 A633D St52 S355JO S355JR S275NL 40Mn2 16Mn 15MnV low alloy steel plateThickness4-120mmWidth1500-3600mmLengthas custom ... , EH36, AH40, DH40, EH40, 2H Grade 50 Alloy Structural Steel Plate:Standard: Special ConditionGrade: 50Mn2V, 15CrMo, 20Mn2, 40Mn2, 20MnSi, 20CrMo, 30, 35CrMo, 42CrMo, 20Cr ...