... ,UT TEST D/D H13/1.2344 HOT ROLLED STEEL FLAT BAR 1)Comparable steel:H13(USA,ASTM ... .20 3) Delivery condition: EAF or ESR;hot rolled or forging;black,machined surface;Anneling,Hardness: ... Round bar:Thickness: 60~350mm, Length:2500~4000mm .Flat bar:Thickness: 20~300mm,Width: 205~2200mm,Length:2500 ... treatment and so on. 6)Application:Used for making hot squeezing mould,forging mould,embedded lump,like:alloy ...