... hot dip galvanized7.Top:plain or serrated8.Standard:ANSI/NAAMM(MBG531-88),BS4592-1987,AS1657-19859.Processes: Mould -- Feeding -- Welding -- Cutting -- Edging -- Galvanizing ... ,76,100,101.6mm4MaterialQ235,A36,SS3045Surface treatmentBlack, hot dipped galvanising, paint6StandardChina: YB/T 4001.1 ... steel Types: serrated and plainFinishes: electro galv, hot dipped galv, according to the difference surface ...