... 45#,50#,65Mn,Brass, copper, Aluminium2.Other Standard: BS4320, Din125, Din9021, Din126, Din433, Din436, Din440,Din7989,Din6916, Din7349, F436, ... galvanized, epoxy-coated, etc DIN90211.various kinds of din9021 available.2.high quality competive price.3.material of ... treatment:Passivation,Galvanized,dacromet or according require.5.our din9021 can be made with different international standards according ...