Galvanized steel gratings are hot-dip galvanized on the surface of steel gratings. We all know that galvanization is a kind of rust-proofing. Galvanized steel generally will not rust.
However, if there are the following reasons, it will rust!
Galvanized steel grid rust has several situations:
One. Improper use. Galvanized steel gratings are severely damaged by the workers during the installation process, or the machine is damaged. Galvanized steel gratings will appear rusty.
Second, the use of environmental issues. The use of steel gratings in highly corrosive environments or immersed in corrosive seawater, or the inadvertent application of highly corrosive chemicals during use, can also rust galvanized steel gratings.
3. The steel grid plate handles the improper oxidation layer. Before the galvanization, the steel gratings are to be vulcanized or pickled, but now the price of steel gratings is fiercely competitive. In order to save costs, the manufacturers will save pickling or vulcanization.
4. The galvanized layer is too thin. If the pickling or vulcanization can not achieve the customer's desired price, they will also choose to reduce the galvanized layer (the galvanized layer is too thin) and the hot galvanized steel grid plate will rust.
Galvanizing is one of the methods for corrosion protection of steel grids. Genuine quality galvanizing is difficult to rust.
Prevent galvanized steel gratings from rusting: The first is to clean the steel gratings before galvanizing (after pickling); the second is to meet the quality standards for galvanized layer thickness; and the third is to use galvanized steel gratings in the process Be careful not to damage the galvanized layer. Damaged galvanized layers often have mechanical damage and corrosion, so galvanized steel gratings should not be mechanically damaged and corroded.
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