Why can galvanized steel coil resist corrosion? I galvanized steel manufacturers

Galvanized steel coil means the surface is covered with galvanized layer, can greatly improve the corrosion resistance, materials and resources can also be saved. Galvanized steel coil can effectively prevent corrosion, extend the service life. Galvanized steel coil(thickness of 0.25 ~ 3.0mm), also known as galvanized iron, commonly known as white iron. Galvanized steel coil is widely used in construction, vehicles, home appliances, daily necessities and other industries.

The protective effect of galvanized layer on galvanized steel coil mainly has the following situation:

1. The most common case that galvanized steel coil get scratches during processing, installation, or other reasons has been locally destroyed, the scratches will expose in the air. If the coating is non-metal material, the steel base exposed will soon be etched, but galvanized sheet coil has specific properties, so that the etching rate becomes very slow.

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2. When the surface of galvanized steel coil is good, zinc corrosion products have better protection of the zinc when only zinc corrosion occurs. The corrosion rate is very slow, the life is l5 ~ 30 times as non-galvanized steel coil.

If you want to import GOOD QUALITY Steel Coils from Vietnam, please contact us at:

– Email: datdq@namkimgroup.vn
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Galvanized steel manufacturers I Galvalume & Aluzinc Steel Coil Sheet ManufacturersI Pre painted galvalume steel manufacturers