Hot Selling Galvanized Steel Coil and Sheet

Posted:10/10/2016 10:38:36 PM

Galvanized steel coil and sheet are our main products. Bebon can offer cold rolled galvanized steel, electric galvanized steel and hot dipped galvanized steel sheets and coils. Welcome to inquiry.

Hot Selling Galvanized Steel Coil and Sheet
Galvanized sheet or coil is defined as a carbon steel sheet coated with zinc on both sides. Continuous hot dipping, or electro-galvanizing are the two processes used to produce galvanized sheet and coil. Generally speaking, the hot dip process consists of passing the steel through a bath of molten zinc. The electro-galvanizing process consists of the application of zinc by electrolytic disposition. The result is a layer of zinc tightly adhering to the base metal through an iron-zinc bonding layer.
A zinc coating is one of the most effective and economical methods of protecting bare steel from a corroding environment. The zinc not only serves as a barrier between the steel and the environment, it will sacrifice itself to protect the underlying steel sheet. Sacrificial, or galvanic protection occurs when two dissimilar metals are in contact and coupled with water and oxygen. Zinc corrodes preferentially to the iron in steel. This protection prevents corrosion of the steel at areas not covered with zinc. Thus, the spread of corrosion from cut edges, drill holes, etc. is minimized.
Main products for cold rolled galvanized coils have SPCC, SPCD, and SPCE. The hot dipped gi coil grades include DC51D+Z /DC51D+ZF, SGCC, SGCD and SGCE. The electric gi coil grades have SECC, SECD, and SECE.

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