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Properties Of Steel Sheet

The service life of high quality PPGI corrugated roofing sheet has been prolonged for a long time, mainly because its corrosion resistance has been improved. In the same humid environment, aluminized zinc plate, stainless steel plate and aluminum plate are compared with it. Its oxidation and corrosion degree is slow, and the corrosion degree of stainless steel plate is fast. During the whole development process of galvanized sheet industry, some experts questioned whether the section of the galvanized sheet would be corroded. It has been proved that the section has been cut, but the corrosion resistance is still very good. Low cost Galvanized Corrugated Steel Sheet combines zinc antioxidant properties.

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In the process of metal plating, the technology of single metal coating is basically similar to that of many kinds of metal plating, and the continuous melt plating process is adopted. High quality PPGI corrugated roofing sheet is a kind of zinc coating synthesized by the metal plating process. Zinc-based zinc coating can reach 43%, and with a small amount of metal silicon in it. Recently, more and more attention has been paid to the service life of materials in the automotive industry. Using high quality cold rolled steel coil China can not meet the requirements of corrosion resistance. In this case, hot-dip galvanized sheets with good corrosion resistance and low cost have been widely favored by automobile manufacturers.

In recent years, the amount of coated steel sheet used in automobiles has been increasing, and it has become the main body of automobile sheet. Every country in the world is studying how to enlarge the variety and specification of coated sheet, improve the coating technology and then improve the quality of galvanized sheet, that is, corrosion resistance, powder spalling resistance, coatability and weldability.

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