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Corrugated galvanized steel roofing is made from galvanized steel coils that are processed on a roll forming machine. According to the difference of galvanizing, it is divided into large zinc flower and zero zinc flower. According to the production method, it can be divided into hot-dip galvanized steel, electro-galvanized steel and alloy galvanized steel. Double coating weight for corrugated galvanized steel roofs is 20-700 g/m2 according to ASTM tests. The most commonly used corrugated galvanized steel sheets for construction applications are Z275 and Z450, with galvanizing amounts of 275g/m2 (minimum thickness of single-sided coating of steel sheets is 19μm) and 450g/m2.
Anti-wood coated galvanized corrugated sheet is a kind of building material. It is a profiled board made of galvanized sheets, color-coated steel sheets and other metal sheets that are rolled and cold-bent into various corrugated shapes. Different from the color steel plate, the coating of the corrugated board is galvanized, while the color steel plate has an organic coating. Therefore, corrugated board has a longer service life and better anti-corrosion properties. For building structures, it can reduce the weight of the building and reduce the pressure on the foundation of the building. It is especially suitable for roofs, walls and interior and exterior wall decoration of large-span steel structure houses.
It is often used in factory construction, agricultural warehouses, residential prefabricated components, walls and roofs, rainwater pipes, balcony railings, newsstands, cold storage, etc.
Quanshuo Metal Materials Co., Ltd. is a leading supplier of steel and other metal products in China. As an ISO9001:2015 certified enterprise, the products we produce meet the standards of ASTM, AISI, BS, DIN, JIS, etc.
