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Color coated corrugated board is also called pressure plate. By rolling, cold bending made of a variety of corrugated pressure plate. Suitable for industrial and civil buildings, warehouses, special buildings, long span steel structure of the roof, wall and exterior wall decoration.
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Corten-A corrosion resistant plate (corrosion-tensile? steel) namely: atmospheric corrosion resistance,high tensile steel (atmospheric corrosion-resistant,high-strength? steel). Corten-A steel, based on weathering? steel), is in ordinary steel with a little copper, chromium, phosphorus, and other elements, and made of special treatment, its weather resistance and corrosion resistance, than ordinary steel material is three to eight times higher. Corten-A can be divided into four types according to its species and uses: COR-TEN? A, COR-TEN? B. COR-TEN? C) COR-TEN? B minus QT. COR-TEN? The weather-corrosion resistance of A is five to eight times better than that of ordinary steel, while COR-TEN? B is four times.
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Cold rolling is made of hot rolled plate coil as raw material, rolled at normal temperature under the recrystallization temperature, cold rolled steel plate is produced by cold rolling process, referred to as cold plate. The thickness of cold-rolled plate is generally between 0.1 and 8.0mm, and the thickness of cold-rolled plate produced by most factories is below 4.5mm. The thickness and width of cold-rolled plate are determined by the equipment capacity of each factory and the market demand.
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Hot rolled steel plate is made of continuous casting slab or rolling slab as raw material, heated by stepping furnace, descaled by high pressure water into roughing mill, roughing mill through cutting head, tail, and then into finishing mill, implementation of computer controlled rolling, after the final rolling after laminar cooling (computer controlled cooling rate) and coiler winding, straight coil. The head and tail of straight hair curl are often tongue and fishtail, and the thickness and width are poor. The edge often has defects such as wave shape, hem and tower shape. Its coil weight is heavy, the inner diameter of the steel coil is 760mm.
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Round steel is classified as hot rolled, forged and cold drawn. Carbon steel can be divided into low carbon steel, medium carbon steel and high carbon steel according to its chemical composition. According to the use can be divided into carbon structural steel, carbon tool steel.
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The structural layers of the color coated steel sheet from the inside to the outside are base material(cold rolled steel,galvanized steel), zinc/alzinc coating, chemical conversion coating.primer and finished coating. This kind of plate has novel surface color, strong adhesion, good corrosion resistance and decoration, and good processing performance, and can be cut, bent, drilled, riveted, crimped and so on.
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