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DIN GB HC340LA Cold Rolled Coil Sheet Metal Coil Annealed Annealed . Description: Cold rolled coil is produced by pickling hot-rolled coil and rolling it uniformly at an appropriated temperature to a thinner thickness. It has excellent surface configuration and superb mechanical properties for use in automobile and electronic appliance production.Difference Between Hot and Cold Rolled Steel | Metal steel sheet black annealed cold rolled steel coilSep 11, 2014 · Cold rolled steel is essentially hot rolled steel that has had further processing. The steel is processed further in cold reduction mills, where the material is cooled (at room temperature) followed by annealing and/or tempers rolling. This process will produce steel with closer dimensional tolerances and a wider range of surface finishes.High Strength Cold Rolled Steel Coil Metal Waterproof Heat steel sheet black annealed cold rolled steel coilConstruction Cold Rolled Steel Coil , Galvanized Steel Coil Plate 0.6MM Thickness; SGCC Custom Cold Rolled Steel Coil For Industrial Environment Protection; Bright DC03 Grade Cold Rolled Steel Coil Stamping Fire Resistance; Annealing Cold Rolled Steel Coils Carbon Black Fixed With Steel Strip

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In the process of cold rolling, the steel is annealed, during which coils heat the steel to its melting point. The steel is then allowed to cool slowly to room temperature in still air. This annealing process recrystallizes the steel for greater ductility, but because the steel is worked at room temperature, it maintains its strength.KandilCold-rolled black annealed Products Properties: Cold-Rolled Black Annealed (CRBA) (also known as Blue Steel) is Cold Rolledsheets that have been oxidized by annealing in a special installation to produce a very thin magnetite layer (Fe304) on the surface (less than 1 m thick) for more protection.Prime 1020 Black Annealed Coils Cold Rolled Steel Coil steel sheet black annealed cold rolled steel coilChina wash steel China cold rolled steel coil China cam steels Similar products in other categories: Minerals & Metallurgy > Steel > Steel Coils (250072757)

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