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Advanced high strength color coated steel coil
1. In the early stage, based on cost considerations and non stamping requirements, it has been one of the methods to improve the yield strength of color coated steel plates by using common CQ steel to conduct full hard or semi full hard treatment. However, with the continuous development of the market and user's equipment and technology, the processing formability requirements of color coated steel plates have been continuously improved, and the products produced by the low-temperature annealing process of all hard steel can not fully meet the user's requirements.
2. At the same time, the high strength and high toughness of the color coated steel plate products are conducive to improving its wind exposure resistance, reducing the substrate thickness and user costs.