GB/T 14978-2008 regulates continuous hot-dip aluminized zinc alloy platings and steel strips. The standard clarifies its classification, code, and stipulates the allowable deviation of size and shape. Appearance mass requirements are elaborated, and specific standards are also given for platings weight, composition, adhesion and other performance indicators. Provide the basis for the production and mass control of this type of steel plate and steel strip. Because of its excellent corrosion resistance and other characteristics, it is widely used in construction, home appliances and other industries to help improve the quality and service life of related products.