High-strength plates are generally categorized as Q390, Q420, Q460, Q500, Q550, and Q690. Different steel mills have different mill standards, such as Ansteel's AH60, which is also called Q460, and Wuhan Steel's WH HG60, etc., all with the same performance but different names. High-strength plate AH60, Q460: This product is widely used in various construction machinery, such as drilling machines, electric shovels, electric wheel loaders, mining vehicles, excavators, loaders, bulldozers, cranes of all types, and hydraulic supports for coal mines, as well as other structural components. High-strength plates are roughly divided into Q390, Q420, Q460, Q500, Q550, and Q690. Moreover, different steel mills have different mill standards, such as Ansteel's AH60 and Wuhan Steel's WH HG60, all with the same performance but different names. When it comes to prices, there are many variations, as prices differ by region and time. Currently, the market price is used to categorize the plates.