Heat-treated wide and thick steel plates are steel plates processed through special heat treatment techniques, primarily used in applications requiring high strength and wear resistance, such as heavy machinery, construction structures, shipbuilding, and pressure vessels. These steel plates typically have a thickness exceeding 60 mm and widths reaching several meters, making them suitable for the manufacture of large structural components. After heat treatment, wide and thick carbon steel plates exhibit improved strength, toughness, and wear resistance, making them suitable for manufacturing heavy mechanical equipment, automotive parts, construction machinery, and other fields. 430 stainless steel heat-treated wide and thick plate is a ferritic stainless steel material suitable for applications requiring corrosion resistance but not subjected to extreme chemical stresses, such as household appliances, interior architectural decoration, kitchenware, and certain automotive components.