Steel Plate, also known as mild steel plate, is easy to cut, form, weld, and machine. It is structural quality steel and is widely used in construction and industrial applications. Base plates, road plates and trench covers are made of steel plate. Iron & Steel Plates popular and economical product that is used for industrial applications. With its smooth and shiny finish, it is used for trim, fuel tanks, food and chemical handling and more. It is available in stock sizes and custom cuts and shapes. .