Thick steel plate
refers to the collective name for steel plates with a thickness of 4 mm or more. In actual work, a steel plate with a thickness of less than 20 mm is often referred to as a middle plate and has a thickness of more than 20 mm.
The 60mm steel plate is considered as the thick plate, and the steel plate with a thickness of more than 60mm is required to be rolled on a special plate mill, so it is called a special thick plate.
Thickness of steel plate ranging from 0.6mm to 3.0mm. According to their purposes, the thick plates are divided into shipbuilding steel plates, bridge steel plates, boiler steel plates, high-pressure vessel steel plates, pattern steel plates, automotive steel plates, armored steel plates, and composite steel plates.