The thickness of the steel plate is less than 700mm, the width is 1.6m-4.02m, and the length can be 17m. The general spot size is 12m to 14m. Zero-cut steel plates with a thickness of less than 400mm can be cut according to the drawing. The cutting equipment is usually flame cutting. Thin plates can be cut by plasma or laser. Thick plates can be cut by flame, wire or water.