Steel plate It is a flat steel that is poured with molten steel and pressed after cooling. It is flat, rectangular, and can be rolled directly or cut from wide steel strips. The steel plate is divided by thickness, thin steel plate <4 mm (the thinest 0.2 mm), medium thickness steel plate 4~60 mm, extra thick steel plate 60~115 mm. Steel plate by rolling points, hot rolling and cold rolling. The width of the sheet is 500~1500 mm; The width of the thick is 600 to 3000 mm. Sheet steel is divided into ordinary steel, high-quality steel, alloy steel, spring steel, stainless steel, tool steel, heat-resistant steel, bearing steel, silicon steel and industrial pure iron sheet, etc. According to the professional use, there are oil drum board, enamel board, bulletproof board, etc.; According to the surface coating layer, there are galvanized sheet, tin plate, lead plate, plastic composite steel plate, etc. Checked plate Checker plate , also known as Tread plate and diamond plate, is a…