It is a flat steel material which is poured with molten steel and pressed and cooled.
It is flat and rectangular and can be rolled directly or cut from a wide steel strip.
The steel plate is divided according to the thickness, the thin steel plate is <4 mm (the thinnest 0.2 mm), the medium-thick steel plate is 4 to 60 mm, and the extra-thick steel plate is 60 to 115 mm.
The steel sheet is divided into hot rolling and cold rolling.
The width of the sheet is 500~1500 mm; the width is 600~3000 mm. The thin plates are divided into steel grades, such as 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; according to professional use, there are oil drums, Enamel plate, bulletproof plate, etc.; according to the surface coating layer, there are galvanized sheet, tin plate, lead plate, plastic composite plate.