Ordinary steel plate is the abbreviation of ordinary hot rolled carbon steel plate, generally refers to the thin Q235 steel plate series. Medium plate generally refers to more than 20mm to 50mm below the hot rolled plate.
Coil plate, as the name implies is refers to steel coil, will. Must be leveled before use, common thickness between 2mm-20mm, common material has Q235 steel , Q345 steel and so on, coil plate is also divided into hot rolled volume, cold rolled volume, stainless steel volume, pattern volume and so on. Generally refers to hot rolled thin coil.
Open plate refers to the steel plate after the coil plate is opened, the coil plate is not open is not used. Simply put, it is the steel plate that is spread out and cut into a certain length. In fact, the popular point is that the thick plate is directly tied out, and the open plate is cut through the roll plate.
According to the thickness is divided into thin steel plate (thickness<=4 mm) and thick steel plate (thickness>4 mm) medium plate.
In practice, the thickness<=20 mm steel plate is called medium plate, thickness between 20-60 mm steel plate is called thick plate, thickness>60 mm steel plate is called extra thick plate, collectively referred to as medium thick plate.
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