Black sheet is one of the flat steel products, which is very useful in downstream steel industries. According to the application of this product, the dimensions of the black sheet can be different.
One of the important factors in the final product of flat steel is the dimensions of the black sheet. In order to use the right black sheet in your desired application, it is necessary to consider the exact dimensions. The dimensions of the black sheet can be customized and according to the customer’s request, or it can be produced in a series of common dimensions.
What is meant by the Dimensions of the Black Sheet?
First, it is better to have a basic definition of this product. In fact, black sheet is the final product of semi-finished products such as slabs and billets. The rolling process here is hot rolling, which leads to a dull and dark surface due to rust and oxidation during production. Because of this matte and dark surface, this sheet is called black sheet.
Now, the question is what is the meant by the dimensions of the black sheet? These dimensions mean the thickness, width and length of the black sheet. These dimensions directly affect the weight of the black sheet. According to the needs of customers and according to common applications in the industry, this sheet is offered in the market with specific dimensions.
Types of sheets according to the Dimensions of the Black Sheet
The main factor in the classification of black sheet according to its dimensions is its thickness. According to the thickness of the black sheet, if this value is less than or equal to 3 mm, it is called a thin black sheet. If the thickness of the sheet is more than 3 mm, then it is called thick black sheet. Two famous grades for construction and industrial sheets are ST37 and ST52, respectively.
Common thicknesses of thin black sheet production in Iran are 2, 2.5 and 3 mm. While in foreign brands such as Russia, 1.5 mm thickness is also sold in the market. Other dimensions of warm sheets are available as 2×1, 2.5×1.25, 6×1.25 or 1, 1.25 and 1.5 width. In terms of application, thin bar hot sheet is widely used in the profiling industry.
The producers of black paper in Iran are various factories. Each of them produces this product in different sizes.