Various materials are used to build prefabricated stairs, one of which is steel. Such stairs require high accuracy and skill to build. Among the advantages of using this prefabricated model, we can mention their high durability and strength. What is used in the construction of such stairs is stainless steel. The dimensions of the stair tread in the steel sample are between 30 and 45 cm. Due to the addition of chromium to iron, steel railings entered the market. These models of stairs have minimized the amount of corrosion, the rate of expansion as well as the durability of steel stairs have been improved, and as you know, it is much easier to clean. All this made this product a suitable and routine tool for the home. The use of steel stairs in restaurants and even public places is very common.