Hot Selling Cast Iron Used Spiral Staircase with Steel Railings

The structure of the iron spiral staircase mainly consists of components such as central columns, step boards, platform boards, and railings. According to the different load-bearing methods, iron spiral stairs can be divided into various types such as central column, curved plate, curved beam, and suspended type. Among them, the central column iron spiral staircase is the most common type, which supports the weight of the entire staircase through the central column, and the step board spirals up around the central column.

The spiral upward design of the iron spiral staircase allows the staircase to occupy less space in the vertical direction, thereby improving the utilization of space. The smooth lines and continuous rotating movements give the iron spiral staircase a unique visual beauty, becoming the focus of interior decoration. Iron materials have high strength and hardness, which can withstand large loads and ensure the long-term safety of stairs. Iron materials have a smooth surface, are not prone to dust accumulation, and are easy to clean and maintain.