Typical use of stainless steel

Most of the use requirements are to maintain the original appearance of the building for a long time. When determining the type of stainless steel to be selected, the main consideration is the required aesthetic standards, the corrosiveness of the local atmosphere and the cleaning system to be used. However, other applications are increasingly simply seeking structural integrity or impermeability. For example, the roofs and side walls of industrial buildings. In these applications, the owner's construction cost may be more important than aesthetics, and the surface is not very clean. 304 stainless steel works quite well in dry indoor environments.
However, in rural and urban areas, if you want to maintain its appearance outdoors, it needs to be cleaned frequently. In heavily polluted industrial areas and coastal areas, the surface will be very dirty and even rust. However, to obtain the aesthetic effect in the outdoor environment, it is necessary to use nickel-containing stainless steel. Therefore, 304 stainless steel is widely used in curtain walls, side walls, roofs and other architectural purposes, but in the industrial or Marine atmosphere with serious erosion, it is best to use 316 stainless steel. Several design guidelines include 304 and 316 stainless steel.
Because "duplex" stainless steel 2205 has combined good atmospheric corrosion resistance with high tensile strength and elastic limit strength, this steel is also included in the European guidelines. In fact, stainless steel is manufactured in a full standard metal shape and size, and there are many special shapes. The most commonly used products are made of sheet and strip steel, and special products are also made of medium and thick plates, for example, the production of hot rolled structural steel and extruded structural steel. There are also round, oval, square, rectangular and hexagonal welded pipe or seamless steel pipe and other forms of products, including profiles, bars, wires and castings. In order to meet the aesthetic requirements of architects, a variety of different commercial finishes have been developed.