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Typical uses of stainless steel
Most of the requirements of the long-term use of the building to maintain the original appearance. In determining the type of stainless steel to be selected, the main criteria considered are the aesthetic standards required, the corrosivity of the site's atmosphere, and the cleaning regime to be used. However, more and more applications are seeking structural integrity or impermeability. For example, industrial building roofs and side walls (stainless steel pipe). In these applications, the owner's construction costs may be more important than the aesthetic, the surface is not very clean also. The use of 430 stainless steel in a dry indoor environment works quite well. However, in rural areas and cities, it is necessary to conduct regular cleaning if they want to maintain their appearance outdoors. In heavily polluting industrial and coastal areas, the surface can be very dirty and even produce rust. But to obtain the aesthetic effect of the outdoor environment, you need to use nickel-containing stainless steel. Therefore, 304 stainless steel is widely used in curtain wall, side wall, roof and other construction purposes, but in aggressive industrial or marine atmosphere, the best 316 stainless steel. Nowadays, people have fully realized the superiority of using stainless steel in structural applications. There are several design guidelines for 304 and 316 stainless steel. Because "Duplex" stainless steel 2205 combines good atmospheric corrosion resistance with high tensile and elastic strength, the European directive also includes this type of steel.