"Stainless steel" is not merely the term refers to a stainless steel, but said more than one hundred kinds of industrial 409 stainless steel plate, stainless steel are developed each in stainless steel 304ba specific fields of application with good performance. The key to success is to understand the purpose of the first, and then determine the correct steel. Further details can be found on stainless steel prepared by the NiDI "stainless steel guide" floppy disk. Fortunately, building construction and steel-related applications are usually only six of them. They contain 17 to 22% chromium, preferably of steel further contains nickel. Adding molybdenum can be stainless steel plate improved atmospheric corrosion, especially resistant to corrosion in chloride-containing atmosphere. Experience has shown that the degree of corrosion of the atmosphere varies from region to region. For ease of explanation, proposed to be divided into four areas, namely: rural, urban, industrial areas and coastal areas. Country is essentially pollution-free zone. Low population density of the area, only non-polluting industries. Typical urban residential, commercial and light industrial areas, the region has a mild contamination, such as traffic pollution.
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