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| Company：Wanda Apartment, Yuhua District, Shijiazhuang City,Hebei Province, China |
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| Detailed answers to the maintenance and cleaning o |
Experience has shown that atmospheric corrosion degree varied from region. For illustrative purposes, it is suggested that the region is divided into four categories, namely: country, city, industrial area and coastal areas. The countryside is basically no pollution area. The population density is low, only pollution-free industries. City is a typical residential, commercial and light industry area, the area inside the light pollution, such as traffic pollution. Industrial zone of major industrial air pollution caused by area. Formed by the pollution can be caused by fuel gas, such as sulfur and nitrogen oxides, or other gas release is a chemical plant or plant. Suspension of particles in the air, like the iron and steel production process of dust or iron oxide deposition will increase the corrosion.
Coastal areas are usually refers to the area within a mile away from the beach. However, Marine atmosphere can spread to deep in the interior, especially on the island, prevailing winds from the sea, and the weather. Britain, for example, climate condition is so so, so the whole country belonged to the United States, Britain, France, Italy, Sweden and Australia, the work of the research has identified these areas for a variety of atmospheric corrosion resistance of stainless steel. Relevant content in the architect enchiridion, NiIDI introduced simply, the book in the table can help designers to choose the best cost-effective stainless steel for various area.
When making choice, it is important to determine whether there is any local factors using the scene environment. Down to the bottom of the stainless steel used in the factory chimney, for example, used near the air exhaust baffle or scrap field near the existence of general conditions. Stainless steel type, main consideration is required in the aesthetic standards, local atmospheric corrosion, and to adopt cleaning system. Other applications, more and more, however, is only for structural integrity or impervious. For example, industrial building roof and side wall. In these applications, the owner of the construction costs may be more important than aesthetics, the surface is not very clean.
The use of effect of 304 stainless steel in dry indoor environment is quite good. However, in the country and city to maintain its appearance, in the outdoor, cleaning should be carried out regularly. In serious pollution of industrial area and coastal regions, the surface is very dirty, and even produce rust. But for outdoor environment the aesthetic effect, we have to nickel stainless steel. So, 304 stainless steel is widely used in curtain wall, lateral wall, roof and other construction purposes, but in industrial or Marine corrosive serious atmosphere, had better use 316 stainless steel.
Now, people have fully realized the advantages of using stainless steel in structural applications. There are several design criteria included in the 304 s and 316 stainless steel. Because "duplex stainless steel 2205 have good resistance to atmospheric corrosion performance and high tensile strength and elastic limit strength together, so, also included the steel in the European standards. In fact, the stainless steel is the standard in shape and size of metal production, and there are many special shapes. The most commonly used product is made of sheet and strip, also used in the heavy plate production of special products, for example, production of hot-rolled steel and extrusion structure steel structure. And circular, elliptical, square, rectangular and hexagonal welded pipe or seamless steel tube and other forms of products, including profiles, bars, wires, and casting.
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