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2205 Duplex Stainless Steel Plate Resistant To Atmospheric Corrosion

Mar. 20, 2019

Experience has shown that the degree of atmospheric corrosion varies from region to region. For illustrative purposes, it is recommended to divide the geographical areas into four categories: rural, urban, industrial, and coastal areas.

The countryside is a largely pollution-free area. The area has a low population density and is only pollution-free.

The city is a typical residential, commercial and light industrial area with mild pollution, such as traffic pollution.

Industrial areas are areas of atmospheric pollution caused by heavy industry. Contamination may be due to gases formed by fuel, such as oxides of sulfur and nitrogen, or other gases released by chemical plants or processing plants. Particles suspended in the air, such as dust or iron oxide deposits produced during 2205 Duplex Stainless Steel Plate production, can also increase corrosion.

Coastal areas usually refer to areas within a mile of the sea. However, the oceanic atmosphere can spread deeper into the inland, especially on the islands. The prevailing winds come from the oceans and the weather is harsh. For example, this is the case in the UK, so the entire country belongs to the coastal zone. If the wind is mixed with ocean fog, especially due to evaporation caused by salt deposition, coupled with less rain, not often washed by rain, the conditions in the coastal areas are even more unfavorable. Corrosion is even greater if there is industrial pollution.

Research work in the United States, the United Kingdom, France, Italy, Sweden, and Australia has determined the effects of these areas on atmospheric corrosion resistance of various 2205 Stainless Steel Plate. The content is briefly described in NiIDI's "Architect's Handbook", which helps designers select the most cost-effective stainless steel for each region.

When making a choice, it is important to determine if there are local factors that affect the use of the field environment. For example, stainless steel is used under the factory chimney, near the air conditioning exhaust baffle or near the scrap yard, there are unusual conditions.

2205 Duplex Stainless Steel Plate

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