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The chemical composition of SUS201 stainless steel mainly includes chromium (Cr), nickel (Ni) and manganese (Mn). Specifically, its chromium content is 16%~18%, nickel content is 3.5%~5.5%, and manganese content is 5.5%~7.5%. In addition, it also contains less than 0.15% of carbon (C), less than 0.25% of nitrogen (N), and less than 1% of silicon (Si). Please note that the content of these elements may vary slightly depending on production standards and manufacturers.

SUS201 is an austenitic stainless steel that has a lower nickel content than other stainless steel materials, but still provides good corrosion resistance. However, due to its high manganese content, its surface is bright but easy to rust, and its corrosion resistance is relatively poor, so its price is lower than that of 300 and 400 series stainless steel.

SUS201 stainless steel is widely used in many fields due to its specific chemical composition and properties. The following is a detailed introduction to the use of SUS201:

Construction field: SUS201 is often used in indoor and outdoor decoration, floor laying and railing production. Its excellent corrosion resistance and aesthetic properties make it the material of choice for many construction projects.
Household appliances: In the home field, SUS201 has a wide range of applications, such as kitchen utensils, sinks, washstands, etc. Its corrosion resistance and ease of cleaning make it an ideal choice for kitchen and bathroom products.
Manufacturing industry: SUS201 is also widely used in manufacturing industries, such as automobile parts, electronic equipment casings, medical equipment, etc. Its mechanical properties and corrosion resistance enable it to meet various stringent usage requirements.
Chemical industry, petroleum, food processing and other fields: Because SUS201 contains a high proportion of chromium, it is not easily corroded by atmosphere, water and general acidic media, so it is widely used in these fields.
High-temperature equipment: In high-temperature equipment such as stoves and heat exchangers, SUS201 is also widely used because it can still maintain good mechanical properties and corrosion resistance in high-temperature environments.
In addition, due to its good processing and welding properties, SUS201 material is easy to process and shape, and can be welded in various ways, so it is very popular in the manufacturing industry.

In general, SUS201 is widely used in many fields such as construction, home furnishing, manufacturing, chemical industry, petroleum, food processing and high-temperature equipment due to its good corrosion resistance, mechanical properties, processing performance and welding performance. However, due to the low nickel content of SUS201, its corrosion resistance is relatively poor. Therefore, in some situations where corrosion resistance is extremely high, other types of stainless steel materials may need to be considered.

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