Stainless steel is a special type of steel that contains at least 11% chromium in its composition and provides high corrosion resistance. This superior property of stainless steel is due to the presence of a thin, dense and transparent oxide layer on its surface. This oxide layer helps steel gain resistance to corrosion by passivating in chemical reactions. Thanks to the amorphous structure of the oxide layer, stainless steel is protected by external factors (cutting, abrasion, etc.) even if it is damaged, it returns to its former state by repairing itself.
Stainless steels are grouped into five main groups:
Ferritic Stainless Steels: These steels, which contain low carbon and have a chromium ratio of 12-18%, do not contain nickel and can be magnetized. They are usually known as the 400 series.
Martensitic Stainless Steels: They are known for their high hardness and durability properties. They are usually included under the 400 series and usually contain 12-18% chromium.
Austenitic Stainless Steels: contain 18% chromium and 8% nickel. It offers high corrosion resistance and good forming properties. It is the most widely used type of stainless steel and accounts for 70% of the total stainless steel production.
Ferritic-Austenitic (Duplex) Stainless Steels: These alloys, which combine ferritic and austenitic properties, offer high strength and corrosion resistance.
Alloys with Precipitation Hardening Applied: These stainless steels are special alloys with precipitation hardening process applied to increase hardness and durability.
areas of use:
Due to the fact that stainless steels can have different physical and chemical properties, they have a wide range of uses. It is mainly used in many industries such as kitchen utensils, household goods, automotive industry, machinery manufacturing and construction sector. In addition, it is also preferred in areas where hygiene is important, such as food processing, chemical industry, medicine and medical devices.
Advantages:
High Corrosion Resistance: Stainless steel shows long-term durability, especially in humid and chemical environments.
Durability and Long Life: Stainless steels have a long service life due to their high strength and durability.
Aesthetics and Hygiene: Thanks to their smooth surfaces, they have an aesthetic appearance and provide hygienic conditions.
Easy Maintenance: Stainless steels are materials with rust-resistant surfaces that are easy to clean.
As a result, stainless steels are among the indispensable materials in many industries with their robustness, durability and aesthetic properties. Dec.
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