Application of Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N(AISI205)
Introduction
Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) is an austenitic stainless steel often referred to as austenitic stainless steel of the 200 series, with a composition comprising Cr, Ni, Mn and N. The steel is a physical composition type, meaning that the components are evenly distributed and balance each other, leading to a structure with high ductility and corrosion resistance as well as excellent formability.
Chemical Composition
Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) is composed of Cr mainly ranging from 16.2% to 17.2%, Ni between 11.7% and 12.7%, Mn between 0.9% and 1.7%, and N between 0.2% and 0.3%. Additionally, it contains trace elements such as Si, Ni, P and S.
Mechanical Properties
Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) has high tensile strength and yields strength. Typical values of tensile strength can reach around 450MPa, and the yield strength around 205MPa. Meanwhile, the elongation at break for this type of steel is around 35%, and the austenite grain size is 3-5.
Application
Due to its high level of corrosion resistance, the Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) is mainly used in equipment requiring strong resistance to corrosion, such as medical instruments, dietary equipment and chemical equipment. The steel is also widely used in the construction of vessels and storage tanks, as well as components and cases of electronic equipment. Moreover, it is also used as an anode material in engineering, meaning that it can be used in anodic protection and cathodic protection cases. For example, chromium-nickel-manganese-nitrogen austenitic steel is generally used as an anode material in seawater or freshwater circuits, or even used as marine anodes. In the project of controlling and managing the corrosion of steel structures and tanks in various environments, the Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) is also used to provide protection.
Coating
Due to its excellent formability and corrosion resistance, Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) is often coated to provide further protection from corrosion and other environmental hazards. The most common coating is passivation, which is a corrosion protection process used to reduce the surface area of the material and make it easier to clean. Passivation helps protect the material from corrosion and extends its service life. It can also be coated with other materials, such as wear-resistant materials, in order to increase its resistance to abrasion and wear. Other possible coatings include hardening and rust-preventative oil.
Conclusion
Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) is an austenitic stainless steel with a high level of corrosion resistance and excellent formability. It is widely used in applications requiring strong corrosion resistance, such as medical instruments, dietary equipment, chemical equipment, vessels and storage tanks, as well as components and cases of electronic equipment. Additionally, it is also used as an anode material in engineering projects. Depending on the application, Chromium-Nickel-Manganese-Nitrogen Austenitic Stainless Steel 1Cr17Ni2Mn15N (AISI205) can be coated with materials such as passivation, rust-preventative oil and wear-resistant material for further protection.
