![]() This is also widely used for cutlery, etc. ![]() This is slightly inferior in corrosion resistance to 18-12 stainless steel, but is as stable as any other. ![]() This is used for high quality cutlery, etc. ![]() This has excellent corrosion resistance, heat resistance, and impact resistance, and can be used in harsh marine environments. This is one of the types of austenitic stainless steel. The higher the nickel content, the higher the corrosion resistance. Nickel is characterized by its tenacity in hardness and high corrosion resistance. The higher the chromium content, the harder and more stable the property becomes. Here, we will explain the types, features, and uses of various subdivided stainless steels.īy the way, the number at the beginning of each name indicates the amount of chromium and nickel contained in each stainless steel.Ĭhromium is extremely hard and has excellent corrosion resistance, wear resistance, heat resistance, and mold release properties. Various types of stainless steels have various characteristics and are utilized in situations suited to their properties. The four types of stainless steel introduced above can be subdivided further. Types, features, and applications of stainless steel This is used in seawater condensers, heat exchangers, flue gas desulfurization equipment, and chemical plant equipment. Austenitic-ferritic stainless steelĪustenitic-ferritic stainless steel, also called duplex stainless steel, is a stainless steel with a mixture of austenitic and ferritic duplex phases.Its properties are just between austenitic and ferritic, and its high strength and excellent corrosion resistance make it suitable for use under severe conditions. This is mainly used in the form of lines and thin plates for kitchen utensils, building interiors, automobile parts, etc. This hardness is high, but its hardness does not change by quenching.ĭue to its slightly inferior corrosion resistance, it is generally used in less harsh environments such as architectural interiors and household items. Ferritic stainless steelįerritic stainless steel features containing 16% to 18% chromium, 8% or more nickel, and 0.12% or less carbon. In addition, since the hardness increases by quenching, it is widely used in applications where hardness is required, such as pumps, shafts, and nozzles. Martensitic stainless steel contains 12% to 18% chromium and 0.1% to 0.40% carbon.Īlthough this also has excellent corrosion resistance, it is easily rusted influenced by the surrounding rust, so it is used in environments where frequent cleaning is performed. The main types of stainless steel are the following four types.Īustenitic stainless steel contains 16% to 20% chromium, 8% or more nickel, and 0.15% or less carbon.ĭue to its excellent corrosion resistance, this is used in various applications such as construction, gas tanks, home appliances, electronic power facilities, household goods, and automobile goods. In addition to chromium and carbon, various alloying elements such as nickel and molybdenum are added, and the types differ depending on the content of each.Īs you can see from its name, it is a metal that does not rust easily, but it does not mean that it does not rust at all. Stainless steel is an iron-based alloy steel containing 10.5% or more of chromium and 1.2% or less of carbon. Here, we will explain the features of stainless in details. Do you know there are various types of stainless although it is considered to be a single metal? Among them, stainless steel is used for many purposes thanks to its heat resistant and anti-corrosion features. There are many types of metal such as steel, copper, aluminum, etc.
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