Updated on December 16, 2021
Different types of Stainless Steel: Their Uses
It is a kind that very resists corrosion. This “passive layer” is also known as the chromium-rich oxide layer which is the reason for the stainless steel’s resistance to corrosion. It also contains varying amounts of carbon, manganese, and silicon. To increase formability and resist corrosion, other elements such as molybdenum and nickel are able to be added.
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Stainless steel is divided into four kinds.
Iron and chromium are the most basic of compounds. This is referred to by the name ferritic stainless steel. Their crystal structure is known as “ferrite”. These magnetic materials are employed in items like automotive trims or dishwashers. They are the cheapest ferritic steel available However, they come with disadvantages, such as difficulties in welding or creating. Heating systems and Mufflers are two examples of where ferritic steel is utilized.
Austenitic is one of the sought-after stainless steel categories. Its microstructure is created by the addition of manganese, nickel and nitrogen. Its structure, in contrast to ferritic, makes it suitable for shaping and welding.
Martensitic steels are similar to ferritic steels because they are made out of chrome. They are denser in terms of carbon (up to one per cent). They are also able to be tempered and tempered because of this. Martensitic can be found in longer items as opposed to sheet and plate form. They also have poor welding and formability.
Duplex steels consist of 50 per cent ferritic and 50% per cent austenitic steel. They have greater strength than other steels. They are resistant to stress corrosion cracking they are weldable and have magnetic properties. Duplex can be used in pipes or in architectural structures.