Welcome to Our Website
Stainless steel is the generic term used to represent the corrosion resistance alloys. It’s metal properties are more enhanced with other elements such as nickel and nitrogen. It is produced in variety of grades for usage in different industries as needed. It is a “Green Metal” because 50% of the new stainless steel is made from re- melted scrap -metal. The ability to resist corrosion comes by adding chromium to iron. Normally 10.5% addition of chromium brings it to corrosion resistance.
Apart from corrosion resistance other sterling properties of stainless steel makes it preferred choice compared to other materials.
Some of the key properties are
- Hygiene
- Strength
- Environment friendly
- Easy for fabrication
Types of Stainless Steel
It is broadly configured in five categories,
- Austenitic Stainless Steel– These are popularly known as 300 and 200 series grades. 200 series grades are alloyed with chromium, nickel, manganese, whereas 300 series grades are alloyed with chromium and nickel.
- Ferritic Stainless Steel– These are popularly known as 400 series grades. It is nickel free stainless steel. It has a varying chromium content of 12 to 18 % but lower carbon than the martensitic. It is mostly uses for cutlery, dish washer, cooking utensil and washing machine drums.
- Martensitic Stainless Steel– It contains approximately 13% chromium. It is developed to be hardened by heat treating for application where hardness, strength and wear resistance are required like knives, fasteners, turbine blades and surgical equipment.
- Duplex Stainless Steel– It is also called austenitic ferritic grades. It is used in the off shore oil and gas industry for pipe works.
- Parcipitation Hardening – These steel can develop very high strength by adding elements such as copper, niobium and aluminium to the steel.