When chromium is added to the steel, it becomes resistant to stain. Stainless steel is an alloy with a minimum of 10.5 % chromium in the alloy. It does not readily corrode, rust or stain by contact with water. The chromium in the steel combines with oxygen in the atmosphere to form a thin, invisible layer of chrome-containing oxide, called the passive film.
There are 3 types of stainless steel:
2. Ferritic and
Stainless steel is used for many purposes across various industries ranging from domestic to transport and medical line. Stainless steel’s property of resistance to corrosion and staining, low maintenance and shiny lustre make it an ideal material for usage across industries. The alloy can be moulded into bars, sheets, plates, and wires and formed in many shapes and sizes to be used in cookware, cutlery and appliances. It comes to use widely in surgical instruments, industrial equipment and as an automotive and aerospace structural alloy and construction material in construction.