Induction cooktops typically have a glass-ceramic surface rather than being made entirely of stainless steel. The glass-ceramic material provides several benefits for induction cooking, including heat resistance, smoothness for easy cleaning, and the ability to transmit heat efficiently.
While the surface of induction cooktops is primarily glass-ceramic, many models incorporate stainless steel elements such as the trim, control knobs, or the base. These stainless steel components are used for aesthetic and structural purposes, but they do not come into direct contact with the cookware or affect the induction heating process.
It's important to note that stainless steel is not used for the cooking surface of induction cooktops because stainless steel is not itself magnetic. Induction cooktops require a magnetic field to interact with the ferromagnetic materials in compatible cookware, and stainless steel alone does not provide that magnetic response.
Regarding rust prevention, the glass-ceramic surface of induction cooktops is non-porous and resistant to rust. It is designed to withstand high temperatures and is not prone to rusting. Stainless steel elements used in the construction of the cooktop may be susceptible to rust if they come into contact with moisture or are of lower quality. However, these stainless steel components are generally designed to be durable and resistant to corrosion.
To ensure the longevity and prevent rusting of any stainless steel components on your induction cooktop, it's advisable to follow the manufacturer's care and maintenance instructions. This may include regular cleaning, avoiding abrasive cleaners or utensils, and promptly wiping off any moisture or spills from stainless steel surfaces.