Is stainless steel harmful to health?
Stainless steel and iron cookware The metals used in stainless steel or iron cookware which may produce health effects are iron, nickel and chromium. … Small doses of chromium, like iron, are good for your health, but they can be harmful in higher amounts.
When using stainless steel cookware, know that deeply scratched and pitted pans can cause metals (nickel and chromium) to migrate into food in trace amounts. These are not toxic elements, so there is not really cause for concern unless you have a specific allergy or sensitivity.