Why can stainless steel corrosion resistance? - thanks to its transparent 'coat Precision stainless steel - Spring stainless steel belt | | 30 stainless steel spring

People often say that stainless steel does not rust, this is wrong, it will rust, just not easy to rust. Why can stainless steel corrosion resistance? Because its surface has a transparent layer of passivation film, protect the surface in contact with air, reduce corrosion may tags: stainless steel corrosion resistant stainless steel passivation membrane