Many people think that special stainless screw are screws that will not rust, but in fact stainless steel non-standard screws do not necessarily rust, but relatively speaking, stainless steel non-standard screws are more resistant to corrosion and rust than iron screws. However, special stainless screw will still rust under certain conditions. So what is the reason for the stainless steel special screw rust? What conditions lead to rust? S pecial stainless screw have good characteristics, high temperature resistance, strong corrosion resistance and certain rust resistance. However, in the harsh environment, it will still rust. Like in a very humid environment, the wind is blowing in the sun, and the rain is blowing. After a long time, it will definitely be a little rusty. Or contact with some acid-base chemicals to produce a chemical reaction that causes corrosion and rust. There are also special screw for stainless steel materials that are n...