1.0https://www.myway-metal.commaiweihttps://www.myway-metal.com/index.php/author/maiwei/rich600338<blockquote class="wp-embedded-content" data-secret="UwmNhQnQ9a"><a href="https://www.myway-metal.com/index.php/2026/08/14/why-doesnt-stainless-steel-rust/">Why doesn’t stainless steel rust?</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.myway-metal.com/index.php/2026/08/14/why-doesnt-stainless-steel-rust/embed/#?secret=UwmNhQnQ9a" width="600" height="338" title="《 Why doesn’t stainless steel rust? 》—" data-secret="UwmNhQnQ9a" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); //# sourceURL=https://www.myway-metal.com/wp-includes/js/wp-embed.min.js </script> https://www.myway-metal.com/wp-content/uploads/2026/08/i202312221714472338872.webp364243The stainless mechanism of all stainless steels on the market today is due to the presence of Cr. The root cause (mechanism) of stainless steel corrosion resistance is the passivation film theory. The so-called passivation film is a thin film mainly composed of Cr2O3 on the surface of stainless steel. Because of the existence of this film, the corrosion of the stainless steel substrate in various media is hindered. This phenomenon is called passivation.