{"id":9450,"date":"2025-10-20T15:29:38","date_gmt":"2025-10-20T07:29:38","guid":{"rendered":"http:\/\/www.zhengyuan-valve.com\/?p=9450"},"modified":"2025-10-20T15:29:38","modified_gmt":"2025-10-20T07:29:38","slug":"conditions-for-rusting-stainless-steel-filters","status":"publish","type":"post","link":"http:\/\/www.zhengyuan-valve.com\/?p=9450","title":{"rendered":"Conditions for rusting stainless steel filters"},"content":{"rendered":"<p>Stainless steel filters are not absolutely rust-proof; under normal usage, they are resistant to rust, but may still corrode in harsh environments or when improperly used.<br \/>\nFirst, stainless steel contains chromium (Cr\u226510.5%), which forms a dense layer of chromium oxide on the surface, effectively isolating air and moisture to prevent internal metal corrosion.<br \/>\nWhen the following conditions are triggered, the stainless steel filter will rust:<br \/>\nHarsh Environment: Prolonged exposure to strong acids (e.g., hydrochloric acid) or strong alkalis (e.g., caustic soda), as well as high salt spray (e.g., near the sea), can damage the oxide film.<br \/>\nMaterial does not meet standards: Using low-chromium stainless steel (e.g., 201) to impersonate 304\/316L, with poor rust resistance.<br \/>\nSurface damage: Scratches, impacts on the filter surface, and failure to promptly repair the damaged oxide film can easily lead to localized rusting.<br \/>\nHow can the risk of rusting be reduced?<br \/>\nChoose the right material: Use 304 for general environments and 316L for corrosive environments.<br \/>\nPrevent damage: Handle with care during transportation and installation to avoid scratches.<br \/>\nRegular cleaning: Wipe the surface with a soft cloth to remove residues such as oil stains and salt deposits.<\/p>\n<p><img decoding=\"async\" class=\"alignleft size-full wp-image-9451\" src=\"http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/10\/4f5abcea29f34247935a4ddf90fa3b68.jpg\" alt=\"\" width=\"400\" height=\"400\" srcset=\"http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/10\/4f5abcea29f34247935a4ddf90fa3b68-66x66.jpg 66w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/10\/4f5abcea29f34247935a4ddf90fa3b68-150x150.jpg 150w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/10\/4f5abcea29f34247935a4ddf90fa3b68-200x200.jpg 200w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/10\/4f5abcea29f34247935a4ddf90fa3b68-300x300.jpg 300w, http:\/\/www.zhengyuan-valve.com\/wp-content\/uploads\/2025\/10\/4f5abcea29f34247935a4ddf90fa3b68.jpg 400w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Stainless  [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9451,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[61],"tags":[953],"acf":[],"_links":{"self":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts\/9450"}],"collection":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=9450"}],"version-history":[{"count":1,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts\/9450\/revisions"}],"predecessor-version":[{"id":9452,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/posts\/9450\/revisions\/9452"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=\/wp\/v2\/media\/9451"}],"wp:attachment":[{"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=9450"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=9450"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.zhengyuan-valve.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=9450"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}