{"id":1037,"date":"2024-07-18T06:58:57","date_gmt":"2024-07-18T06:58:57","guid":{"rendered":"https:\/\/chinapintech.com\/?p=1037"},"modified":"2024-07-18T07:06:38","modified_gmt":"2024-07-18T07:06:38","slug":"dowel-pin-rust-problem","status":"publish","type":"post","link":"https:\/\/chinapintech.com\/de\/dowel-pin-rust-problem\/","title":{"rendered":"Dowel Pin Rust Problem"},"content":{"rendered":"

The principle of stainless steel rust prevention is to form a chromium oxide protective film on the surface of the steel by adding chromium element to effectively prevent the contact between the steel and the air, so that the oxygen in the air cannot enter the steel to produce a chemical reaction to achieve the effect of anti-rust. Therefore, stainless steel is not never rust, but not easy to rust. When the protective film on the stainless steel surface is damaged, it will rust. Such as:<\/p>

1. Dust or dissimilar metal particle attachments containing other metal elements accumulate on the surface of stainless steel. In humid air, the condensed water between the attachments and the stainless steel connects the two into a micro-battery, triggering an electrochemical reaction, and the protective film is affected. damage, that is, electrochemical corrosion.<\/p>

2. The surface of stainless steel adheres to organic juices (such as vegetables, noodle soup, sputum, etc.), and in the presence of water, it forms organic acids and corrodes the surface protective film.<\/p>

3. The surface of stainless steel adheres to contain acids, alkalis and salts (such as alkali water and lime water splashing on the decoration walls), causing local corrosion.<\/p>

4. In polluted air (such as the atmosphere containing a large amount of sulfide, carbon oxide, and nitrogen oxide, when it encounters condensed water, it forms sulfuric acid, nitric acid, and acetic acid liquid spots, causing chemical corrosion)<\/p>

5. In coastal areas, due to the proximity to the sea, the air contains a lot of salt, which will corrode stainless steel and so on.<\/p>","protected":false},"excerpt":{"rendered":"

The principle of stainless steel rust prevention is to form a chromium oxide protective film on the surface of the steel by adding chromium element to effectively prevent the contact between the steel and the air, so that the oxygen in the air cannot enter the steel to produce a chemical reaction to achieve the […]<\/p>","protected":false},"author":1,"featured_media":1042,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[8],"tags":[],"class_list":["post-1037","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledges"],"yoast_head":"\nDowel Pin Rust Problem - China parallel dowel pins, Cylindrical needle rollers manufacturer factory - PINTECH MACHINERY (SHAOXING) CO., LTD.<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/chinapintech.com\/de\/dowel-pin-rust-problem\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dowel Pin Rust Problem - 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