{"id":12600,"date":"2025-10-22T06:56:43","date_gmt":"2025-10-22T06:56:43","guid":{"rendered":"https:\/\/www.retopz.com\/?p=12600"},"modified":"2025-10-22T07:30:41","modified_gmt":"2025-10-22T07:30:41","slug":"how-to-prevent-corrosion-and-pitting-in-tungsten-carbide-bushings","status":"publish","type":"post","link":"https:\/\/www.retopz.com\/ar\/how-to-prevent-corrosion-and-pitting-in-tungsten-carbide-bushings\/","title":{"rendered":"How to Prevent Corrosion and Pitting in Tungsten Carbide Bushings"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"12600\" class=\"elementor elementor-12600\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-03ee6ae e-flex e-con-boxed e-con e-parent\" data-id=\"03ee6ae\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-fb69625 elementor-widget elementor-widget-text-editor\" data-id=\"fb69625\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\"><a href=\"https:\/\/www.retopz.com\/ar\/carbide-bushings-and-sleeves\/\" target=\"_blank\" rel=\"noopener\">\u062c\u0644\u0628\u0627\u062a \u0645\u0646 \u0643\u0631\u0628\u064a\u062f \u0627\u0644\u062a\u0646\u062c\u0633\u062a\u0646<\/a> are known for their <a href=\"https:\/\/www.retopz.com\/ar\/hardness-in-the-tungsten-carbide-industry-a-comprehensive-definition\/\" target=\"_blank\" rel=\"noopener\">\u0635\u0644\u0627\u0628\u0629<\/a> \u0648 <a href=\"https:\/\/www.retopz.com\/ar\/wear-resistance-in-the-tungsten-carbide-industry-an-explanatory-overview\/\" target=\"_blank\" rel=\"noopener\">\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644<\/a>, making them vital in pumps, compressors, and high-load rotating systems.<\/p><p class=\"p1\">However, corrosion and pitting remain two major threats that reduce service life \u2014 especially in chemical, marine, or wet process environments.<\/p><p class=\"p1\">If corrosion is left unchecked, the binder phase (nickel or cobalt) begins to dissolve, leading to loss of strength, surface roughness increase, and micro-pitting.<\/p><p class=\"p1\">Understanding the causes and applying proper prevention techniques helps ensure your tungsten carbide bushings deliver maximum durability and performance.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f8a71c2 e-flex e-con-boxed e-con e-parent\" data-id=\"f8a71c2\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2779bb9 elementor-widget elementor-widget-text-editor\" data-id=\"2779bb9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Why Corrosion and Pitting Occur<\/b><\/h2><p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone wp-image-12578 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-1.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-1.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-1-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-1-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">Even though tungsten carbide is extremely hard, it is not fully immune to chemical attack. The metallic binder phase is often the weak point.<\/p><p class=\"p3\">When exposed to aggressive fluids or electrolytes, the binder (especially cobalt) can oxidize or dissolve \u2014 allowing corrosive media to penetrate the carbide grain boundaries.<\/p><p class=\"p4\">Common Triggers of Corrosion and Pitting<\/p><ul class=\"ul1\"><li class=\"li3\"><p>Acidic or alkaline fluids in chemical processing<\/p><\/li><li class=\"li3\"><p>Saltwater exposure in marine and offshore systems<\/p><\/li><li class=\"li3\"><p>High-temperature oxidation in power plants<\/p><\/li><li class=\"li3\"><p>Residual stress and microcracks that trap corrosive media<\/p><\/li><\/ul><p class=\"p3\">Once pitting starts, it grows deeper with time, eventually leading to bushing failure, shaft wear, or fluid leakage.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-84c5845 e-flex e-con-boxed e-con e-parent\" data-id=\"84c5845\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6f3b049 elementor-widget elementor-widget-text-editor\" data-id=\"6f3b049\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 1: Select the Right Binder Type<\/b><\/h2><p class=\"p2\">Choosing the proper binder is the first defense against corrosion.<\/p><p class=\"p2\">Cobalt-bonded tungsten carbide performs well in neutral or dry environments, while nickel-bonded tungsten carbide offers better protection in corrosive or acidic fluids.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-171cdfd e-flex e-con-boxed e-con e-parent\" data-id=\"171cdfd\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a70b344 elementor-widget elementor-widget-text-editor\" data-id=\"a70b344\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table style=\"border-collapse:collapse;width:100%;color:#000;\">\n  <thead>\n    <tr style=\"background-color:#00274d;color:#fff;\">\n      <th style=\"border:1px solid #00274d;padding:8px;\">\u0646\u0648\u0639 \u0627\u0644\u0645\u062c\u0644\u062f<\/th>\n      <th style=\"border:1px solid #00274d;padding:8px;\">\u0627\u0644\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0646\u0645\u0648\u0630\u062c\u064a<\/th>\n      <th style=\"border:1px solid #00274d;padding:8px;\">\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644<\/th>\n      <th style=\"border:1px solid #00274d;padding:8px;\">Comments<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr style=\"background-color:#ffffff;\">\n      <td style=\"border:1px solid #00274d;padding:8px;\">Cobalt Binder (WC-Co)<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">General machinery and dry environments<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">\u0645\u0639\u062a\u062f\u0644<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Prone to binder leaching in acidic media<\/td>\n    <\/tr>\n    <tr style=\"background-color:#dce3f0;\">\n      <td style=\"border:1px solid #00274d;padding:8px;\">Nickel Binder (WC-Ni)<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Chemical and marine applications<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">\u0639\u0627\u0644\u064a<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Better protection against corrosion and oxidation<\/td>\n    <\/tr>\n    <tr style=\"background-color:#ffffff;\">\n      <td style=\"border:1px solid #00274d;padding:8px;\">Ni-Cr Binder<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Extreme chemical and wet gas services<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">\u0639\u0627\u0644\u064a\u0629 \u062c\u062f\u064b\u0627<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Chromium improves passive layer protection<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-e70faf8 e-flex e-con-boxed e-con e-parent\" data-id=\"e70faf8\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-5052130 elementor-widget elementor-widget-text-editor\" data-id=\"5052130\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Tip: For seawater or acid-containing fluids, always select a nickel-based binder or grades containing chromium, which forms a stable oxide film to resist corrosion.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-f9b7be0 e-flex e-con-boxed e-con e-parent\" data-id=\"f9b7be0\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-da51c51 elementor-widget elementor-widget-text-editor\" data-id=\"da51c51\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 2: Apply Protective Coatings<\/b><\/h2><p><img decoding=\"async\" class=\"alignnone wp-image-12579 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-2.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-2.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-2-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-2-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">Coatings can greatly improve the chemical resistance of tungsten carbide bushings.<\/p><p class=\"p3\">\u062a\u0634\u0645\u0644 \u0627\u0644\u0637\u0644\u0627\u0621\u0627\u062a \u0627\u0644\u0634\u0627\u0626\u0639\u0629 \u0645\u0627 \u064a\u0644\u064a:<\/p><ul class=\"ul1\"><li class=\"li3\"><p>TiN (Titanium Nitride): Increases <a href=\"https:\/\/www.retopz.com\/ar\/hardness-in-the-tungsten-carbide-industry-a-comprehensive-definition\/\" target=\"_blank\" rel=\"noopener\">\u0635\u0644\u0627\u0628\u0629<\/a> and corrosion protection.<\/p><\/li><li class=\"li3\"><p>CrN (Chromium Nitride): Offers strong oxidation resistance.<\/p><\/li><li class=\"li3\"><p>DLC (Diamond-Like Carbon): Reduces friction and prevents pitting initiation.<\/p><\/li><\/ul><p class=\"p3\">These coatings create a barrier between the fluid and the tungsten carbide surface, extending component life in harsh service.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-396866b e-flex e-con-boxed e-con e-parent\" data-id=\"396866b\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-198548a elementor-widget elementor-widget-text-editor\" data-id=\"198548a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 3: Maintain Proper Lubrication<\/b><\/h2><p><img decoding=\"async\" class=\"alignnone wp-image-12580 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-3.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-3.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-3-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-3-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">Inadequate lubrication accelerates both wear and corrosion. When the surface runs dry, microcracks appear, allowing corrosive fluids to enter.<\/p><p class=\"p3\">Recommendations:<\/p><ul class=\"ul1\"><li class=\"li3\"><b><\/b><p>Use filtered, non-reactive lubricants.<\/p><\/li><li class=\"li3\"><p>Maintain a steady film thickness between the shaft and bushing.<\/p><\/li><li class=\"li3\"><p>Check lubricant pH compatibility with binder type.<\/p><\/li><\/ul><p class=\"p3\">Proper lubrication not only reduces friction but also isolates the bushing surface from corrosive environments.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-29bdfeb e-flex e-con-boxed e-con e-parent\" data-id=\"29bdfeb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-824952a elementor-widget elementor-widget-text-editor\" data-id=\"824952a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 4: Control Operating Environment<\/b><\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12581 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-4.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-4.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-4-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-4-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">Temperature, pressure, and chemical concentration all influence corrosion rate. To extend service life:<\/p><ul class=\"ul1\"><li class=\"li3\"><b><\/b><p>Keep operating temperatures below 450\u00b0C (for WC-Ni).<\/p><\/li><li class=\"li3\"><p>Avoid rapid temperature cycling, which causes stress.<\/p><\/li><li class=\"li3\"><p>Ensure system flushing to remove stagnant fluids.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-631aabb e-flex e-con-boxed e-con e-parent\" data-id=\"631aabb\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9eb1278 elementor-widget elementor-widget-text-editor\" data-id=\"9eb1278\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 5: Avoid Galvanic Corrosion<\/b><\/h2><p class=\"p2\">Galvanic corrosion occurs when tungsten carbide contacts dissimilar metals in a conductive fluid.<\/p><p class=\"p2\">This is common in pump assemblies where the bushing interfaces with stainless steel or bronze housings.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a458284 e-flex e-con-boxed e-con e-parent\" data-id=\"a458284\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0d7ce16 elementor-widget elementor-widget-text-editor\" data-id=\"0d7ce16\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table style=\"border-collapse:collapse;width:100%;color:#000;\">\n  <thead>\n    <tr style=\"background-color:#00274d;color:#fff;\">\n      <th style=\"border:1px solid #00274d;padding:8px;\">\u062d\u0627\u0644\u0629<\/th>\n      <th style=\"border:1px solid #00274d;padding:8px;\">Corrosion Risk<\/th>\n      <th style=\"border:1px solid #00274d;padding:8px;\">Prevention Method<\/th>\n    <\/tr>\n  <\/thead>\n  <tbody>\n    <tr style=\"background-color:#ffffff;\">\n      <td style=\"border:1px solid #00274d;padding:8px;\">Tungsten carbide against stainless steel<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">\u0648\u0627\u0633\u0637\u0629<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Use isolating gasket or coating<\/td>\n    <\/tr>\n    <tr style=\"background-color:#dce3f0;\">\n      <td style=\"border:1px solid #00274d;padding:8px;\">Tungsten carbide against bronze<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">\u0639\u0627\u0644\u064a<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Electrically insulate or use nickel-coated interface<\/td>\n    <\/tr>\n    <tr style=\"background-color:#ffffff;\">\n      <td style=\"border:1px solid #00274d;padding:8px;\">Tungsten carbide against ceramic<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">\u0642\u0644\u064a\u0644<\/td>\n      <td style=\"border:1px solid #00274d;padding:8px;\">Preferable for chemical or seawater systems<\/td>\n    <\/tr>\n  <\/tbody>\n<\/table>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c7866c1 e-flex e-con-boxed e-con e-parent\" data-id=\"c7866c1\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c5c83b4 elementor-widget elementor-widget-text-editor\" data-id=\"c5c83b4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p class=\"p1\">Electrical isolation using non-conductive spacers or surface coatings can stop galvanic reaction and preserve the carbide surface.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-c0e0a94 e-flex e-con-boxed e-con e-parent\" data-id=\"c0e0a94\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-991a4ff elementor-widget elementor-widget-text-editor\" data-id=\"991a4ff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 6: Regular Cleaning and Inspection<\/b><\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12582 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-5.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-5.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-5-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-5-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">Deposits, salts, or corrosive residues often remain on the surface after operation.<\/p><p class=\"p3\">Regular cleaning prevents localized corrosion and helps detect early-stage pitting.<\/p><p class=\"p3\">\u0623\u0641\u0636\u0644 \u0627\u0644\u0645\u0645\u0627\u0631\u0633\u0627\u062a:<\/p><ul class=\"ul1\"><li class=\"li3\"><p>Clean with non-acidic solvents or mild alkaline detergents.<\/p><\/li><li class=\"li3\"><p>Avoid mechanical scraping tools that may damage coatings.<\/p><\/li><li class=\"li3\"><p>Use magnification to check for micro-pits or color changes.<\/p><\/li><\/ul><p class=\"p3\">Perform a visual and dimensional inspection every 3\u20136 months depending on the fluid type.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-1133632 e-flex e-con-boxed e-con e-parent\" data-id=\"1133632\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-71a6dc9 elementor-widget elementor-widget-text-editor\" data-id=\"71a6dc9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 7: Store Bushings Properly<\/b><\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12583 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-6.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-6.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-6-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-6-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">Improper storage can also cause corrosion, especially in humid warehouses or near chemical fumes.<br \/>\u0648\u0644\u0645\u0646\u0639 \u0630\u0644\u0643:<\/p><ul class=\"ul1\"><li class=\"li3\"><p><b><\/b>Store bushings in dry, temperature-controlled areas.<\/p><\/li><li class=\"li3\"><p>Use anti-corrosion wrapping or desiccant bags.<\/p><\/li><li class=\"li3\"><p>Avoid contact with dissimilar metals during storage.<\/p><\/li><\/ul><p class=\"p3\">Proper storage ensures bushings remain ready for service without oxidation or binder attack.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-638c98d e-flex e-con-boxed e-con e-parent\" data-id=\"638c98d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-abb22a3 elementor-widget elementor-widget-text-editor\" data-id=\"abb22a3\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>Step 8: Consider Material Pairing<\/b><\/h2><p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-12584 size-full\" src=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-7.jpg\" alt=\"\" width=\"660\" height=\"440\" srcset=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-7.jpg 660w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-7-300x200.jpg 300w, https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-7-18x12.jpg 18w\" sizes=\"(max-width: 660px) 100vw, 660px\" \/><\/p><p class=\"p3\">Tungsten carbide bushings often run against different shaft materials or sleeves. Choosing a compatible pairing minimizes both wear and corrosion.<\/p><p class=\"p3\">Recommended pairings:<\/p><ul class=\"ul1\"><li class=\"li3\"><p>WC-Ni vs. Ceramic: Excellent <a href=\"https:\/\/www.retopz.com\/ar\/corrosion-resistance-in-the-tungsten-carbide-industry-an-explanatory-overview\/\" target=\"_blank\" rel=\"noopener\">\u0645\u0642\u0627\u0648\u0645\u0629 \u0627\u0644\u062a\u0622\u0643\u0644<\/a> in chemical plants.<\/p><\/li><li class=\"li3\"><p>WC-Co vs. Hardened Steel: Good for mechanical loads but avoid wet acids.<\/p><\/li><li class=\"li3\"><p>WC-Ni vs. Silicon Carbide: Excellent for seawater and brine service.<\/p><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a18abb6 e-flex e-con-boxed e-con e-parent\" data-id=\"a18abb6\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-27b9e00 elementor-widget elementor-widget-text-editor\" data-id=\"27b9e00\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 class=\"p1\"><b>\u062e\u0627\u062a\u0645\u0629<\/b><\/h2><p class=\"p2\">Corrosion and pitting can shorten the life of tungsten carbide bushings, but both can be prevented with proper design, material choice, and maintenance.<\/p><p class=\"p2\">By using nickel-binder grades, applying protective coatings, and maintaining a stable, clean operating environment, industries can significantly increase reliability and uptime.<\/p><p class=\"p2\">Preventive care is always more cost-effective than reactive replacement \u2014 ensuring safer, longer-lasting operation.<\/p><p class=\"p3\">\u0625\u0630\u0627 \u0643\u0646\u062a \u062a\u0631\u064a\u062f \u0645\u0639\u0631\u0641\u0629 \u0627\u0644\u0645\u0632\u064a\u062f \u0645\u0646 \u0627\u0644\u062a\u0641\u0627\u0635\u064a\u0644 \u062d\u0648\u0644 \u0623\u064a \u0634\u0631\u0643\u0629\u060c \u0641\u0644\u0627 \u062a\u062a\u0631\u062f\u062f \u0641\u064a <a href=\"https:\/\/www.retopz.com\/ar\/contact\/\" target=\"_blank\" rel=\"noopener\">\u0627\u062a\u0635\u0644 \u0628\u0646\u0627.\u00a0<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Tungsten carbide bushings are known for their hardness and wear resistance, making them vital in pumps, compressors, and high-load rotating systems. However, corrosion and pitting remain two major threats that reduce service life \u2014 especially in chemical, marine, or wet process environments. If corrosion is left unchecked, the binder phase (nickel or cobalt) begins to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":12578,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-12600","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-carbide-academy"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.8 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Prevent Corrosion in Tungsten Carbide Bushings<\/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:\/\/www.retopz.com\/ar\/how-to-prevent-corrosion-and-pitting-in-tungsten-carbide-bushings\/\" \/>\n<meta property=\"og:locale\" content=\"ar_AR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Prevent Corrosion and Pitting in Tungsten Carbide Bushings\" \/>\n<meta property=\"og:description\" content=\"Tungsten carbide bushings are known for their hardness and wear resistance, making them vital in pumps, compressors, and high-load rotating systems. However, corrosion and pitting remain two major threats that reduce service life \u2014 especially in chemical, marine, or wet process environments. If corrosion is left unchecked, the binder phase (nickel or cobalt) begins to [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.retopz.com\/ar\/how-to-prevent-corrosion-and-pitting-in-tungsten-carbide-bushings\/\" \/>\n<meta property=\"og:site_name\" content=\"Retop Carbide\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-22T06:56:43+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-10-22T07:30:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.retopz.com\/wp-content\/uploads\/2025\/10\/How-to-Prevent-Corrosion-and-Pitting-in-Tungsten-Carbide-Bushings-www.retopz.com-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"660\" \/>\n\t<meta property=\"og:image:height\" content=\"440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"luo jing\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" 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