{"id":12694,"date":"2025-02-28T11:57:25","date_gmt":"2025-02-28T10:57:25","guid":{"rendered":"https:\/\/haertha.de\/?post_type=verfahren&#038;p=12694"},"modified":"2025-03-05T13:38:16","modified_gmt":"2025-03-05T12:38:16","slug":"tenifer-qpq","status":"publish","type":"verfahren","link":"https:\/\/haertha.de\/en\/process\/tenifer-qpq\/","title":{"rendered":"Tenifer-QPQ"},"content":{"rendered":"<div id=\"verfahren-header-image-block_baa4f511c7f645c128855245759d04fa\" class=\"verfahren-header-image\" >   \r\n\r\n    <div class=\"image-wrapper\">\r\n                    <img decoding=\"async\" class=\"img-fluid\" src=\"https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/ferrit_9_lq.jpg\" alt=\"\" \/>\r\n            <\/div>\r\n\r\n    \r\n<\/div>\r\n\r\n\n\n\r\n<div id=\"verfahren-text-block_12211d46d8a9e4630aa8629b386eceac\" class=\"verfahren-text toc\" data-toctitle=\"Verfahren und Hintergr\u00fcnde\" style=\"\">\r\n    <div class=\"row\">\r\n        <div class=\"col-12\">\r\n            <div class=\"content-wrapper\" >\r\n\r\n                            <div class=\"box\">\r\n                                            <div class=\"nummber\"> \r\n                            \r\n                        <\/div>\r\n                        \r\n                                            <h2 class=\"headline\">Process and background information<\/h2>\r\n                                \r\n                <\/div>\r\n            \r\n                <div class=\"content-box texteditor\" style=\"\">                    \r\n                    <p><p>The Tenifer\u00ae-QPQ process is based on salt bath nitrocarburising, which involves the diffusion of nitrogen and carbon into the workpiece surface. The process produces a compound layer formed of iron, nitrogen, carbon, and nitrides, which is known for its high wear resistance and low coefficients of friction.<\/p>\n<p>&nbsp;<\/p>\n<p>The process comprises four steps:<\/p>\n<ol>\n<li>Nitrocarburising<\/li>\n<li>Oxidative quenching<\/li>\n<li>Mechanical smoothing<\/li>\n<li>Post-oxidation<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<p>This targeted treatment maximises corrosion protection and improves the mechanical stability of the components. Since this procedure is carried out at comparatively low temperatures, changes in size and shape are kept to a minimum. Better yet, it also frequently or completely eliminates the need for costly rework.<\/p>\n<\/p>\r\n                    <div class=\"acf-innerblocks-container\"><\/div>\r\n                    \r\n                    <style>\r\n                        .sonder-zeichen{\r\n                            display: flex;\r\n                            flex-direction: row;\r\n                            gap: 15px;\r\n                        }\r\n                        .zeichen{\r\n                            color: #C9C9C9;\r\n                            position: relative;\r\n                            line-height: 66px;\r\n                            font-size: clamp(2.75rem, 1.9766rem + 2.1484vw, 4.125rem);\r\n                        }\r\n                    <\/style>\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\n\n\r\n<div id=\"verfahren-text-block_46a3973faa227b43d7ee9b016fd03156\" class=\"verfahren-text toc\" data-toctitle=\"Unsere angebotenen Verfahren\" style=\"\">\r\n    <div class=\"row\">\r\n        <div class=\"col-12\">\r\n            <div class=\"content-wrapper\" >\r\n\r\n                            <div class=\"box\">\r\n                                            <div class=\"nummber\"> \r\n                            \r\n                        <\/div>\r\n                        \r\n                                            <h2 class=\"headline\">The procedures we offer<\/h2>\r\n                                \r\n                <\/div>\r\n            \r\n                <div class=\"content-box texteditor\" style=\"\">                    \r\n                    <p><p>We offer the following variants of the Tenifer\u00ae process:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li><strong>Tenifer\u00ae-Q<\/strong>: Basic protection against wear, corrosion, and edge-cracking problems, plus heat resistance and durability.<\/li>\n<li><strong>Tenifer\u00ae-QP<\/strong>: Improved surface quality thanks to reduced roughness, lower coefficients of friction, and optimised visual quality of the components.<\/li>\n<li><strong>Tenifer\u00ae-QPQ<\/strong>: Maximum corrosion resistance, decorative black surface, minimum light reflection and superior visual quality.<\/li>\n<li><strong>Optionale K\u00fchlverfahren<\/strong>The treatments can be performed by means of water quenching or vacuum gas quenching.<\/li>\n<\/ul>\n<\/p>\r\n                    <div class=\"acf-innerblocks-container\"><\/div>\r\n                    \r\n                    <style>\r\n                        .sonder-zeichen{\r\n                            display: flex;\r\n                            flex-direction: row;\r\n                            gap: 15px;\r\n                        }\r\n                        .zeichen{\r\n                            color: #C9C9C9;\r\n                            position: relative;\r\n                            line-height: 66px;\r\n                            font-size: clamp(2.75rem, 1.9766rem + 2.1484vw, 4.125rem);\r\n                        }\r\n                    <\/style>\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\n\n\r\n<div id=\"verfahren-text-block_91c93e61f79a2630d88736cbf1a3c5cd\" class=\"verfahren-text toc\" data-toctitle=\"Vorteile auf einen Blick\" style=\"\">\r\n    <div class=\"row\">\r\n        <div class=\"col-12\">\r\n            <div class=\"content-wrapper\" >\r\n\r\n                            <div class=\"box\">\r\n                                            <div class=\"nummber\"> \r\n                            \r\n                        <\/div>\r\n                        \r\n                                            <h2 class=\"headline\">The advantages at a glance<\/h2>\r\n                                \r\n                <\/div>\r\n            \r\n                <div class=\"content-box texteditor\" style=\"\">                    \r\n                    <p><p>The Tenifer\u00ae-QPQ process provides a large number of technical advantages:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>High wear resistance and increased fatigue strength<\/li>\n<li>Excellent corrosion protection thanks to a layer of magnetite<\/li>\n<li>Minimum changes in dimensions and shape<\/li>\n<li>Optimum sliding performance due to the non-metallic properties of the compound layer<\/li>\n<li>Excellent mechanical resilience<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-12699\" src=\"https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/Zahnraeder-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/Zahnraeder-300x225.jpg 300w, https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/Zahnraeder-768x576.jpg 768w, https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/Zahnraeder-16x12.jpg 16w, https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/Zahnraeder.jpg 960w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>The combination of edge layer hardening and oxidising treatment increases the fatigue strength of the material by up to 100%. At the same time, the treated surface reduces the frictional resistance, resulting in considerably reduced wear, especially in slide and roller bearing applications.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<\/p>\r\n                    <div class=\"acf-innerblocks-container\"><\/div>\r\n                    \r\n                    <style>\r\n                        .sonder-zeichen{\r\n                            display: flex;\r\n                            flex-direction: row;\r\n                            gap: 15px;\r\n                        }\r\n                        .zeichen{\r\n                            color: #C9C9C9;\r\n                            position: relative;\r\n                            line-height: 66px;\r\n                            font-size: clamp(2.75rem, 1.9766rem + 2.1484vw, 4.125rem);\r\n                        }\r\n                    <\/style>\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\n\n\r\n<div id=\"verfahren-text-block_57672e9a99f0c0a34c750e6c57a03fe2\" class=\"verfahren-text toc\" data-toctitle=\"Anwendungsgebiete und geeignete Werkstoffe\" style=\"\">\r\n    <div class=\"row\">\r\n        <div class=\"col-12\">\r\n            <div class=\"content-wrapper\" >\r\n\r\n                            <div class=\"box\">\r\n                                            <div class=\"nummber\"> \r\n                            \r\n                        <\/div>\r\n                        \r\n                                            <h2 class=\"headline\">Applications and suitable materials<\/h2>\r\n                                \r\n                <\/div>\r\n            \r\n                <div class=\"content-box texteditor\" style=\"\">                    \r\n                    <p><p>The Tenifer\u00ae-QPQ process is widely used in various industrial sectors:<\/p>\n<p>&nbsp;<\/p>\n<ul>\n<li>Automotive industry (e.g. gearbox components, crankshafts, gears)<\/li>\n<li>Mechanical engineering (machine parts subject to high loads)<\/li>\n<li>Aerospace (specialised precision components)<\/li>\n<li>Medical technology (instruments and components with high standards of hygiene)<\/li>\n<li>Replacement of coatings containing chrome (VI)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>The treatment is suitable for almost all grades of steel and cast materials. Particularly advantageous results are achieved in materials with nitride-forming elements such as chromium, molybdenum, vanadium, and aluminium, as these make enhanced surface hardness possible.<\/p>\n<p>While non-alloy and low-alloy steels achieve the highest level of corrosion protection, the treatment of stainless steels requires special modifications to the process, in order to ensure both optimum hardness characteristics and enhanced corrosion resistance.<\/p>\n<\/p>\r\n                    <div class=\"acf-innerblocks-container\"><\/div>\r\n                    \r\n                    <style>\r\n                        .sonder-zeichen{\r\n                            display: flex;\r\n                            flex-direction: row;\r\n                            gap: 15px;\r\n                        }\r\n                        .zeichen{\r\n                            color: #C9C9C9;\r\n                            position: relative;\r\n                            line-height: 66px;\r\n                            font-size: clamp(2.75rem, 1.9766rem + 2.1484vw, 4.125rem);\r\n                        }\r\n                    <\/style>\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\n\n\r\n<div id=\"verfahren-text-block_e5a17df1df61bef96b63c706018d8c82\" class=\"verfahren-text toc\" data-toctitle=\"Technische Anforderungen f\u00fcr die Behandlung\" style=\"\">\r\n    <div class=\"row\">\r\n        <div class=\"col-12\">\r\n            <div class=\"content-wrapper\" >\r\n\r\n                            <div class=\"box\">\r\n                                            <div class=\"nummber\"> \r\n                            \r\n                        <\/div>\r\n                        \r\n                                            <h2 class=\"headline\">Technical requirements for the treatment<\/h2>\r\n                                \r\n                <\/div>\r\n            \r\n                <div class=\"content-box texteditor\" style=\"\">                    \r\n                    <p><p>To produce optimum results, the Tenifer\u00ae-QPQ treatment must be performed under specific process parameters. Besides the exact material designation, it is necessary to specify the temperature of the previous heat treatment, the desired hardness and the desired nitriding hardness depth. If partial treatment is desired, then appropriate drawings are necessary. In addition, to obtain the specified core hardness, the temperature of the previous heat treatment must be at least 20 to 30 degrees Celsius higher than the nitriding temperature.<\/p>\n<\/p>\r\n                    <div class=\"acf-innerblocks-container\"><\/div>\r\n                    \r\n                    <style>\r\n                        .sonder-zeichen{\r\n                            display: flex;\r\n                            flex-direction: row;\r\n                            gap: 15px;\r\n                        }\r\n                        .zeichen{\r\n                            color: #C9C9C9;\r\n                            position: relative;\r\n                            line-height: 66px;\r\n                            font-size: clamp(2.75rem, 1.9766rem + 2.1484vw, 4.125rem);\r\n                        }\r\n                    <\/style>\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\n\n\r\n<div id=\"verfahren-text-block_c8f35e22ffdb09306b9adfe331777efb\" class=\"verfahren-text toc\" data-toctitle=\"Fazit\" style=\"\">\r\n    <div class=\"row\">\r\n        <div class=\"col-12\">\r\n            <div class=\"content-wrapper\" >\r\n\r\n                            <div class=\"box\">\r\n                                            <div class=\"nummber\"> \r\n                            \r\n                        <\/div>\r\n                        \r\n                                            <h2 class=\"headline\">Conclusion<\/h2>\r\n                                \r\n                <\/div>\r\n            \r\n                <div class=\"content-box texteditor\" style=\"\">                    \r\n                    <p><p>The Tenifer\u00ae-QPQ process combines high wear resistance with excellent corrosion protection and minimum dimensional changes to provide an efficient and environmentally friendly solution for the metalworking industry.<\/p>\n<p>Providing a high-performance alternative to conventional coating procedures, the process is established around the world and suitable for industrial series production, as well as for precision parts subjected to heavy loads. Thanks to its high reproducibility and ease of implementation, it represents a solution that reliably produces durable and resistant components.<\/p>\n<\/p>\r\n                    <div class=\"acf-innerblocks-container\"><\/div>\r\n                    \r\n                    <style>\r\n                        .sonder-zeichen{\r\n                            display: flex;\r\n                            flex-direction: row;\r\n                            gap: 15px;\r\n                        }\r\n                        .zeichen{\r\n                            color: #C9C9C9;\r\n                            position: relative;\r\n                            line-height: 66px;\r\n                            font-size: clamp(2.75rem, 1.9766rem + 2.1484vw, 4.125rem);\r\n                        }\r\n                    <\/style>\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\n\n\r\n<div id=\"verfahren-text-block_4b61aa67e56f40f6584baea8d9af5d51\" class=\"verfahren-text toc\" data-toctitle=\"Verfahrensstandorte\" style=\"\">\r\n    <div class=\"row\">\r\n        <div class=\"col-12\">\r\n            <div class=\"content-wrapper\" >\r\n\r\n                            <div class=\"box\">\r\n                                            <div class=\"nummber\"> \r\n                            \r\n                        <\/div>\r\n                        \r\n                                            <h2 class=\"headline\">Process locations<\/h2>\r\n                                \r\n                <\/div>\r\n            \r\n                <div class=\"content-box texteditor\" style=\"\">                    \r\n                    <p><p>&nbsp;<\/p>\n<p class=\" translation-block\">You will find H\u00e4rtha in Germany, Italy, and the Netherlands. Refer to our interactive <a href=\"https:\/\/haertha.de\/en\/standorte\/\" target=\"_self\">location overview<\/a> to learn which other processes besides oxidising we offer at locations near you.<\/p>\n<p>&nbsp;<\/p>\n<\/p>\r\n                    <div class=\"acf-innerblocks-container\"><\/div>\r\n                    \r\n                    <style>\r\n                        .sonder-zeichen{\r\n                            display: flex;\r\n                            flex-direction: row;\r\n                            gap: 15px;\r\n                        }\r\n                        .zeichen{\r\n                            color: #C9C9C9;\r\n                            position: relative;\r\n                            line-height: 66px;\r\n                            font-size: clamp(2.75rem, 1.9766rem + 2.1484vw, 4.125rem);\r\n                        }\r\n                    <\/style>\r\n                    \r\n                <\/div>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"","protected":false},"author":9,"featured_media":12697,"menu_order":6,"template":"","verfahrenstechnik":[6],"class_list":["post-12694","verfahren","type-verfahren","status-publish","has-post-thumbnail","hentry","verfahrenstechnik-nitrieren"],"acf":{"text_cta":"Das Tenifer\u00ae-QPQ-Verfahren ist ein innovatives Salzbadnitrocarburierverfahren, das gezielt zur Verbesserung der Verschlei\u00dfbest\u00e4ndigkeit, Korrosionsschutz und Gleiteigenschaften von Stahl- und Gusswerkstoffen eingesetzt wird. Durch die Kombination aus Nitrocarburieren, oxidierender Abk\u00fchlung, mechanischer Gl\u00e4ttung und Nachoxidation entsteht eine widerstandsf\u00e4hige, tiefschwarze Schutzschicht mit ausgezeichneter mechanischer Stabilit\u00e4t.\r\nSie w\u00fcnschen eine individuelle Beratung zum Thema Tenifer\u00ae-QPQ? Wir freuen uns auf Ihre Anfrage.\r\n","contact_location":[11495],"materials":"on","tablepress":null},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tenifer-QPQ | H\u00c4RTHA GROUP<\/title>\n<meta name=\"description\" content=\"Tenifer-QPQ \u2713 In welchen Bereichen wird das Tenifer-QPQ angewendet? \u2713 Geeignete Werkstoffe &amp; Vorteile.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/haertha.de\/en\/process\/tenifer-qpq\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Tenifer-QPQ | H\u00c4RTHA GROUP\" \/>\n<meta property=\"og:description\" content=\"Tenifer-QPQ \u2713 In welchen Bereichen wird das Tenifer-QPQ angewendet? \u2713 Geeignete Werkstoffe &amp; Vorteile.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/haertha.de\/en\/process\/tenifer-qpq\/\" \/>\n<meta property=\"og:site_name\" content=\"H\u00c4RTHA GROUP\" \/>\n<meta property=\"article:modified_time\" content=\"2025-03-05T12:38:16+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/ferrit_9_lq2.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1333\" \/>\n\t<meta property=\"og:image:height\" content=\"1333\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/haertha.de\/en\/process\/tenifer-qpq\/\",\"url\":\"https:\/\/haertha.de\/en\/process\/tenifer-qpq\/\",\"name\":\"Tenifer-QPQ | H\u00c4RTHA GROUP\",\"isPartOf\":{\"@id\":\"https:\/\/haertha.de\/it\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/haertha.de\/en\/process\/tenifer-qpq\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/haertha.de\/en\/process\/tenifer-qpq\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/haertha.de\/wp-content\/uploads\/2025\/02\/ferrit_9_lq2.jpg\",\"datePublished\":\"2025-02-28T10:57:25+00:00\",\"dateModified\":\"2025-03-05T12:38:16+00:00\",\"description\":\"Tenifer-QPQ \u2713 In welchen Bereichen wird das Tenifer-QPQ angewendet? 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