{"id":9338,"date":"2021-07-27T14:27:19","date_gmt":"2021-07-27T14:27:19","guid":{"rendered":"https:\/\/www.paulo.com\/?post_type=capabilities&#038;p=9338"},"modified":"2026-02-26T23:20:13","modified_gmt":"2026-02-26T23:20:13","slug":"precipitation-hardening","status":"publish","type":"capabilities","link":"https:\/\/www.paulo.com\/es\/capabilities\/procesa\/tratamiento-termico\/endurecimiento-por-precipitacion\/","title":{"rendered":"Endurecimiento por precipitaci\u00f3n"},"content":{"rendered":"<section  id=\"block_5975ca56665195c28cf0022324881ff0\"\n  class=\"hero hero position-relative full-width\"\n      style=\"background: #000000 url(https:\/\/www.paulo.com\/wp-content\/uploads\/2021\/07\/Precipitation-Hardening.jpg) center \/ cover no-repeat;\"\n    >\n\n  <div class=\"overlay position-absolute w-100 h-100\"><\/div>\n\n  \n  <div class=\"container hero-layer hero-layer--front\">\n    <div class=\"row align-items-center\">\n\n      <div class=\"col-12 col-lg-8\">\n                  <p class=\"paulo-breadcrumb small-text text-uppercase\">\n                                          capacidades &gt;\n                                                    <a href=\"https:\/\/www.paulo.com\/es\/capabilities\/procesa\/tratamiento-termico\/\">Tratamiento t\u00e9rmico<\/a> &gt;\n                        Endurecimiento por precipitaci\u00f3n\n          <\/p>\n                          <h1 class=\"title title-48 text-lowercase\">Endurecimiento por precipitaci\u00f3n\n                      <\/h1>\n                          <p class=\"text\">A veces denominado \"endurecimiento por envejecimiento\", el endurecimiento por precipitaci\u00f3n es una t\u00e9cnica destinada a aumentar la resistencia de un material para incrementar su fuerza. Este proceso se utiliza con muchos materiales, como los aceros martens\u00edticos, el aluminio, algunos aceros inoxidables y las superaleaciones, entre otros.<br \/>\r\n<\/p>\n        \n         \n                  \n                      <\/div>\n      \n    <\/div>\n  <\/div>\n\n  \n  <div class=\"container position-relative hero-layer hero-layer--middle\">\n      <\/div>\n\n  \n  <div class=\"video-wrapper position-absolute overflow-hidden text-center text-lg-left hero-layer hero-layer--back\">\n      <\/div>\n\n<\/section>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<h2 class=\"wp-block-heading\">Fortaleza a trav\u00e9s del envejecimiento.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">El endurecimiento por precipitaci\u00f3n es un proceso de tratamiento t\u00e9rmico utilizado para aumentar el l\u00edmite el\u00e1stico de la mayor\u00eda de las aleaciones y de algunos aceros y aceros inoxidables. Proporciona a las superaleaciones una excelente resistencia a altas temperaturas. Este proceso suele seguir un <a href=\"https:\/\/www.paulo.com\/es\/capabilities\/procesa\/tratamiento-termico\/recocido\/\">recocido<\/a> o <a href=\"https:\/\/www.paulo.com\/es\/capabilities\/procesa\/tratamiento-termico\/tratamiento-de-la-solucion\/\">tratamiento de la soluci\u00f3n<\/a>En la fase de envejecimiento, el metal se calienta a temperaturas muy elevadas y luego se enfr\u00eda para evitar la formaci\u00f3n de precipitados en la aleaci\u00f3n. El \u00faltimo paso consiste en envejecer el metal calent\u00e1ndolo de nuevo, pero por debajo de la temperatura de solubilidad para cambiar la solubilidad de los precipitados. El endurecimiento por precipitaci\u00f3n suele distinguirse del revenido por el hecho de que requiere que el material se mantenga a temperaturas m\u00e1s altas durante m\u00e1s tiempo. Este proceso no s\u00f3lo produce aleaciones m\u00e1s fuertes, sino que tambi\u00e9n facilita el mecanizado, reduce la flexibilidad y produce una mayor resistencia a la tracci\u00f3n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Soluciones en las que puede confiar, tecnolog\u00eda con la que puede contar.<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Encontrar la atm\u00f3sfera adecuada para proteger sus piezas es fundamental. En Paulo, hemos invertido en un dise\u00f1o a medida <a href=\"https:\/\/www.paulo.com\/es\/capabilities\/equipo\/\">hornos<\/a> que pueden manejar atm\u00f3sferas de aire, arg\u00f3n, hidr\u00f3geno y helio, adem\u00e1s de hornos de vac\u00edo y de templado con agua. Tambi\u00e9n disponemos de la m\u00e1s amplia gama de hornos controlados por ordenador del sector que funcionan las 24 horas del d\u00eda y ofrecen el control preciso de la temperatura, las velocidades de calentamiento, las temperaturas de inmersi\u00f3n y las velocidades de enfriamiento que exige su proyecto, independientemente del calendario de entrega.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u00bfCu\u00e1l es la diferencia de Paulo?<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">- M\u00faltiples termopares para garantizar la uniformidad de las temperaturas en todos los lotes<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Tratamiento y envejecimiento de la soluci\u00f3n en un solo ciclo, lo que disminuye el tiempo de manipulaci\u00f3n y mejora los plazos de entrega<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">- Enfriamiento r\u00e1pido en hornos de vac\u00edo de temple a alta presi\u00f3n para mantener las microestructuras deseadas<\/p>\n<\/div>\n\n\n\n<div 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You may hear customers, engineers, or specifications reference either term, but they&#8217;re describing the identical heat treatment operation.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The term &#8220;precipitation hardening&#8221; refers to the fine precipitate particles that form during the process, while &#8220;age hardening&#8221; emphasizes the time and temperature used to develop these strengthening phases. Both terms accurately describe how the process works: holding the material at elevated temperatures to allow hardening to occur through precipitation.<\/span><\/p>\n<p><span style=\"font-weight: 400\">At Paulo, we use both terms depending on customer preference and specification language, but the process and results remain exactly the same.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13277\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        Can all non-ferrous alloys be strengthened by precipitation hardening?\n                        <span class=\"toggle-icon\">+<\/span>\n                    <\/h3>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" class=\"faq-answer\">\n                        <div itemprop=\"text\"><p><span style=\"font-weight: 400\">No, precipitation hardening only works for specific materials that have the right alloying elements to form strengthening precipitates. The material must be specifically designed with elements that can dissolve at high temperatures and then precipitate out at lower temperatures to create the hardening effect.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Non-ferrous materials that are commonly precipitation hardened:<\/span><\/p>\n<p><span style=\"font-weight: 400\">Aluminum Alloys:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Aluminum 2024, copper-based alloy for aerospace applications<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Aluminum 6061, magnesium-silicon alloy for structural applications<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Aluminum 7075, zinc-based alloys for high-strength applications<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Superalloys:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Inconel 718 (aerospace and high-temperature applications)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Other nickel-based superalloys with precipitation-forming elements<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Non-ferrous alloys that CANNOT be precipitation hardened:<\/span><\/p>\n<p><span style=\"font-weight: 400\">Many non-ferrous alloys simply lack the necessary alloying elements to form strengthening precipitates. If an aluminum, copper, or nickel alloy doesn&#8217;t contain the necessary precipitation-forming elements (such as copper or magnesium in aluminum alloys, or aluminum and titanium in nickel superalloys), it cannot be strengthened through this process regardless of the heat treatment applied.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ferrous (iron-based) alloys commonly precipitation hardened:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">17-4 stainless (most common) &#8211; aerospace tooling, engine parts, tool and die applications, firearms<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">15-5 stainless &#8211; aerospace applications, dimensional stability requirements<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">17-7 stainless &#8211; aerospace applications<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">13-8Mo stainless &#8211; high-strength aerospace and tool applications<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">A286 stainless &#8211; aerospace and specialty automotive fasteners, high corrosion and heat resistance<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">These precipitation hardenable stainless steels combine the corrosion resistance of stainless with the ability to achieve high strength through aging, making them extremely valuable for demanding applications where both properties are required.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13281\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        How much will my parts move during precipitation hardening?\n                        <span class=\"toggle-icon\">+<\/span>\n                    <\/h3>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" class=\"faq-answer\">\n                        <div itemprop=\"text\"><p><span style=\"font-weight: 400\">Precipitation hardening produces very minimal distortion compared to other heat treatment processes\u2014this is one of its key advantages. The aging temperatures are relatively low (900\u00b0F-1,300\u00b0F range), which means you don&#8217;t get significant thermal distortion. The only dimensional change comes from volume changes as precipitates form in the material&#8217;s structure.<\/span><\/p>\n<p><b>Typical shrinkage rates:<\/b><span style=\"font-weight: 400\"> Approximately 0.0004 to 0.0008 inches per inch of length, depending on the material grade and part length. While this is a very small amount, it&#8217;s important to account for during design and machining.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13279\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        Should precipitation hardening be done in vacuum or in air?\n                        <span class=\"toggle-icon\">+<\/span>\n                    <\/h3>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" class=\"faq-answer\">\n                        <div itemprop=\"text\"><p><span style=\"font-weight: 400\">Both air and vacuum processing can achieve excellent results for precipitation hardening\u2014the choice depends on your part&#8217;s finish requirements, specifications, and cost considerations.<\/span><\/p>\n<p><span style=\"font-weight: 400\">When to specify vacuum processing:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">When specifications require &#8220;bright and shiny&#8221; finish or &#8220;no scale&#8221;<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">For finished parts where surface appearance is critical<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">When subsequent operations would be complicated by oxidation<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">When specifications explicitly call out vacuum processing<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">When air processing works well:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">For bars, plates, or material processed before final machining (any oxidation will be removed during subsequent operations)<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">When surface appearance isn&#8217;t critical to function<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">For cost-sensitive applications where surface finishing isn&#8217;t specified<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">Important note on distortion: There is no difference in dimensional movement between vacuum and air processing for precipitation hardening. Both methods work at the same temperatures and produce the same minimal distortion\u2014the only difference is surface appearance.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Some customer specifications will explicitly state whether vacuum or air is required. When specifications allow either method, we recommend air processing unless you have specific cosmetic or cleanliness requirements.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13273\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        What is precipitation hardening and how does it work?\n                        <span class=\"toggle-icon\">+<\/span>\n                    <\/h3>\n                    <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" class=\"faq-answer\">\n                        <div itemprop=\"text\"><p><span style=\"font-weight: 400\">Precipitation hardening (also called age hardening) is a heat treatment process that increases the strength, hardness, and high-temperature performance of certain alloys. This process is commonly used for stainless steels like 17-4, 15-5, and 17-7, as well as superalloys such as Inconel 718.<\/span><\/p>\n<p><span style=\"font-weight: 400\">The process works in two main steps:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Step 1 &#8211; Solution Treating: The material is heated to ultra-high temperatures to dissolve strengthening elements (like copper in stainless steels) completely into the crystal structure. The part is then rapidly cooled (quenched) to lock this uniform structure in place. Many customers purchase material already solution treated in what&#8217;s called &#8220;Condition A,&#8221; allowing them to complete most machining before heat treatment.<\/span><\/li>\n<li style=\"font-weight: 400\"><span style=\"font-weight: 400\">Step 2 &#8211; Aging (Precipitation Hardening): The material is reheated to a lower temperature\u2014typically in the 900\u00b0F to 1,300\u00b0F range\u2014and held for an extended period. During this aging step, fine precipitate particles form throughout the material&#8217;s structure, significantly increasing its strength and hardness without requiring the severe quenching used in other hardening processes.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400\">At Paulo, we can perform both steps or just the aging step for materials already in Condition A. Our multiple thermocouples ensure uniform temperatures across entire lots, and our one-cycle solution treat and age capability decreases handling time while improving turnaround.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                        <\/section>\n<\/div>\n\n<script>\n    jQuery(document).ready(function($) {\n        var headerOffset = 100; \/\/ Adjust this value as necessary\n\n        \/\/ FAQ toggle functionality\n        $('.faq-question').on('click', function() {\n            var answer = $(this).next('.faq-answer');\n            answer.slideToggle(200);\n\n            var icon = $(this).find('.toggle-icon');\n            if (icon.text() === '+') {\n                icon.text('-');\n            } else {\n                icon.text('+');\n            }\n        });\n\n        \/\/ Toggle dropdown menu on button click\n        $('#dropdownButton').on('click', function() {\n            $(this).toggleClass('active');\n            $('#dropdownMenu').slideToggle(200);\n        });\n\n        \/\/ Handle dropdown item click\n        $('.dropdown-item').on('click', function(e) {\n            e.preventDefault();\n\n            var targetElement = $($(this).attr('href'));\n            var elementPosition = targetElement.offset().top;\n            var offsetPosition = elementPosition - headerOffset;\n\n            $('html, body').animate({\n                scrollTop: offsetPosition\n            }, 600);\n\n            \/\/ Reset button text to placeholder and remove active class\n            $('#dropdownButton').removeClass('active').contents().filter(function() {\n                return this.nodeType == 3; \/\/ Text node\n            }).remove();\n            $('#dropdownButton').prepend('Select FAQ ');\n            $('#dropdownMenu').slideUp(200);\n        });\n\n        \/\/ Close dropdown if clicked outside\n        $(document).on('click', function(event) {\n            if (!$(event.target).closest('.custom-dropdown').length) {\n                $('#dropdownButton').removeClass('active');\n                $('#dropdownMenu').slideUp(200);\n            }\n        });\n\n        \/\/ Prevent close on button click\n        $('#dropdownButton').on('click', function(event) {\n            event.stopPropagation();\n        });\n    });\n<\/script>\n\n\n<section  id=\"block_2bd09e9644f3f8beff2a2ba54c9cf18b\"\n  class=\"call-to-action call-to-action block   full-width\"\n    style=\"background:  url(https:\/\/www.paulo.com\/wp-content\/uploads\/2021\/07\/CTA-1.jpg) center \/ cover no-repeat;    \">\n      <div class=\"overlay position-absolute w-100 h-100\"><\/div>\n    <div class=\"container text-center\">\n    \n    <h2 class=\"text-center\" style=\"color: #ffffff;\">Conf\u00ede sus piezas a Paulo<\/h2>\n\n          <p class=\"text text-center mx-auto mb-4\" style=\"color: #ffffff;\">\u00bfNecesita servicios de endurecimiento por precipitaci\u00f3n para su pr\u00f3ximo proyecto? Podemos proporcionarle resultados precisos y exactos. Tr\u00e1iganos sus retos y resolv\u00e1moslos juntos.<\/p>\n    \n                  <a class=\"button    btn-clr-white  m-auto\" href=\"#\" target=\"\">Inicie su cotizaci\u00f3n<\/a>\n          \n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>Resistencia por envejecimiento. El endurecimiento por precipitaci\u00f3n es un proceso de tratamiento t\u00e9rmico utilizado para aumentar el l\u00edmite el\u00e1stico de la mayor\u00eda de las aleaciones y de algunos aceros y aceros inoxidables. Proporciona a las superaleaciones una excelente resistencia a altas temperaturas. Este proceso suele seguir a un tratamiento de recocido o de disoluci\u00f3n, en el que el metal se calienta a temperaturas ultraelevadas y luego se enfr\u00eda para evitar precipitados ... <a href=\"https:\/\/www.paulo.com\/es\/capabilities\/procesa\/tratamiento-termico\/endurecimiento-por-precipitacion\/\">Contin\u00faa<\/a><\/p>","protected":false},"author":5,"featured_media":9339,"parent":1204,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-9338","capabilities","type-capabilities","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Precipitation Hardening - Paulo<\/title>\n<meta name=\"description\" content=\"Precipitation or age hardening is the procedure used to increase the strength of a material following solution treatment.\" \/>\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.paulo.com\/es\/capabilities\/procesa\/tratamiento-termico\/endurecimiento-por-precipitacion\/\" \/>\n<meta property=\"og:locale\" content=\"es_MX\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Precipitation Hardening - 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