{"id":9332,"date":"2021-07-27T14:13:52","date_gmt":"2021-07-27T14:13:52","guid":{"rendered":"https:\/\/www.paulo.com\/?post_type=capabilities&#038;p=9332"},"modified":"2026-01-13T21:06:45","modified_gmt":"2026-01-13T21:06:45","slug":"annealing","status":"publish","type":"capabilities","link":"https:\/\/www.paulo.com\/es\/capabilities\/procesa\/tratamiento-termico\/recocido\/","title":{"rendered":"Recalentamiento"},"content":{"rendered":"<section  id=\"block_f36675305fdeeb9b6f7f49c2c9d11b34\"\n  class=\"hero hero position-relative full-width\"\n      style=\"background: #000000 url(https:\/\/www.paulo.com\/wp-content\/uploads\/2021\/07\/Annealing--1.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                        Recalentamiento\n          <\/p>\n                          <h1 class=\"title title-48 text-lowercase\">Recalentamiento\n                      <\/h1>\n                          <p class=\"text\">El recalentamiento es un proceso de tratamiento t\u00e9rmico que cambia las propiedades f\u00edsicas y qu\u00edmicas de un material para incrementar ductilidad y reducir dureza.<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<h3 class=\"wp-block-heading\">Temperaturas cr\u00edticas, refrigeraci\u00f3n controlada.<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">El recocido es un proceso de tratamiento t\u00e9rmico que consiste en calentar el acero u otros metales por debajo, entre o por encima de una temperatura cr\u00edtica en la que los granos constituyentes recristalizan y el carburo se redistribuye por todo el material. A continuaci\u00f3n se produce un enfriamiento controlado para reducir la dureza y aumentar la tenacidad, la ductilidad y la maquinabilidad de un metal.<\/p>\n\n\n<section  id=\"block_96bf7b659d313f74cd32ad6912ab7094\"\n  class=\"feature-highlights\">\n  <div class=\"container position-relative py-5 pr-5\">\n    <div class=\"row\">\n      \n      \n                      <div class=\"col-12 col-lg-6\">\n          <h4 class=\"paragraph\">Etapa 1 - Recuperaci\u00f3n<\/h4>\n          <p>La recuperaci\u00f3n es un proceso que act\u00faa para restaurar las propiedades f\u00edsicas de los metales.<\/p>\n\n        <\/div>\n                      <div class=\"col-12 col-lg-6\">\n          <h4 class=\"paragraph\">Etapa 3 - Crecimiento del grano<\/h4>\n          <p>Cuando se deja que el recocido contin\u00fae despu\u00e9s de la recristalizaci\u00f3n, la microestructura del metal se vuelve tosca y pierde resistencia, que normalmente puede recuperarse mediante un proceso de endurecimiento.<\/p>\n\n        <\/div>\n                      <div class=\"col-12 col-lg-6\">\n          <h4 class=\"paragraph\">Etapa 2 - Recristalizaci\u00f3n<\/h4>\n          <p>Las piezas deben calentarse a una temperatura superior a su temperatura de recristalizaci\u00f3n para sustituir los granos deformados de la estructura cristalina por otros nuevos, sin tensiones, desarrollados durante la recuperaci\u00f3n.<\/p>\n\n        <\/div>\n          <\/div>\n  <\/div>\n<\/section>\n\n\n\n<h4 class=\"wp-block-heading\">Obtenga el proceso adecuado para su trabajo.<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">El tipo espec\u00edfico de procedimiento de recocido utilizado para el acero var\u00eda en funci\u00f3n del tipo de material que se trate. Las principales diferencias entre estos procedimientos son la temperatura m\u00e1xima y la velocidad de enfriamiento utilizadas en cada uno de ellos. En muchos casos, el proceso de recocido se lleva a cabo como parte del proceso general de fabricaci\u00f3n.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Tipos de recocido:<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recocido completo<\/strong> - El recocido completo consiste en calentar el material hasta una temperatura en la que se austeniza por completo. Este tipo de recocido se realiza en algunos aceros inoxidables y superaleaciones, entre otros.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recocido intercr\u00edtico<\/strong> - Este nivel de recocido funciona entre la temperatura cr\u00edtica inferior (en la que empieza a formarse la austenita) y la temperatura cr\u00edtica superior (en la que la austenita est\u00e1 completamente formada) de un material. Suele realizarse en materiales como aceros al carbono, aceros aleados y aleaciones de ingenier\u00eda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Recocido subcr\u00edtico<\/strong> - La temperatura con este tipo de proceso de recocido se mantiene totalmente por debajo de la temperatura cr\u00edtica en la que un material comienza a formar austenita. Tambi\u00e9n puede llevarse a cabo en aceros al carbono, aceros aleados y aleaciones de ingenier\u00eda, pero suele realizarse como paso intermedio entre las secuencias de fabricaci\u00f3n.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\"><section  id=\"block_ca87554d890150b261cbf632953953ff\"\n  class=\"related-content-sidebar\">\n  <div class=\"container\">\n                  \n        <div class=\"related-content-container related-content-markets mb-4\">\n          <b class=\"d-block\">Mercados<\/b>\n                                                <a href=\"https:\/\/www.paulo.com\/es\/markets\/defensa-aeroespacial\/\">Espacio<\/a>\n                                                            <a href=\"https:\/\/www.paulo.com\/es\/markets\/herramienta-matriz\/\">Herramientas y matrices<\/a>\n                              <\/div>\n\n                        \n        <div class=\"related-content-container 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                   <\/div>\n                                            <\/div>\n                    <div class=\"swiper-buttons-wrapper\">\n                        <div class=\"swiper-button-prev\">\n                            <img decoding=\"async\" src=\"https:\/\/www.paulo.com\/wp-content\/themes\/paulo\/dist\/images\/circle-arrow-left_d1e87b11.svg\">\n                        <\/div>\n                        <div class=\"swiper-button-next\">\n                            <img decoding=\"async\" src=\"https:\/\/www.paulo.com\/wp-content\/themes\/paulo\/dist\/images\/circle-arrow-right_f2999d47.svg\">\n                        <\/div>\n                    <\/div>\n                <\/div>\n            <\/div>\n\n\n        <\/div>\n    <\/section>\n    \n    <script>\n        const featuredResourcesSlider = new Swiper('.featured-resources-slider', {\n            autoplay: false,\n            loop: true,\n            navigation: {\n                nextEl: '.swiper-button-next',\n                prevEl: '.swiper-button-prev',\n            },\n        });\n    <\/script>\n<\/div>\n<\/div>\n\n\n<div class=\"faq-single-wrapper\">\n    <div class=\"faq-header\">\n        <h2>Annealing FAQs<\/h2>\n    <\/div>\n    <section class=\"faq-main-container\">\n                                    <div class=\"faq-item\" id=\"faq-13066\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        Do annealed parts come out clean and bright, or will they have scale?\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\">Full anneals typically result in some surface oxidation or scale, particularly when performed in air atmosphere furnaces. If you need bright, clean surfaces\u2014common for stainless steels\u2014vacuum annealing is the better choice. Vacuum annealing processes parts in a low-pressure, inert atmosphere that prevents oxidation, leaving parts bright and shiny.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13064\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        How soft can you make my parts through annealing?\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\">That depends entirely on the specific material. Different alloys, and even differences in material chemistry between heat, can respond differently to annealing processes, and each has its own achievable hardness range. Rather than providing a one-size-fits-all number, we work with you to understand your target hardness and manufacturing requirements, then recommend the appropriate annealing process to get you there.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13056\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        What is annealing?\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\">Annealing is a heat treatment process that heats steel or other metals above their critical temperature and then slow-cools them to reduce hardness and increase ductility and machinability. Think of it as softening the material to make it easier to work with in subsequent manufacturing steps like machining, forming, or further heat treatment. <\/span><a href=\"https:\/\/www.paulo.com\/es\/resources\/que-es-annealing\/\"><span style=\"font-weight: 400\">Learn more about annealing<\/span><\/a><span style=\"font-weight: 400\">.\u00a0<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13062\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        What is spheroidize annealing?\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\">Spheroidize annealing is a specialized, longer annealing process, typically 10 to 12 hours, that creates the softest, most formable material structure possible. The carbides in the steel form into small spheres, which maximizes ductility and formability. While this level of softness is rarely needed in final parts, it&#8217;s valuable when you need maximum machinability or extreme formability for complex forming operations.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13060\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        What&#039;s the difference between a full anneal and a subcritical anneal?\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\">A full anneal heats parts above the critical temperature for the material, typically around 1,600\u00b0F for most steels, to completely recrystallize the grain structure, making the material as soft as possible. A subcritical anneal (sometimes called a low-temperature anneal or temper) operates in the 900\u20131,200\u00b0F range and reduces hardness without the full recrystallization process.<\/span><\/p>\n<\/div>\n                    <\/div>\n                <\/div>\n                            <div class=\"faq-item\" id=\"faq-13058\" itemscope itemtype=\"https:\/\/schema.org\/Question\">\n                    <h3 itemprop=\"name\" class=\"faq-question\">\n                        What&#039;s the recommended process sequence when annealing is involved?\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\">The optimal sequence depends on your end goal. If you&#8217;re annealing to prepare for machining, you&#8217;d anneal first, then machine. If you&#8217;ve previously hardened parts and need to soften them for additional work, annealing comes after the initial heat treatment. For cold-forming operations, particularly with stainless steel, you may need to anneal between forming steps as the material work-hardens.<\/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_b3c0afaa26457875c3fbea2794cbd944\"\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_3.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;\">Hablemos.<\/h2>\n\n          <p class=\"text text-center mx-auto mb-4\" style=\"color: #ffffff;\">Cuando est\u00e9 listo para abordar su pr\u00f3ximo proyecto, cuente con Paulo para estar all\u00ed con precisi\u00f3n y control. Solicite un presupuesto o p\u00f3ngase en contacto con nosotros hoy mismo para obtener m\u00e1s informaci\u00f3n sobre nuestros procesos de recocido.\r\n<\/p>\n    \n                  <a class=\"button    btn-clr-white  m-auto\" href=\"https:\/\/www.paulo.com\/es\/solicitud-de-presupuesto-v2-2\/\" target=\"\">Solicita una cotizaci\u00f3n<\/a>\n          \n  <\/div>\n<\/section>","protected":false},"excerpt":{"rendered":"<p>El recalentamiento es un proceso de tratamiento t\u00e9rmico que cambia las propiedades f\u00edsicas y qu\u00edmicas de un material para incrementar ductilidad y reducir dureza.<\/p>","protected":false},"author":5,"featured_media":9337,"parent":1204,"menu_order":0,"template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-9332","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\/ 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