{"id":541,"date":"2025-05-22T14:13:08","date_gmt":"2025-05-22T12:13:08","guid":{"rendered":"https:\/\/www.nitinox.com\/?page_id=541"},"modified":"2026-09-21T10:51:55","modified_gmt":"2026-09-21T08:51:55","slug":"precipitation-hardening-en-14545-uns-s15500","status":"publish","type":"page","link":"https:\/\/nitinox.com\/en\/materiales\/precipitation-hardening\/precipitation-hardening-en-14545-uns-s15500\/","title":{"rendered":"PRECIPITATION HARDENING \/ EN 1.4545 \/ UNS S15500"},"content":{"rendered":"<h1>15-5 PH \/ EN 1.4545: Acero inoxidable endurecible por precipitaci\u00f3n<\/h1>\n<p>La aleaci\u00f3n <strong>15-5 PH<\/strong> (tambi\u00e9n conocida como <strong>EN 1.4545<\/strong>, XM-12 o UNS S15500) es un acero inoxidable martens\u00edtico endurecible por precipitaci\u00f3n. Desarrollado como una evoluci\u00f3n de la aleaci\u00f3n 17-4 PH, este material destaca por su extraordinaria combinaci\u00f3n de alta resistencia mec\u00e1nica, dureza, excelente tenacidad y ductilidad mejorada. Adem\u00e1s, el acero <strong>15-5 PH<\/strong> ofrece una resistencia a la corrosi\u00f3n comparable al grado 304 en la mayor\u00eda de los entornos industriales, siendo una soluci\u00f3n id\u00f3nea para sectores de alta exigencia.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-1298\" src=\"https:\/\/www.nitinox.com\/wp-content\/uploads\/2025\/06\/nitinox-exterior-03.jpg\" alt=\"Barras y piezas de acero inoxidable 15-5 PH EN 1.4545 en el almac\u00e9n de Nitinox\" width=\"760\" height=\"500\" \/><\/p>\n<h2 class=\"title-section\">Propiedades y caracter\u00edsticas del grado 15-5 PH<\/h2>\n<p>La microestructura homog\u00e9nea del <strong>15-5 PH<\/strong> se obtiene habitualmente mediante procesos de refundici\u00f3n por arco bajo vac\u00edo (VAR). De esta forma, el material alcanza propiedades isotr\u00f3picas superiores en la direcci\u00f3n transversal. Tras un tratamiento t\u00e9rmico de envejecimiento a baja temperatura, logra prestaciones mec\u00e1nicas excepcionales sin distorsiones significativas.<\/p>\n<h3>Resumen de propiedades (Overview)<\/h3>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2; border-bottom: 2px solid #ddd;\">\n<th style=\"padding: 10px;\">Propiedad<\/th>\n<th style=\"padding: 10px;\">Valor (T\u00edpico)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr style=\"border-bottom: 1px solid #ddd;\">\n<td style=\"padding: 10px;\">Densidad<\/td>\n<td style=\"padding: 10px;\">7.80 g\/cm\u00b3<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #ddd;\">\n<td style=\"padding: 10px;\">Dureza (Recocido de Soluci\u00f3n)<\/td>\n<td style=\"padding: 10px;\">\u2264 363 HBW (~38 HRC)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #ddd;\">\n<td style=\"padding: 10px;\">Magnetismo<\/td>\n<td style=\"padding: 10px;\">S\u00ed (Martens\u00edtico)<\/td>\n<\/tr>\n<tr style=\"border-bottom: 1px solid #ddd;\">\n<td style=\"padding: 10px;\">Resistencia a la Corrosi\u00f3n<\/td>\n<td style=\"padding: 10px;\">Similar al AISI 304 \/ EN 1.4301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Est\u00e1ndares y equivalencias internacionales<\/h3>\n<p>La aleaci\u00f3n <strong>15-5 PH<\/strong> cumple con m\u00faltiples especificaciones t\u00e9cnicas en normativas internacionales:<\/p>\n<table style=\"width:100%; border-collapse: collapse; margin-bottom: 20px; text-align: left;\">\n<thead>\n<tr style=\"background-color: #f2f2f2; border-bottom: 2px solid #ddd;\">\n<th style=\"padding: 10px;\">DIN \/ EN<\/th>\n<th style=\"padding: 10px;\">UNS<\/th>\n<th style=\"padding: 10px;\">ASTM \/ AISI<\/th>\n<th style=\"padding: 10px;\">Werkstoff-Nr.<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px;\">X5CrNiCu15-5<\/td>\n<td style=\"padding: 10px;\">S15500<\/td>\n<td style=\"padding: 10px;\">XM-12 \/ 15-5 PH<\/td>\n<td style=\"padding: 10px;\">1.4545<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 class=\"title-section\">Aplicaciones industriales en el mundo real<\/h2>\n<p>Debido a su alta fiabilidad y resistencia al agrietamiento por corrosi\u00f3n bajo tensi\u00f3n, el acero <strong>15-5 PH<\/strong> es ampliamente utilizado en componentes cr\u00edticos. Entre sus aplicaciones principales destacan:<\/p>\n<ul>\n<li><strong>Sector Aeroespacial:<\/strong> Rieles de flaps de alas, actuadores y elementos estructurales para trenes de aterrizaje.<\/li>\n<li><strong>Petr\u00f3leo y Gas:<\/strong> Componentes <em>downhole<\/em> sometidos a elevadas presiones y ambientes corrosivos.<\/li>\n<li><strong>Industria Qu\u00edmica y Procesado:<\/strong> Ejes de bombas, v\u00e1lvulas de control y engranajes de alta precisi\u00f3n.<\/li>\n<li><strong>Sectores Diversos:<\/strong> Componentes para la industria nuclear, defensa, equipamiento marino y rodamientos de precisi\u00f3n.<\/li>\n<\/ul>\n<p>Para conocer la disponibilidad de este material o solicitar servicios de dimensionado a medida, puede consultar nuestros <a href=\"\/en\/services\/metal-cutting-and-processing-services\/\">metal cutting and processing services<\/a>.<\/p>\n<h2 class=\"title-section\">Procesamiento y tratamiento t\u00e9rmico<\/h2>\n<p>El comportamiento mec\u00e1nico del <strong>15-5 PH<\/strong> depende directamente de los tratamientos t\u00e9rmicos aplicados tras la conformaci\u00f3n:<\/p>\n<ul>\n<li><strong>Tratamiento de Soluci\u00f3n (Condici\u00f3n A):<\/strong> Se suministra habitualmente tras un calentamiento a ~1040\u00b0C seguido de un enfriamiento r\u00e1pido. En esta condici\u00f3n, el material se puede mecanizar con facilidad.<\/li>\n<li><strong>Envejecimiento (Endurecimiento por Precipitaci\u00f3n):<\/strong> Se realiza mediante tratamientos t\u00e9rmicos a temperaturas que oscilan entre 480\u00b0C (H900) y 620\u00b0C (H1150). Este proceso incrementa notablemente la resistencia a la tracci\u00f3n y la dureza.<\/li>\n<li><strong>Forjado y Conformado:<\/strong> Presenta una excelente forjabilidad cuando se trabaja en rangos de temperatura entre 1150\u00b0C y 1200\u00b0C.<\/li>\n<li><strong>Soldabilidad:<\/strong> Admite m\u00e9todos de soldadura est\u00e1ndar (TIG, MIG). Sin embargo, se recomienda aplicar un tratamiento t\u00e9rmico posterior para homogeneizar las propiedades de la zona afectada por el calor.<\/li>\n<\/ul>\n<p>Puede obtener m\u00e1s informaci\u00f3n t\u00e9cnica sobre normativas de aceros inoxidables en el portal oficial de <a href=\"https:\/\/www.astm.org\" target=\"_blank\" rel=\"noopener\">ASTM International Standards<\/a>.<\/p>\n<p>Si desea solicitar un presupuesto o requiere asesoramiento t\u00e9cnico sobre <strong>15-5 PH<\/strong> (EN 1.4545), le invitamos a ponerse en <a href=\"\/en\/contact-us\/\">Contact our sales team<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>15-5 PH \/ EN 1.4545: Acero inoxidable endurecible por precipitaci\u00f3n La aleaci\u00f3n 15-5 PH (tambi\u00e9n conocida como EN 1.4545, XM-12 o UNS S15500) es un acero inoxidable martens\u00edtico endurecible por precipitaci\u00f3n. Desarrollado como una evoluci\u00f3n de la aleaci\u00f3n 17-4 PH, este material destaca por su extraordinaria combinaci\u00f3n de alta resistencia mec\u00e1nica, dureza, excelente tenacidad y [&hellip;] <a class=\"more-link\" href=\"https:\/\/nitinox.com\/en\/materiales\/precipitation-hardening\/precipitation-hardening-en-14545-uns-s15500\/\">Read More &#10095;&#10095;<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":309,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_genesis_hide_title":false,"_genesis_hide_breadcrumbs":false,"_genesis_hide_singular_image":false,"_genesis_hide_footer_widgets":false,"_genesis_custom_body_class":"","_genesis_custom_post_class":"","_genesis_layout":"","pgc_sgb_lightbox_settings":"","footnotes":""},"class_list":["post-541","page","type-page","status-publish","entry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PRECIPITATION HARDENING \/ EN 1.4545 \/ UNS S15500 - Nitinox<\/title>\n<meta name=\"description\" content=\"Descubra las propiedades del acero inoxidable 15-5 PH (EN 1.4545 \/ UNS S15500). 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