{"id":9452,"date":"2025-12-02T10:11:01","date_gmt":"2025-12-02T02:11:01","guid":{"rendered":"https:\/\/www.cncmachiningshops.com\/?p=9452"},"modified":"2026-01-01T10:29:07","modified_gmt":"2026-01-01T02:29:07","slug":"1045-steel","status":"publish","type":"post","link":"https:\/\/www.cncmachiningshops.com\/es\/1045-steel\/","title":{"rendered":"\u00bfQu\u00e9 es el acero 1045? Propiedades, composici\u00f3n, tratamiento t\u00e9rmico y aplicaciones de ingenier\u00eda"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:calc( 1280px + 80px );margin-left: calc(-80px \/ 2 );margin-right: calc(-80px \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:40px;--awb-margin-bottom-large:0px;--awb-spacing-left-large:40px;--awb-width-medium:100%;--awb-spacing-right-medium:40px;--awb-spacing-left-medium:40px;--awb-width-small:100%;--awb-spacing-right-small:40px;--awb-spacing-left-small:40px;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><div data-page-id=\"YjIFdfGBQoo7rBxiXb4cVjWDnwf\" data-lark-html-role=\"root\" data-docx-has-block-data=\"true\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La mayor\u00eda de las veces, cuando los ingenieros preguntan \u201c\u00bfQu\u00e9 es el acero 1045?\u201d no quieren una respuesta de libro de texto. Las personas suelen elegir el acero al carbono 1045 porque es un buen punto intermedio en la familia de los aceros al carbono. Es mucho m\u00e1s resistente que los grados de bajo carbono como el 1018, pero no cuesta tanto, no es tan complicado de trabajar ni es tan sensible al tratamiento t\u00e9rmico como los aceros aleados como el 4140.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 1045 es un acero de medio carbono porque tiene un contenido de carbono de aproximadamente 0.45%. Este nivel de carbono es lo suficientemente alto como para hacer que el material sea m\u00e1s resistente, m\u00e1s resistente al desgaste y mejor para manejar la fatiga, pero no tan alto como para que sea dif\u00edcil de mecanizar o tenga un comportamiento impredecible en el tratamiento t\u00e9rmico. Este equilibrio es justo lo que los dise\u00f1adores necesitan para muchas piezas mec\u00e1nicas.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">En f\u00e1bricas reales, el 1045 se usa a menudo para ejes, pasadores, engranajes, pi\u00f1ones, piezas de cig\u00fce\u00f1al y otras piezas de m\u00e1quina que necesitan soportar m\u00e1s peso del que el acero suave puede manejar de manera segura. El 1045 es m\u00e1s r\u00edgido y m\u00e1s duradero en la superficie que el 1018. Sigue siendo m\u00e1s barato y m\u00e1s f\u00e1cil de trabajar en mecanizado CNC y procesos de tratamiento t\u00e9rmico regulares que los aceros aleados.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Esta gu\u00eda analiza el acero 1045 desde un punto de vista de ingenier\u00eda, examinando su composici\u00f3n qu\u00edmica, l\u00edmites mec\u00e1nicos, opciones de tratamiento t\u00e9rmico y c\u00f3mo se compara con otros aceros comunes de manera estrat\u00e9gica.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Qu\u00e9 hace cada elemento en el acero 1045 y de qu\u00e9 est\u00e1 hecho el acero<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Para entender por qu\u00e9 el acero 1045 es un buen punto intermedio entre los aceros al carbono, necesitas saber qu\u00e9 qu\u00edmicos contiene. El 1045 no se define por la complejidad de la aleaci\u00f3n; en cambio, depende de un sistema de carbono-manganeso cuidadosamente equilibrado.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tabla 1: Composici\u00f3n Qu\u00edmica Est\u00e1ndar (AISI\/SAE 1045)<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Elemento<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Contenido t\u00edpico (wt%)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Funci\u00f3n de ingenier\u00eda<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Carbono (C)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">0.42\u20130.50<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Lo principal que proporciona resistencia. Hace posible la templabilidad.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Manganeso (Mn)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">0.60-0.90<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Facilita el endurecimiento, lo hace m\u00e1s d\u00factil y m\u00e1s resistente en general.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">F\u00f3sforo (P)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2264 0.04<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Control de impurezas (demasiado lo hace menos tenaz).<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Azufre (S)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u2264 0.05<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Este es un control de impurezas que afecta lo f\u00e1cil que es trabajar con el material.<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Hierro (Fe)<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Saldo<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Matriz base.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">C\u00f3mo el Carbono y el Manganeso Afectan la Resistencia<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La caracter\u00edstica definitoria es el contenido de carbono de aproximadamente 0.45%. El carbono hace que aceros como el 1018 sean mucho m\u00e1s resistentes y duros que los aceros de bajo carbono como el 1018. Tambi\u00e9n hace que el 1045 sea f\u00e1cil de templar y revenir, lo que lo hace bueno para ejes y engranajes que necesitan ser resistentes al desgaste.<\/span><\/p>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El manganeso fortalece las soluciones s\u00f3lidas y las hace m\u00e1s templables, lo que significa que las secciones m\u00e1s gruesas pueden obtener una dureza m\u00e1s uniforme durante el temple. El 1045 no tiene elementos de aleaci\u00f3n como cromo o molibdeno, por lo que no puede endurecerse tanto como otros metales. Es por esto que el 1045 no puede \u201cendurecerse en todo el espesor\u201d como el acero 4140: la dureza del n\u00facleo disminuye en secciones transversales m\u00e1s grandes.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Microestructura: La Importancia de la Ferrita-Perlita<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La microestructura del acero 1045 es la mejor manera de entender c\u00f3mo se comporta desde el punto de vista de la ingenier\u00eda. El 1045 tiene mucha perlita, a diferencia de los aceros de bajo carbono que son principalmente ferrita blanda.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Estructura que ha sido laminada o normalizada<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Ferrita blanda y d\u00factil.<\/span><\/strong><span class=\"ng-star-inserted\"> Puede soportar impactos.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Perlita<\/span><\/strong><span class=\"ng-star-inserted\"> Est\u00e1 compuesta por capas duras y resistentes de ferrita y cementita (carburo de hierro). Proporciona resistencia y resistencia al desgaste.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 1045 tiene m\u00e1s perlita que el 1018 porque tiene m\u00e1s carbono. Es por esto que es m\u00e1s resistente y duro por s\u00ed solo, sin tratamiento t\u00e9rmico.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">C\u00f3mo el Tratamiento T\u00e9rmico Cambia la Estructura de las Microestructuras<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Normalizado:<\/span><\/strong><span class=\"ng-star-inserted\"> Hace que el tama\u00f1o de grano sea m\u00e1s peque\u00f1o y distribuye la perlita de manera uniforme. Esto hace que el material sea m\u00e1s tenaz y m\u00e1s f\u00e1cil de trabajar.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Templado y revenido<\/span><\/strong><span class=\"ng-star-inserted\"> Cambia la estructura a martensita, lo que lo hace mucho m\u00e1s duro.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Templado por inducci\u00f3n<\/span><\/strong><span class=\"ng-star-inserted\"> Cambia la superficie a martensita dura mientras deja el n\u00facleo como ferrita-perlita tenaz. Esta es la mejor aplicaci\u00f3n para engranajes y ejes de 1045.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Propiedades Mec\u00e1nicas del Acero 1045 (Recocido vs. Tratado T\u00e9rmicamente)<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El valor del 1045 est\u00e1 en cu\u00e1nto se pueden cambiar sus propiedades mediante el procesamiento.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tabla 2: Propiedades Mec\u00e1nicas Normales<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Condici\u00f3n<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resistencia a la tracci\u00f3n (MPa)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">L\u00edmite el\u00e1stico (MPa)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Dureza<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alargamiento<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Laminado en Caliente<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~570\u2013700<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~310\u2013450<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~170\u2013210 HB<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">16\u201320%<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Estirado en Fr\u00edo<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~690\u2013770<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~590\u2013650<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~220 HB<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">12\u201315%<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Templado y revenido<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~650\u2013900+<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">~500\u2013600+<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">28\u201355 HRC<\/span><\/td>\n<td class=\"ng-star-inserted\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Ten en cuenta que las propiedades cambian mucho dependiendo del tama\u00f1o de la secci\u00f3n y los par\u00e1metros de tratamiento t\u00e9rmico utilizados.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resistencia de Dise\u00f1o y L\u00edmite El\u00e1stico<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Al hacer c\u00e1lculos de dise\u00f1o, ten en cuenta que el 1045 tiene un l\u00edmite el\u00e1stico m\u00e1s alto que el 1018 o el A36. Esto significa que el mismo di\u00e1metro puede tener ejes m\u00e1s ligeros o mayores capacidades de transmisi\u00f3n de par. Pero los dise\u00f1adores no deber\u00edan establecer una dureza m\u00e1xima por defecto porque demasiada dureza reduce la tenacidad y hace que el material sea m\u00e1s fr\u00e1gil.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acero 1045: Opciones de Tratamiento T\u00e9rmico<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Cuando tratas t\u00e9rmicamente el 1045, cambia de un acero que se puede usar para muchas cosas a un material de ingenier\u00eda que se puede ajustar.<\/span><\/p>\n<ol class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Normalizaci\u00f3n y recocido<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Recocido:<\/span><\/strong><span class=\"ng-star-inserted\"> Hace que las cosas sean lo m\u00e1s blandas posible para mecanizado complejo o conformado en fr\u00edo.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Normalizaci\u00f3n<\/span><\/strong><span class=\"ng-star-inserted\"> Es la forma m\u00e1s com\u00fan de tratarlo. Mejora la estructura de grano despu\u00e9s del forjado o laminado, lo que asegura que la pieza sea siempre resistente y f\u00e1cil de mecanizar.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Endurecimiento por temple y revenido<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 1045 se puede enfriar r\u00e1pidamente en aceite o agua para formar martensita.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Limitaci\u00f3n:<\/span><\/strong><span class=\"ng-star-inserted\"> Debido a que no endurece muy bien, solo se endurece unos pocos mil\u00edmetros de profundidad en secciones gruesas. El n\u00facleo sigue siendo blando.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00dasalo:<\/span><\/strong><span class=\"ng-star-inserted\"> Pernos, esp\u00e1rragos y bielas.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Endurecimiento por inducci\u00f3n y por llama (endurecimiento superficial)<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 1045 es el mejor en esto.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Proceso:<\/span><\/strong><span class=\"ng-star-inserted\"> Una bobina de alta frecuencia calienta solo la superficie, y luego un rociador la enfr\u00eda.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El resultado<\/span><\/strong><span class=\"ng-star-inserted\"> Es una dureza superficial de 50 a 55 HRC y un n\u00facleo que es resistente y d\u00factil.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00dasalo:<\/span><\/strong><span class=\"ng-star-inserted\"> V\u00e1stagos de cilindros hidr\u00e1ulicos, \u00e1rboles de levas y dientes de engranajes que necesitan ser resistentes al desgaste en la superficie, pero tambi\u00e9n pueden soportar cargas de impacto sin romperse.<\/span><\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acero 1045: C\u00f3mo trabajar con \u00e9l y CNC Procesarlo<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">En t\u00e9rminos de fabricaci\u00f3n, el 1045 est\u00e1 en el medio. Es m\u00e1s dif\u00edcil de mecanizar que el 1018, pero mucho m\u00e1s f\u00e1cil que el 4140 o el acero inoxidable.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Caracter\u00edsticas de maquinabilidad<\/span><\/h3>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Control de chip:<\/span><\/strong><span class=\"ng-star-inserted\"> La estructura de perlita es mejor para romper virutas que la ferrita gomosa del 1018. Produce buenos acabados superficiales.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Desgaste de las herramientas:<\/span><\/strong><span class=\"ng-star-inserted\"> M\u00e1s carbono significa m\u00e1s abrasividad. La vida \u00fatil de la herramienta es m\u00e1s corta que con el 1018 o el 12L14.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Clasificaci\u00f3n:<\/span><\/strong><span class=\"ng-star-inserted\"> Aproximadamente 55% (AISI 1212 = 100%).<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Consejos para el CNC Mecanizado<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Herramientas:<\/span><\/strong><span class=\"ng-star-inserted\"> Use insertos de carburo recubiertos (TiCN o AlTiN) para manejar el calor y el desgaste.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Use velocidades de desbaste lentas y avances de acabado r\u00e1pidos para evitar que la pieza se endurezca y se frote.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Para tolerancias ajustadas, mecanice la pieza mientras est\u00e1 en estado normalizado o recocido, luego tr\u00e1tela t\u00e9rmicamente y finalmente rectif\u00edquela al tama\u00f1o correcto si es necesario.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Aspectos a considerar al soldar y fabricar piezas<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">La gente piensa que el 1045 se puede soldar, pero deben tener cuidado. No perdona tan f\u00e1cilmente como el A36 o el 1018.<\/span><\/p>\n<h3 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El desaf\u00edo de la soldadura<\/span><\/h3>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El contenido de carbono de 0.45% hace que sea m\u00e1s probable que se forme martensita fr\u00e1gil en la Zona Afectada por el Calor (ZAC) cuando el material se enfr\u00eda r\u00e1pidamente. Esto puede causar grietas.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Consejos \u00fatiles para la soldadura<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Precalentar:<\/span><\/strong><span class=\"ng-star-inserted\"> Precalentar la pieza a 150\u00b0C a 300\u00b0C ralentiza el proceso de enfriamiento, lo que evita que se vuelva fr\u00e1gil.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Temperatura entre pasadas:<\/span><\/strong><span class=\"ng-star-inserted\"> Mantenga el calor entre pasadas.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tratamiento t\u00e9rmico posterior a la soldadura (PWHT):<\/span><\/strong><span class=\"ng-star-inserted\"> Es altamente recomendable aliviar tensiones o revenir la ZAC despu\u00e9s de soldar para que vuelva a ser resistente.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Consumibles:<\/span><\/strong><span class=\"ng-star-inserted\"> Los electrodos de bajo hidr\u00f3geno son necesarios para evitar el agrietamiento por hidr\u00f3geno.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Consejo de ingenier\u00eda:<\/span><\/strong><span class=\"ng-star-inserted\"> No use 1045 para estructuras soldadas complejas (como marcos) a menos que realmente necesite la resistencia adicional. Para soldadura general, qu\u00e9dese con A36 o 1018.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acero 1045 comparado con otros aceros comunes: Una gu\u00eda de ingenier\u00eda<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Es importante encontrar el acero adecuado que logre un equilibrio entre resistencia, costo y facilidad de uso.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El acero 1045 tiene una cantidad media de carbono, mientras que el acero 1018 tiene una cantidad baja.<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fortaleza:<\/span><\/strong><span class=\"ng-star-inserted\"> El 1045 es mucho m\u00e1s resistente y duro.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Mecanizabilidad:<\/span><\/strong><span class=\"ng-star-inserted\"> El 1018 corta m\u00e1s r\u00e1pido, pero puede ser pegajoso. El 1045 dura m\u00e1s pero desgasta las herramientas.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Soldabilidad:<\/span><\/strong><span class=\"ng-star-inserted\"> El 1018 es excelente, pero el 1045 necesita ser precalentado.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Use 1018<\/span><\/strong><span class=\"ng-star-inserted\"> para soportes y espaciadores simples. El 1045 es bueno para engranajes, ejes y flechas.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acero 1045 vs. Acero 4140 (Carbono vs. Aleaci\u00f3n)<\/span><\/strong><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 4140 (Cromo-Molibdeno) puede endurecerse completamente en secciones gruesas. El 1045 no puede.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fortaleza:<\/span><\/strong><span class=\"ng-star-inserted\"> El 4140 es mucho m\u00e1s resistente y puede soportar m\u00e1s tensi\u00f3n.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Precio:<\/span><\/strong><span class=\"ng-star-inserted\"> El 1045 es menos costoso.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Decisi\u00f3n:<\/span><\/strong><span class=\"ng-star-inserted\"> Use 1045 para piezas que no necesitan ser muy resistentes. Use 4140 para piezas que est\u00e1n bajo mucha tensi\u00f3n y son importantes para la seguridad, como cig\u00fce\u00f1ales o ejes de alta presi\u00f3n.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tabla 3: Matriz de selecci\u00f3n r\u00e1pida<\/span><\/strong><\/p>\n<div class=\"table-container ng-star-inserted\">\n<table>\n<tbody>\n<tr class=\"table-header ng-star-inserted\">\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Caracter\u00edstica<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acero 1045<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acero 1018<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Acero 4140<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fuerza<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Medio<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bajo<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alta<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Endurecimiento superficial<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Excelente (Inducci\u00f3n)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bueno (Cementaci\u00f3n)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bueno (Nitruraci\u00f3n\/Inducci\u00f3n)<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Por endurecimiento<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Mal<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">No<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Genial<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Soldabilidad<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Feria (necesita ser precalentada)<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Genial<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Duro<\/span><\/td>\n<\/tr>\n<tr class=\"ng-star-inserted\">\n<td class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Coste<\/span><\/strong><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bajo\/Medio<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bajo<\/span><\/td>\n<td class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Alta<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Usos t\u00edpicos del acero 1045 en ingenier\u00eda<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 1045 es el \u201ccaballo de batalla\u201d para m\u00e1quinas y transmisi\u00f3n de potencia.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El uso m\u00e1s com\u00fan es para <\/span><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">ejes y flechas<\/span><\/strong><span class=\"ng-star-inserted\">. Se utiliza en bombas, motores y ejes para autom\u00f3viles.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Engranajes y catarinas<\/span><\/strong><span class=\"ng-star-inserted\"> a menudo se endurecen por inducci\u00f3n para evitar que los dientes se desgasten.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">1045 cromado<\/span><\/strong><span class=\"ng-star-inserted\"> es el est\u00e1ndar para pistones de cilindros hidr\u00e1ulicos.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Pernos y esp\u00e1rragos<\/span><\/strong><span class=\"ng-star-inserted\"> son sujetadores de resistencia media, como el Grado 5.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Bujes, husillos, barras gu\u00eda y \u00e9mbolos<\/span><\/strong><span class=\"ng-star-inserted\"> son todas partes de maquinaria.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Limitaciones en el dise\u00f1o y factores ambientales<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El 1045 es \u00fatil de muchas maneras, pero tiene sus l\u00edmites.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Corrosi\u00f3n:<\/span><\/strong><span class=\"ng-star-inserted\"> No resiste la corrosi\u00f3n en absoluto. Se oxidar\u00e1 de inmediato cuando haya humedad. Necesita ser pintado, recubierto (con zinc o cromo) o aceitado.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tenacidad a baja temperatura:<\/span><\/strong><span class=\"ng-star-inserted\"> A bajas temperaturas, el 1045, como todos los aceros al carbono, cambia de d\u00factil a fr\u00e1gil. No lo use para cargas de impacto en condiciones de congelaci\u00f3n; en su lugar, use acero aleado con n\u00edquel.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Secciones Gruesas:<\/span><\/strong><span class=\"ng-star-inserted\"> No conf\u00ede en el 1045 para dar a piezas de m\u00e1s de aproximadamente 50\u201370 mm de espesor una dureza consistente.<\/span><\/p>\n<\/li>\n<\/ul>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Resumen: Lo que los ingenieros deben saber sobre el acero 1045<\/span><\/h2>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El acero 1045 es un acero de ingenier\u00eda de medio carbono y bajo costo.<\/span><\/p>\n<ul class=\"ng-star-inserted\">\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">El \u201cCamino Medio\u201d<\/span><\/strong><span class=\"ng-star-inserted\"> est\u00e1 entre el suave 1018 y el costoso 4140.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Tratable t\u00e9rmicamente:<\/span><\/strong><span class=\"ng-star-inserted\"> Su principal beneficio es que puede ser endurecido por llama o inducci\u00f3n para hacerlo m\u00e1s resistente al desgaste.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Fabricaci\u00f3n:<\/span><\/strong><span class=\"ng-star-inserted\"> Funciona bien con m\u00e1quinas, pero hay que tener cuidado al soldar.<\/span><\/p>\n<\/li>\n<li class=\"ng-star-inserted\">\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">\u00dasalo:<\/span><\/strong><span class=\"ng-star-inserted\"> La mejor opci\u00f3n para ejes, engranajes y pasadores que necesitan ser m\u00e1s resistentes que el acero suave pero sin pagar extra por aleaciones.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">Los ingenieros pueden usar el 1045 para fabricar m\u00e1quinas fuertes y confiables a bajo costo si saben c\u00f3mo endurecerlo y c\u00f3mo trabajar con \u00e9l.<\/span><\/p>\n<h2 class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">FAQ<\/span><\/h2>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">P: \u00bfEs resistente el acero 1045?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">R: S\u00ed, para un acero al carbono. Tiene buena resistencia a la tracci\u00f3n (aproximadamente 85\u201395 ksi) cuando se templa y reviene, lo que lo hace bueno para la mayor\u00eda de los usos en ejes. Es mucho m\u00e1s resistente que el A36 o el 1018.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">P: \u00bfEs posible soldar acero 1045?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">R: S\u00ed, pero necesita ser precalentado entre 300\u00b0F y 500\u00b0F y la temperatura entre pasadas debe controlarse correctamente para evitar que se agriete. No es tan f\u00e1cil de soldar como el 1018.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">P: \u00bfSe oxida el 1045?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">R: S\u00ed. No contiene cromo (un metal que no se oxida). Necesita algo que proteja su superficie, como aceite, pintura o recubrimiento.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">P: \u00bfCu\u00e1les son las diferencias entre el 1045 y el 4140?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">R: El 4140 contiene cromo y molibdeno, lo que lo hace mucho m\u00e1s duro (puede endurecerse en todo su espesor), m\u00e1s resistente y m\u00e1s resistente a la fatiga. El 1045 es un acero al carbono simple. Cuesta menos, pero no funciona tan bien en situaciones de espesores grandes o alto estr\u00e9s.<\/span><\/p>\n<p class=\"ng-star-inserted\"><strong class=\"ng-star-inserted\"><span class=\"ng-star-inserted\">P: \u00bfEs el 1045 un buen acero para cuchillos?<\/span><\/strong><br class=\"ng-star-inserted\" \/><span class=\"ng-star-inserted\">R: Puede hacer un cuchillo b\u00e1sico y resistente, como un cuchillo de lanzamiento, porque no se rompe f\u00e1cilmente. Sin embargo, no tiene suficiente carbono para mantener un filo muy afilado como los aceros dedicados a cuchiller\u00eda (como el 1095).<\/span><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Most of the time, when engineers ask, &#8220;What is 1045 steel?&#8221; they don&#8217;t want a textbook answer. People usually choose 1045 carbon steel because it is a good middle ground in the carbon steel family.<\/p>","protected":false},"author":1,"featured_media":9573,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[],"class_list":["post-9452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-guide"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.5 (Yoast SEO v28.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>1045 Steel Explained: Composition, Properties &amp; Heat Treatment<\/title>\n<meta name=\"description\" content=\"Learn 1045 steel composition, mechanical properties, heat treatment options, and common engineering applications such as shafts, gears, and machine components.\" \/>\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.cncmachiningshops.com\/es\/1045-steel\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is 1045 Steel? 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