{"id":6792,"date":"2024-10-15T15:49:56","date_gmt":"2024-10-15T15:49:56","guid":{"rendered":"https:\/\/mfinox.com\/materiales\/werkstoff-1-4938-a437-b4b-x11crnimon12-422-s42200\/"},"modified":"2024-10-15T16:15:06","modified_gmt":"2024-10-15T16:15:06","slug":"werkstoff-1-4938-a437-b4b-x11crnimon12-422-s42200","status":"publish","type":"page","link":"https:\/\/mfinox.com\/es\/materiales\/werkstoff-1-4938-a437-b4b-x11crnimon12-422-s42200\/","title":{"rendered":"Werkstoff 1.4938 A437 B4B X11CrNiMoN12 422 S42200"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-page\" data-elementor-id=\"6792\" class=\"elementor elementor-6792 elementor-6763\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-6de979d3 e-flex e-con-boxed e-con e-parent\" data-id=\"6de979d3\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-43f85fd2 titolo-materiali elementor-invisible elementor-widget elementor-widget-heading\" data-id=\"43f85fd2\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">ASTM A193 B8MA A320 B8MA W 1.4435<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8b46ab0 elementor-invisible elementor-widget elementor-widget-shortcode\" data-id=\"8b46ab0\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;_animation&quot;:&quot;fadeIn&quot;}\" data-widget_type=\"shortcode.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\"><nav aria-label=\"breadcrumb\"><div class=\"breadcrumb\"><span class=\"breadcrumb-item\"><a href=\"https:\/\/mfinox.com\/es\/\" style=\"color: #F3912E;\">Home<\/a><\/span><\/div><\/nav><\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5b4e5354 e-flex e-con-boxed elementor-invisible e-con e-parent\" data-id=\"5b4e5354\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;animation&quot;:&quot;fadeInUp&quot;}\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-81ac661 elementor-widget elementor-widget-text-editor\" data-id=\"81ac661\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>El material 1.4938 es un acero inoxidable martens\u00edtico con elevadas propiedades mec\u00e1nicas y resistencia a la corrosi\u00f3n, utilizado a menudo en aplicaciones cr\u00edticas como turbinas y componentes aeroespaciales. La designaci\u00f3n A437 B4B se refiere a la clasificaci\u00f3n seg\u00fan ASTM A437, que se aplica a los aceros destinados a aplicaciones de alta temperatura y alta presi\u00f3n, como los pernos de calderas y turbinas. <\/p>\n    \n    <h2>Composici\u00f3n qu\u00edmica<\/h2><br>\n    <table>\n        <tr>\n            <th>Elemento<\/th><th>M\u00ednimo (%)<\/th><th>M\u00e1ximo (%)<\/th>\n        <\/tr>\n        <tr>\n            <td>Ni<\/td><td>3.8<\/td><td>4.8<\/td>\n        <\/tr>\n        <tr>\n            <td>Cr<\/td><td>11.5<\/td><td>13.5<\/td>\n        <\/tr>\n        <tr>\n            <td>P<\/td><td><\/td><td>0.020<\/td>\n        <\/tr>\n        <tr>\n            <td>Mo<\/td><td>1.0<\/td><td>1.5<\/td>\n        <\/tr>\n        <tr>\n            <td>C<\/td><td>0.12<\/td><td>0.18<\/td>\n        <\/tr>\n        <tr>\n            <td>Mn<\/td><td>1.0<\/td><td>1.5<\/td>\n        <\/tr>\n        <tr>\n            <td>S\u00ed<\/td><td><\/td><td>0.50<\/td>\n        <\/tr>\n        <tr>\n            <td>V<\/td><td>0.20<\/td><td>0.50<\/td>\n        <\/tr>\n        <tr>\n            <td>S<\/td><td><\/td><td>0.015<\/td>\n        <\/tr>\n    <\/table>\n\n    <h2>Caracter\u00edsticas mec\u00e1nicas<\/h2><br>\n    <table>\n        <tr>\n            <th>Material<\/th><th>Rm min (MPa)<\/th><th>Rp 0,2 min (MPa)<\/th><th>Alargamiento (%)<\/th><th>Dureza m\u00e1x (HRC)<\/th>\n        <\/tr>\n        <tr>\n            <td>Werkstoff 1.4938 A437 B4B<\/td><td>850 &#8211; 1100<\/td><td>650-800<\/td><td>12-15<\/td><td>25 &#8211; 35<\/td>\n        <\/tr>\n    <\/table>\n\n    <h2>Propiedades f\u00edsicas<\/h2>\n    <ul>\n        <li>Densidad: 7,7 &#8211; 7,8 g\/cm\u00b3<\/li>\n        <li>M\u00f3dulo de elasticidad: 210 GPa<\/li>\n        <li>Coeficiente de dilataci\u00f3n t\u00e9rmica (20-100\u00b0C): 11,5 x 10^-6 K^-1<\/li>\n        <li>Conductividad t\u00e9rmica (a 100\u00b0C): 23 W\/m-K<\/li>\n        <li>Capacidad calor\u00edfica espec\u00edfica: 460 J\/kg-K<\/li>\n    <\/ul>\n\n    <h2>Tratamientos t\u00e9rmicos<\/h2>\n    <ul>\n        <li>Endurecimiento<strong>:<\/strong> El material se endurece en aceite o aire a una temperatura aproximada de 1000\u00b0C, seguida de un enfriamiento r\u00e1pido.<\/li>\n        <li>Revenido<strong>:<\/strong> Suele realizarse a una temperatura entre 650\u00b0C y 750\u00b0C para mejorar la tenacidad y reducir las tensiones internas.<\/li>\n    <\/ul>\n\n    <h2>Resistencia a la corrosi\u00f3n<\/h2>\n    <p>El 1.4938 ofrece una buena resistencia a la corrosi\u00f3n en ambientes de alta temperatura debido a la presencia de cromo y molibdeno. Sin embargo, en comparaci\u00f3n con los aceros inoxidables austen\u00edticos, tiene una resistencia a la corrosi\u00f3n ligeramente inferior en ambientes muy agresivos (por ejemplo, con altos niveles de cloruros). <\/p>\n\n    <h2>Correspondencia reglamentaria<\/h2>\n    <ul>\n        <li>ES: 10269<\/li>\n        <li>ASTM: A437<\/li>\n    <\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>ASTM A193 B8MA A320 B8MA W 1.4435 El material 1.4938 es un acero inoxidable martens\u00edtico con elevadas propiedades mec\u00e1nicas y resistencia a la corrosi\u00f3n, utilizado a menudo en aplicaciones cr\u00edticas como turbinas y componentes aeroespaciales. La designaci\u00f3n A437 B4B se refiere a la clasificaci\u00f3n seg\u00fan ASTM A437, que se aplica a los aceros destinados a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":4513,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6792","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Werkstoff 1.4938 A437 B4B X11CrNiMoN12 422 S42200 - M.F. 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