{"id":6248,"date":"2026-09-10T13:10:26","date_gmt":"2026-09-10T13:10:26","guid":{"rendered":"https:\/\/beiyutitanium.com\/is-titanium-magnetic\/"},"modified":"2026-09-10T13:10:26","modified_gmt":"2026-09-10T13:10:26","slug":"is-titanium-magnetic","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/es\/is-titanium-magnetic\/","title":{"rendered":"\u00bfEs magn\u00e9tico el titanio? Calidades, permeabilidad y lo que las normas no verifican"},"content":{"rendered":"

No. El titanio es paramagn\u00e9tico, no ferromagn\u00e9tico, y un im\u00e1n dom\u00e9stico no se adhiere a \u00e9l. La permeabilidad magn\u00e9tica relativa se sit\u00faa apenas por encima de 1.0 en las calidades comerciales indicadas a continuaci\u00f3n, por lo que la pr\u00e1ctica de ingenier\u00eda trata el titanio como no magn\u00e9tico en lugar de d\u00e9bilmente magn\u00e9tico. La distinci\u00f3n importa cuando un plano exige un valor garantizado, porque las especificaciones del material no verifican ninguno.<\/p>\n

\"Batch<\/figure>\n

Qu\u00e9 significa paramagn\u00e9tico en t\u00e9rminos num\u00e9ricos<\/h2>\n

Un metal ferromagn\u00e9tico tiene una permeabilidad relativa de cientos o miles. El titanio se sit\u00faa en el extremo opuesto. Los valores que Beiyu Titanium publica para las calidades siguientes est\u00e1n tan cerca de 1.0 que la respuesta se puede medir con instrumentos, pero no con un im\u00e1n en la mano.<\/p>\n\n\n\n\n\n
Calidad<\/th>\nLo que indica la ficha t\u00e9cnica de Beiyu<\/th>\nTipo de valor<\/th>\n<\/tr>\n
Grade 5 (Ti-6Al-4V, UNS R56400)<\/td>\nPermeabilidad relativa 1.00005 a 1.6 kA\/m<\/td>\nUn valor medido a una intensidad de campo indicada<\/td>\n<\/tr>\n
Grade 23 (Ti-6Al-4V ELI)<\/td>\nPermeabilidad relativa 1.01 o inferior<\/td>\nUn l\u00edmite superior, no un valor medido<\/td>\n<\/tr>\n
Grade 2 (titanio CP, UNS R50400)<\/td>\nParamagn\u00e9tico, solo ligeramente por encima de 1.0<\/td>\nUna descripci\u00f3n cualitativa<\/td>\n<\/tr>\n<\/table>\n

Lea la tercera columna antes de comparar las filas. La entrada de Grade 23 es un l\u00edmite superior y no una medici\u00f3n, por lo que no significa que Grade 23 responda con m\u00e1s intensidad que Grade 5; significa que aqu\u00ed no se ha publicado un valor medido para \u00e9l.<\/p>\n

Tambi\u00e9n existe una raz\u00f3n de composici\u00f3n que se mantiene con independencia del valor medido. Ninguna de estas aleaciones contiene una fase ferromagn\u00e9tica. Grade 5 es titanio con aluminio y vanadio; Grade 2 es titanio sin alear. Hay hierro, pero solo como elemento residual limitado por la tabla de composici\u00f3n qu\u00edmica de la calidad, y se encuentra disuelto en la red del titanio en lugar de formar una fase separada que un campo pueda alinear.<\/p>\n

Lo que omite una respuesta sobre materiales<\/h2>\n

Aqu\u00ed es donde se separan una respuesta sobre materiales y una respuesta de compras. ASTM B265 y ASTM B348, las especificaciones seg\u00fan las cuales se suelen pedir chapa fina, chapa gruesa y barras de titanio, establecen la composici\u00f3n qu\u00edmica, las propiedades mec\u00e1nicas y las tolerancias dimensionales. Ninguna menciona la permeabilidad magn\u00e9tica en su texto. Un certificado emitido conforme a esas especificaciones no est\u00e1 obligado a incluir un valor de permeabilidad, porque la especificaci\u00f3n nunca lo exigi\u00f3.<\/p>\n

Tampoco existe una cl\u00e1usula predefinida que se pueda invocar. B265 s\u00ed contiene requisitos suplementarios que se aplican cuando el pedido los solicita, pero abarcan asuntos completamente distintos, empezando por los ensayos de doblado superficial; B348 no tiene ninguna secci\u00f3n de requisitos suplementarios. Por tanto, un l\u00edmite de permeabilidad es un ensayo adicional acordado en el pedido, no una opci\u00f3n normalizada con un n\u00famero.<\/p>\n

La consecuencia pr\u00e1ctica: una consulta que diga “debe ser no magn\u00e9tico” sin indicar un l\u00edmite, un m\u00e9todo de medici\u00f3n y una intensidad de campo pide algo que ning\u00fan certificado de materiales puede confirmar y se devolver\u00e1 para aclaraci\u00f3n. Una consulta que indique los tres puede ofertarse.<\/p>\n\n\n\n\n\n
Lo que indica el plano<\/th>\nLo que muestra un certificado B265 o B348<\/th>\nQu\u00e9 a\u00f1adir al pedido<\/th>\n<\/tr>\n
Material no magn\u00e9tico<\/td>\nNada sobre permeabilidad<\/td>\nEl l\u00edmite de permeabilidad, el m\u00e9todo, la intensidad de campo<\/td>\n<\/tr>\n
Permeabilidad relativa inferior a un valor indicado<\/td>\nNada sobre permeabilidad<\/td>\nUn ensayo adicional acordado y qui\u00e9n lo presencia<\/td>\n<\/tr>\n
Sin requisito magn\u00e9tico<\/td>\nSolo composici\u00f3n qu\u00edmica y propiedades mec\u00e1nicas<\/td>\nNada; la calidad ya responde a la pregunta<\/td>\n<\/tr>\n<\/table>\n
\"Machined<\/figure>\n

D\u00f3nde la respuesta realmente cambia una decisi\u00f3n<\/h2>\n

Para la mayor\u00eda de las piezas, no cambia la decisi\u00f3n. El titanio se elige por su resistencia a la corrosi\u00f3n, su relaci\u00f3n resistencia-peso o su biocompatibilidad, y su comportamiento magn\u00e9tico es una propiedad en la que nadie tiene que pensar. Tres situaciones son la excepci\u00f3n, y en las tres la raz\u00f3n para recurrir al titanio es que la alternativa alterar\u00eda algo.<\/p>\n\n\n\n\n\n
Situaci\u00f3n<\/th>\nPor qu\u00e9 se recurre al titanio<\/th>\nC\u00f3mo suele redactarse el requisito<\/th>\n<\/tr>\n
Entornos de imagen e instrumentaci\u00f3n<\/td>\nLas carcasas, los elementos de fijaci\u00f3n y los accesorios se sit\u00faan dentro o cerca de un campo y no deben moverse ni distorsionarlo<\/td>\nComo una indicaci\u00f3n de material, a veces con un l\u00edmite superior de permeabilidad<\/td>\n<\/tr>\n
Detecci\u00f3n y medici\u00f3n<\/td>\nUna carcasa con respuesta magn\u00e9tica cambia la lectura del sensor que contiene<\/td>\nComo una indicaci\u00f3n de material en el plano de la carcasa<\/td>\n<\/tr>\n
Conjuntos donde un campo par\u00e1sito se interpreta como un fallo<\/td>\nLa pieza tiene que ser invisible para el sistema de detecci\u00f3n que la rodea<\/td>\nComo un l\u00edmite superior de permeabilidad<\/td>\n<\/tr>\n<\/table>\n

Cualquier fila que indique un l\u00edmite superior necesita el ensayo acordado descrito antes, porque ese l\u00edmite es la parte que la especificaci\u00f3n del material no cubre.<\/p>\n

Preguntas complementarias habituales<\/h2>\n

\u00bfEs magn\u00e9tico el titanio y se adherir\u00e1 alg\u00fan im\u00e1n a \u00e9l?<\/strong> No. La respuesta es demasiado d\u00e9bil para vencer el peso del im\u00e1n.<\/p>\n

\u00bfEs magn\u00e9tico el titanio Grade 5 y es m\u00e1s magn\u00e9tico que Grade 2?<\/strong> Ambos son paramagn\u00e9ticos y ambos se tratan como no magn\u00e9ticos. El valor publicado de 1.00005 para Grade 5 y la descripci\u00f3n de Grade 2 como ligeramente por encima de 1.0 se sit\u00faan en la misma franja pr\u00e1ctica.<\/p>\n

Mi pieza de titanio atrajo un im\u00e1n. \u00bfQu\u00e9 ha ocurrido?<\/strong> La causa no grave m\u00e1s habitual es el hierro superficial incorporado por herramientas de acero, cepillado con alambre o granallado, que se elimina mediante decapado en lugar de rechazar la pieza. Una respuesta que persiste tras la limpieza indica que el art\u00edculo no es del material que se\u00f1ala su etiqueta, o que hay algo ferromagn\u00e9tico adherido o incrustado. En cualquier caso, conviene resolverlo antes de poner la pieza en servicio.<\/p>\n

\u00bfEl titanio forma herrumbre?<\/strong> No. La herrumbre es \u00f3xido de hierro, y el titanio no tiene una fase de hierro que pueda formarla. En su lugar, el titanio tiene una pel\u00edcula pasiva de di\u00f3xido de titanio, un mecanismo distinto y la raz\u00f3n de su comportamiento en agua de mar y \u00e1cidos oxidantes.<\/p>\n

El conjunto m\u00e1s amplio de cifras publicadas sobre el titanio, y cu\u00e1les de ellas informa realmente un certificado, se presenta en datos del titanio<\/a>.<\/p>\n

\u00bfPuede hacerse magn\u00e9tico el titanio mediante tratamiento t\u00e9rmico o trabajo en fr\u00edo?<\/strong> No. Las aleaciones suministradas aqu\u00ed no contienen ninguna fase ferromagn\u00e9tica que pueda desarrollarse mediante procesamiento, por lo que el comportamiento magn\u00e9tico del titanio no cambia con el estado como lo hacen la dureza o la resistencia.<\/p>\n

\u00bfEs el titanio lo bastante magn\u00e9tico para afectar a una resonancia magn\u00e9tica o a una carcasa de sensor?<\/strong> Se especifica para esos entornos precisamente porque no lo es. Aun as\u00ed, debe incluirse en el pedido un l\u00edmite garantizado, ya que la especificaci\u00f3n del material no verifica ninguno.<\/p>\n

Detalles de especificaci\u00f3n con fuentes<\/h2>\n

El valor de permeabilidad relativa de 1.00005 a 1.6 kA\/m citado arriba es el que Beiyu Titanium indica en la ficha t\u00e9cnica de Grade 5<\/a>; el l\u00edmite superior de 1.01 o inferior figura en la ficha t\u00e9cnica de Grade 23<\/a>, y la descripci\u00f3n paramagn\u00e9tica en la ficha t\u00e9cnica de Grade 2<\/a>. La afirmaci\u00f3n de que no se verifica la permeabilidad refleja el propio texto de ASTM B265 y ASTM B348: ninguna especificaci\u00f3n contiene las palabras magn\u00e9tico o permeabilidad, los requisitos suplementarios de B265 comienzan con el ensayo de doblado superficial en lugar de cualquier propiedad magn\u00e9tica, y B348 no incluye una secci\u00f3n de requisitos suplementarios. Por tanto, un l\u00edmite de permeabilidad se acuerda entre comprador y proveedor y se indica en el pedido.<\/p>\n

Pedir titanio cuando existe un requisito magn\u00e9tico real<\/h2>\n

Beiyu Titanium suministra barras, chapa gruesa, chapa fina, tubos y piezas forjadas de titanio en Grade 1, 2, 5, 7, 9, 12 y 23 seg\u00fan especificaciones ASTM y AMS, con un certificado de inspecci\u00f3n EN 10204 3.1 conforme al alcance del pedido. Cuando se aplique un l\u00edmite de permeabilidad, env\u00ede el l\u00edmite, el m\u00e9todo de medici\u00f3n y la intensidad de campo junto con la calidad, las dimensiones y la tolerancia, para que el ensayo pueda organizarse y valorarse con la oferta en lugar de descubrirse durante la inspecci\u00f3n.<\/p>","protected":false},"excerpt":{"rendered":"

No. Titanium is paramagnetic, not ferromagnetic, and a household magnet will not stick to it. Relative magnetic permeability sits just above 1.0 in the commercial grades listed below, which is why engineering practice treats titanium as non-magnetic rather than weakly magnetic. The distinction matters once a drawing asks for a guaranteed figure, because the material […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6248","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nIs Titanium Magnetic? Permeability by Grade | Beiyu<\/title>\n<meta name=\"description\" content=\"Titanium is paramagnetic and will not hold a magnet. Relative permeability by grade, and why ASTM B265 and B348 do not verify it, so a limit belongs on the order.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/beiyutitanium.com\/es\/is-titanium-magnetic\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Is Titanium Magnetic? Permeability by Grade | Beiyu\" \/>\n<meta property=\"og:description\" content=\"Titanium is paramagnetic and will not hold a magnet. 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Over 15 years in titanium export he has learned to review each specification line himself, checking grade, standard, dimensions, tolerance and certificate scope against mill capability before quoting, rather than routing enquiries through a sales desk. He came to titanium supply from the other side of the transaction. Before leading Beiyu's international business he worked at Koch (Koch-Glitsch) and was directly involved in delivering a SABIC petrochemical project in Fujian, China. That work was built on inspection and test plans, material certification and heat traceability, third party inspection coordination, and project documentation and dossier control. Those are the same four things a process industry or regulated buyer will hold a titanium supplier to, and having had to enforce them as a customer is why they are treated here as part of the supply rather than as paperwork produced afterwards. His day-to-day work spans the questions this site is written to answer: choosing between commercially pure and alloyed titanium grades for a corrosive service, reading a mill test certificate against the ordered standard, and matching a buyer's designation (ASTM grade, UNS, German Werkstoff number or French NF code) to the same metal across markets. Beiyu supplies titanium, nickel-alloy and refractory mill products across bar, rod, plate, tube, block, ring, coil, ingot, forgings and machined parts, with EN 10204 3.1 documentation and heat-number traceability.\",\"url\":\"https:\\\/\\\/beiyutitanium.com\\\/es\\\/author\\\/penn-ma\\\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u00bfEs magn\u00e9tico el titanio? Permeabilidad por calidad | Beiyu","description":"El titanio es paramagn\u00e9tico y no retiene un im\u00e1n. 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La producci\u00f3n se realiza en la f\u00e1brica de titanio de Beiyu en Baoji, Shaanxi. Los pedidos se basan en solicitudes de oferta, con certificados de inspecci\u00f3n 3.1 seg\u00fan EN 10204 y trazabilidad por n\u00famero de colada disponibles a petici\u00f3n.","areaServed":"Worldwide","knowsAbout":["Titanium","Titanium alloy","Titanium bar","Titanium sheet and plate","Titanium tube and pipe","Titanium forgings","Titanium wire","Titanium anode"],"address":{"@type":"PostalAddress","streetAddress":"Baotai Road Industrial Park, High-tech Development Zone","addressLocality":"Baoji","addressRegion":"Shaanxi","addressCountry":"CN"},"legalName":"Jiaxing Beiyu New Materials Technology Co., Ltd."},{"@type":"Person","@id":"https:\/\/beiyutitanium.com\/#\/schema\/person\/3560db17cf08813edf34f012735b971b","name":"Penn Ma","image":{"@type":"ImageObject","inLanguage":"es-ES","@id":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","caption":"Penn Ma"},"description":"Penn Ma es la persona que responde a las solicitudes de oferta en Beiyu Titanium. Durante m\u00e1s de 15 a\u00f1os de exportaci\u00f3n de titanio, ha aprendido a revisar personalmente cada l\u00ednea de especificaci\u00f3n, comprobando calidad, norma, dimensiones, tolerancia y alcance del certificado frente a la capacidad de la f\u00e1brica antes de emitir una oferta, en lugar de canalizar las consultas a trav\u00e9s de un departamento comercial. Lleg\u00f3 al suministro de titanio desde el otro lado de la transacci\u00f3n. Antes de dirigir el negocio internacional de Beiyu, trabaj\u00f3 en Koch (Koch-Glitsch) y particip\u00f3 directamente en la entrega de un proyecto petroqu\u00edmico de SABIC en Fujian, China. Ese trabajo se basaba en planes de inspecci\u00f3n y ensayo, certificaci\u00f3n de materiales y trazabilidad por n\u00famero de colada, coordinaci\u00f3n de inspecci\u00f3n por tercera parte y control de la documentaci\u00f3n y los expedientes del proyecto. Esas son las mismas cuatro cosas que un comprador de la industria de procesos o regulada exigir\u00e1 a un proveedor de titanio, y haber tenido que aplicarlas como cliente es la raz\u00f3n por la que aqu\u00ed se tratan como parte del suministro y no como documentaci\u00f3n elaborada posteriormente. Su trabajo diario abarca las cuestiones que este sitio est\u00e1 concebido para responder: elegir entre calidades de titanio comercialmente puro y aleado para un servicio corrosivo, interpretar un certificado de materiales frente a la norma solicitada y relacionar la designaci\u00f3n de un comprador (calidad ASTM, UNS, n\u00famero Werkstoff alem\u00e1n o c\u00f3digo NF franc\u00e9s) con el mismo metal en distintos mercados. Beiyu suministra productos de f\u00e1brica de titanio, aleaciones de n\u00edquel y materiales refractarios en barra, varilla, chapa gruesa, tubo, bloque, anillo, bobina, lingote, piezas forjadas y piezas mecanizadas, con documentaci\u00f3n EN 10204 3.1 y trazabilidad por n\u00famero de colada.","url":"https:\/\/beiyutitanium.com\/es\/author\/penn-ma\/"}]}},"_links":{"self":[{"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/posts\/6248","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/comments?post=6248"}],"version-history":[{"count":0,"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/posts\/6248\/revisions"}],"wp:attachment":[{"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/media?parent=6248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/categories?post=6248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beiyutitanium.com\/es\/wp-json\/wp\/v2\/tags?post=6248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}