{"id":3961,"date":"2026-06-30T08:16:37","date_gmt":"2026-06-30T08:16:37","guid":{"rendered":"https:\/\/manufactorhinge.com\/?p=3961"},"modified":"2026-06-30T08:20:02","modified_gmt":"2026-06-30T08:20:02","slug":"sus-304-vs-sus-316-stainless-steel-hinges","status":"publish","type":"post","link":"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/","title":{"rendered":"Bisagras de acero inoxidable SUS 304 frente a SUS 316 | Gu\u00eda de calidades de acero inoxidable"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>Elige el acero inoxidable SUS 304 para bisagras de uso general en exteriores, para zonas de lavado y para la industria alimentaria, y opta por el SUS 316 cuando haya cloruros presentes \u2014como en zonas costeras, equipos marinos, sal de deshielo y muchos entornos qu\u00edmicos\u2014, ya que el molibdeno a\u00f1adido al 316 es lo que le permite resistir la corrosi\u00f3n por picaduras, algo que el 304 no puede hacer.<\/strong> Ambos tipos son aceros inoxidables resistentes a la corrosi\u00f3n y tienen un aspecto id\u00e9ntico; la diferencia radica en c\u00f3mo se comportan cuando hay sal o sustancias qu\u00edmicas en el aire o en el agua. Esta gu\u00eda explica la diferencia real y c\u00f3mo elegir el tipo de bisagra adecuado en funci\u00f3n del entorno, para que no elijas un tipo de bisagra de especificaciones insuficientes para una puerta en la costa ni pagues de m\u00e1s por el 316 cuando el 304 es m\u00e1s que suficiente.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_1 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\u00cdndice<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Alternar tabla de contenidos\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/#What_actually_differs_between_304_and_316\" >\u00bfEn qu\u00e9 se diferencian realmente el 304 y el 316?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/#Why_a_hinge_corrodes_earlier_than_flat_stainless\" >\u00bfPor qu\u00e9 una bisagra se oxida antes que el acero inoxidable plano?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/#How_to_choose_the_grade_by_environment\" >C\u00f3mo elegir el grado en funci\u00f3n del entorno<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/#From_the_field_316_hinges_on_a_boat_hatch\" >Desde el terreno: 316 bisagras en la escotilla de un barco<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/#Beyond_the_grade_finish_and_dissimilar_metals\" >M\u00e1s all\u00e1 del grado: acabado y metales diferentes<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/#RFQ_checklist_for_stainless_hinges\" >Lista de comprobaci\u00f3n para la solicitud de presupuesto de bisagras de acero inoxidable<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/#FAQ\" >PREGUNTAS FRECUENTES<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Respuesta r\u00e1pida:<\/strong> 304 para uso industrial general, en exteriores y en entornos sujetos a lavado; 316 cuando la exposici\u00f3n al cloruro es real \u2014entornos costeros, marinos, salinos o qu\u00edmicos\u2014. En caso de duda cerca del agua salada, el 316 es la especificaci\u00f3n m\u00e1s segura. La elecci\u00f3n del material se enmarca dentro de la amplia selecci\u00f3n que se trata en <a href=\"https:\/\/manufactorhinge.com\/es\/how-to-choose-industrial-hinge\/\">C\u00f3mo elegir una bisagra industrial<\/a>; esta p\u00e1gina trata espec\u00edficamente sobre la decisi\u00f3n relativa a las notas.<\/p>\n\n\n\n<h2 id=\"what-actually-differs-between-304-and-316\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What_actually_differs_between_304_and_316\"><\/span>\u00bfEn qu\u00e9 se diferencian realmente el 304 y el 316?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Ambos son aceros inoxidables austen\u00edticos que contienen cromo y n\u00edquel, y ambos forman una capa de \u00f3xido pasiva que resiste la oxidaci\u00f3n. La diferencia fundamental es que el 316 a\u00f1ade aproximadamente entre 2 y 3% <strong>molibdeno<\/strong>, lo que mejora considerablemente la resistencia a <em>corrosi\u00f3n por picaduras y en hendiduras<\/em> frente a los cloruros. En la pr\u00e1ctica, eso es todo: en ambientes con aire limpio, interiores secos o bajo la lluvia habitual, los aceros 304 y 316 se comportan pr\u00e1cticamente igual, y el 304 es la opci\u00f3n m\u00e1s sensata y econ\u00f3mica. Pero si intervienen los cloruros \u2014la salpicadura marina, la humedad costera, la sal de carretera, el ambiente de las piscinas o muchos productos qu\u00edmicos de proceso\u2014, el 304 puede desarrollar picaduras y rayas de \u00f3xido, mientras que el 316 mantiene su superficie intacta. Una bisagra est\u00e1 especialmente expuesta en este caso, ya que tiene piezas m\u00f3viles y hendiduras estrechas alrededor del pasador y las hojas, precisamente donde suele iniciarse la corrosi\u00f3n intercrestal.<\/p>\n\n\n\n<h2 id=\"why-a-hinge-corrodes-earlier-than-flat-stainless\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_a_hinge_corrodes_earlier_than_flat_stainless\"><\/span>\u00bfPor qu\u00e9 una bisagra se oxida antes que el acero inoxidable plano?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Un panel plano de acero inoxidable y una bisagra de acero inoxidable del mismo tipo no envejecen de la misma manera, y conviene saber por qu\u00e9 antes de elegir un tipo concreto. Una bisagra presenta todas las caracter\u00edsticas que la corrosi\u00f3n aprovecha: el pasador y la articulaci\u00f3n forman huecos estrechos que se solapan, las hojas se superponen con una fina pel\u00edcula de humedad entre ellas, y los orificios de los tornillos y los asientos de las fijaciones retienen agua y contaminantes. Se trata de hendiduras, y la corrosi\u00f3n interlaminar solo necesita un poco de humedad cargada de cloruro atrapada para iniciarse \u2014en alg\u00fan lugar donde no pueda enjuagarse ni secarse\u2014. Por eso, una bisagra puede presentar \u00f3xido donde un panel liso del mismo acero permanece limpio. En el acero 304, en un entorno con cloruro, los primeros signos son predecibles: manchas de \u00f3xido y rayas marrones cerca de los orificios de los tornillos, picaduras alrededor de la zona del pasador y una junta que se va endureciendo gradualmente a medida que se acumulan productos de corrosi\u00f3n en la articulaci\u00f3n. Esa vulnerabilidad en la junta es la verdadera raz\u00f3n por la que la selecci\u00f3n del grado es m\u00e1s importante para una bisagra que para la chapa que la rodea.<\/p>\n\n\n\n<h2 id=\"how-to-choose-the-grade-by-environment\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_to_choose_the_grade_by_environment\"><\/span>C\u00f3mo elegir el grado en funci\u00f3n del entorno<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Medio ambiente<\/th><th>Nivel recomendado<\/th><th>Por qu\u00e9<\/th><\/tr><\/thead><tbody><tr><td>Industrial en interiores en condiciones secas<\/td><td>304 (o con recubrimiento\/de zinc, por motivos de coste)<\/td><td>Sin carga de cloruro; el 316 es innecesario<\/td><\/tr><tr><td>Exposici\u00f3n general a la intemperie y a la lluvia<\/td><td>304<\/td><td>Resiste bien las condiciones clim\u00e1ticas sin cloruros<\/td><\/tr><tr><td>Lavado \/ alimentaci\u00f3n y bebidas<\/td><td>304 (316 para desinfectantes agresivos)<\/td><td>El 304 es adecuado para la mayor\u00eda de los lavados con agua a presi\u00f3n; el 316, para productos qu\u00edmicos agresivos<\/td><\/tr><tr><td>Costero \/ cerca del mar<\/td><td>316<\/td><td>El aire cargado de cloruro deteriora el acero 304 con el paso del tiempo<\/td><\/tr><tr><td>Mar\u00edtimo \/ en el agua<\/td><td>316<\/td><td>La exposici\u00f3n directa a la sal requiere molibdeno<\/td><\/tr><tr><td>Sal qu\u00edmica \/ sal para descongelar<\/td><td>316<\/td><td>Los cloruros agresivos atacan al acero 304<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La regla sensata que siguen la mayor\u00eda de los ingenieros es: especificar el 304 por defecto y pasar al 316 en cuanto entren en juego los cloruros. El sobrecoste del 316 es real, por lo que no es autom\u00e1ticamente la \u201cmejor\u201d opci\u00f3n, sino la opci\u00f3n adecuada en aquellos entornos en los que el 304 fallar\u00eda prematuramente. El error que m\u00e1s cuesta es justo el contrario: instalar una bisagra de 304 en una puerta costera o marina para ahorrar dinero, y luego tener que sustituir las bisagras oxidadas al cabo de uno o dos a\u00f1os.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Una advertencia en sentido contrario: el 316 es m\u00e1s resistente al cloruro, pero no es inoxidable. Puede corroerse si su superficie est\u00e1 contaminada o mal acabada, si el agua salada queda atrapada en una hendidura y nunca se seca, o si se atornilla con elementos de fijaci\u00f3n inadecuados en una uni\u00f3n h\u00fameda. Elegir el 316 es la decisi\u00f3n acertada para entornos con cloruro, pero no elimina la necesidad de un acabado limpio, un buen drenaje y elementos de fijaci\u00f3n adecuados.<\/p>\n\n\n\n<h2 id=\"from-the-field-316-hinges-on-a-boat-hatch\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"From_the_field_316_hinges_on_a_boat_hatch\"><\/span>Desde el terreno: 316 bisagras en la escotilla de un barco<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/06\/316-stainless-steel-hinge-boat-hatch-1024x768.webp\" alt=\"Bisagras de acero inoxidable SUS 316 en la escotilla de un barco, en un entorno marino de agua salada\" class=\"wp-image-3962\" style=\"width:791px;height:auto\" srcset=\"https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/06\/316-stainless-steel-hinge-boat-hatch-1024x768.webp 1024w, https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/06\/316-stainless-steel-hinge-boat-hatch-300x225.webp 300w, https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/06\/316-stainless-steel-hinge-boat-hatch-768x576.webp 768w, https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/06\/316-stainless-steel-hinge-boat-hatch-16x12.webp 16w, https:\/\/manufactorhinge.com\/wp-content\/uploads\/2026\/06\/316-stainless-steel-hinge-boat-hatch.webp 1448w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">La escotilla que se muestra aqu\u00ed es un claro ejemplo de uso del acero 316. Estas son <strong>Bisagras de acero inoxidable 316 en la escotilla de un barco<\/strong> \u2014 la puerta de un compartimento de almacenamiento en una cubierta abierta, expuesta directamente cada d\u00eda a la niebla salina y al aire h\u00famedo del mar. Este es un entorno que el 304 no puede soportar durante mucho tiempo: la carga de cloruro empezar\u00eda a provocar picaduras en la superficie y a filtrarse en las hendiduras de los pasadores y las hojas, y en un buque, una bisagra de escotilla corro\u00edda supone tanto un problema de mantenimiento como de seguridad. El molibdeno del 316 cumple exactamente la funci\u00f3n para la que est\u00e1 ah\u00ed: mantiene la superficie y la articulaci\u00f3n m\u00f3vil en buen estado ante la exposici\u00f3n continua a la sal. Es la ilustraci\u00f3n m\u00e1s sencilla de la regla: cuando la aplicaci\u00f3n se encuentra en agua salada o cerca de ella, la elecci\u00f3n del tipo de acero ya est\u00e1 decidida.<\/p>\n\n\n\n<h2 id=\"beyond-the-grade-finish-and-dissimilar-metals\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Beyond_the_grade_finish_and_dissimilar_metals\"><\/span>M\u00e1s all\u00e1 del grado: acabado y metales diferentes<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Hay dos aspectos relacionados que determinan si incluso una nota buena se mantiene. En primer lugar, <strong>finalizar<\/strong>: una superficie limpia, pasivada o pulida resiste mejor la corrosi\u00f3n que una rugosa o contaminada, ya que las picaduras se originan en los defectos superficiales y en las part\u00edculas de hierro incrustadas; por lo tanto, un acero 304 con un buen acabado puede ofrecer mejores resultados que uno con un acabado deficiente, y la pasivaci\u00f3n es importante en ambos tipos de acero. En segundo lugar, <strong>metales diferentes<\/strong>: combinar una bisagra de acero inoxidable con elementos de fijaci\u00f3n o un marco de un metal muy diferente en una junta expuesta a la humedad y la sal puede provocar corrosi\u00f3n galv\u00e1nica, por lo que conviene que el material de los elementos de fijaci\u00f3n coincida con el de la bisagra y hay que prestar atenci\u00f3n a la superficie a la que se atornilla la bisagra. En el caso de las puertas m\u00e1s pesadas en estos entornos, hay que comprobar conjuntamente la carga y la resistencia \u2014la <a href=\"https:\/\/manufactorhinge.com\/es\/products\/industrial-hinges\/heavy-duty-hinges\/\">gama de bisagras de alta resistencia<\/a> Se ofrece en calidades de acero inoxidable para entornos corrosivos.<\/p>\n\n\n\n<h2 id=\"rfq-checklist-for-stainless-hinges\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"RFQ_checklist_for_stainless_hinges\"><\/span>Lista de comprobaci\u00f3n para la solicitud de presupuesto de bisagras de acero inoxidable<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Cuando solicites un presupuesto, la decisi\u00f3n sobre la calidad ser\u00e1 m\u00e1s r\u00e1pida si indicas el entorno y el tipo de puerta, y no solo \u201cacero inoxidable\u201d. Copia y rellena:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>SOLICITUD DE PRESUPUESTO PARA BISAGRAS DE ACERO INOXIDABLE\n-------------------\nEntorno de funcionamiento (interior \/ exterior \/ lavable \/ costero \/ marino \/ qu\u00edmico):\nExposici\u00f3n a la sal o al cloruro (ninguna \/ ocasional \/ constante):\nGrado requerido o recomendado (304 \/ 316):\nAcabado (pasivado \/ pulido \/ cepillado):\nMaterial de los elementos de fijaci\u00f3n (a juego con el grado de la bisagra):\nPeso de la puerta:\nN\u00famero de bisagras:\nSe necesita muestra \/ ensayo de niebla salina (s\u00ed \/ no):<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Cuando conoces el entorno, la puerta y la carga, la clasificaci\u00f3n viene por s\u00ed sola. Indica la aplicaci\u00f3n \u2014interior, exterior, con lavado, costera, marina o qu\u00edmica\u2014 y <a href=\"https:\/\/manufactorhinge.com\/es\/contact-us\/\">nuestro equipo de ingenieros<\/a> puede confirmar si es m\u00e1s adecuado el 304 o el 316 y qu\u00e9 modelo hay que utilizar.<\/p>\n\n\n\n<h2 id=\"faq\" class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"FAQ\"><\/span>PREGUNTAS FRECUENTES<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"schema-faq wp-block-yoast-faq-block\"><div class=\"schema-faq-section\" id=\"faq-question-1782700010001\"><strong class=\"schema-faq-question\">\u00bfCu\u00e1l es la diferencia entre las bisagras de acero inoxidable SUS 304 y las de acero inoxidable SUS 316?<\/strong> <p class=\"schema-faq-answer\">Ambos son aceros inoxidables austen\u00edticos resistentes a la corrosi\u00f3n, pero el 316 contiene entre 2 y 3% de molibdeno, lo que mejora considerablemente la resistencia a la corrosi\u00f3n por picaduras y en hendiduras provocada por los cloruros. En entornos secos o sin cloruros, su comportamiento es similar y el 304 es la opci\u00f3n m\u00e1s econ\u00f3mica; en presencia de sal o productos qu\u00edmicos, el 316 resiste donde el 304 presenta picaduras.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782700010002\"><strong class=\"schema-faq-question\">\u00bfCu\u00e1ndo deber\u00eda elegir el 316 en lugar del 304 para una bisagra?<\/strong> <p class=\"schema-faq-answer\">Elige el 316 cuando haya cloruros presentes: emplazamientos costeros o cercanos a la costa, equipos marinos y acu\u00e1ticos, sal de carretera o para descongelar, entornos de piscinas y muchos productos qu\u00edmicos de proceso. Para uso en interiores secos, exteriores en general y la mayor\u00eda de los usos que requieran lavado a presi\u00f3n, el 304 es suficiente y m\u00e1s econ\u00f3mico.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782700010003\"><strong class=\"schema-faq-question\">\u00bfEl acero inoxidable 316 es siempre mejor que el 304?<\/strong> <p class=\"schema-faq-answer\">No siempre: el 316 resiste mejor a los cloruros, pero es m\u00e1s caro, y en entornos sin cloruros el 304 ofrece un rendimiento similar. La elecci\u00f3n adecuada depende del entorno: el 304 por defecto, y el 316 cuando haya sal o productos qu\u00edmicos agresivos. Pagar por el 316 cuando bastar\u00eda con el 304 es un gasto excesivo, no una mejora.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782700010004\"><strong class=\"schema-faq-question\">\u00bfQu\u00e9 tipo de acero inoxidable es el m\u00e1s adecuado para bisagras destinadas a entornos marinos o costeros?<\/strong> <p class=\"schema-faq-answer\">El 316 resiste la corrosi\u00f3n por niebla salina directa y el aire costero cargado de cloruros que provoca picaduras en el 304 con el paso del tiempo, especialmente en las estrechas grietas que rodean el pasador de la bisagra y las hojas. El molibdeno presente en el 316 resiste esa corrosi\u00f3n por picaduras y en grietas, lo que lo convierte en el grado est\u00e1ndar para aplicaciones de bisagras en entornos marinos y costeros.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782700010005\"><strong class=\"schema-faq-question\">\u00bfSe oxidan las bisagras de acero inoxidable 304 cuando est\u00e1n al aire libre?<\/strong> <p class=\"schema-faq-answer\">Las bisagras de acero inoxidable 304 suelen comportarse bien en condiciones clim\u00e1ticas generales al aire libre. Pueden presentar manchas de \u00f3xido o picaduras en entornos ricos en cloruro, como el aire costero, la sal de carretera, el ambiente de las piscinas o los lavados con productos qu\u00edmicos; a menudo, esto se observa primero en los orificios de los tornillos y en la zona de los pasadores, donde las grietas retienen la humedad.<\/p> <\/div> <div class=\"schema-faq-section\" id=\"faq-question-1782700010006\"><strong class=\"schema-faq-question\">\u00bfLas bisagras de acero inoxidable 316 pueden corroerse?<\/strong> <p class=\"schema-faq-answer\">S\u00ed. El acero 316 resiste la corrosi\u00f3n por picaduras de cloruro mucho mejor que el 304, pero puede corroerse si la superficie est\u00e1 contaminada o mal acabada, si queda agua salada atrapada en una hendidura o si se combina con elementos de fijaci\u00f3n incompatibles en una uni\u00f3n h\u00fameda. Es m\u00e1s resistente, pero no es inoxidable.<\/p> <\/div> <\/div>","protected":false},"excerpt":{"rendered":"<p>Choose SUS 304 stainless for general outdoor, washdown, and food-industry hinges, and step up to SUS 316 when chlorides are present \u2014 coastal sites, marine equipment, de-icing salt, and many chemical environments \u2014 because 316&#8217;s added molybdenum is what resists the pitting that 304 cannot. Both grades are corrosion-resistant stainless steels and look identical; the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3962,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_gspb_post_css":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3961","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"blocksy_meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>SUS 304 vs SUS 316 Hinges | Stainless Grade Guide - HSP Industrial Hinges<\/title>\n<meta name=\"description\" content=\"Compare SUS 304 and SUS 316 stainless steel hinges by corrosion resistance, chloride exposure, coastal and marine use, washdown, finish, and cost.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/manufactorhinge.com\/es\/sus-304-vs-sus-316-stainless-steel-hinges\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SUS 304 vs SUS 316 Hinges | Stainless Grade Guide - 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In dry or chloride-free settings they perform similarly and 304 is the lower-cost choice; near salt or chemicals, 316 lasts where 304 pits.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010002","position":2,"url":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010002","name":"\u00bfCu\u00e1ndo deber\u00eda elegir el 316 en lugar del 304 para una bisagra?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Choose 316 when chlorides are present - coastal or near-shore sites, marine and on-water equipment, road or de-icing salt, swimming-pool atmospheres, and many process chemicals. For dry indoor, general outdoor, and most washdown use, 304 is sufficient and more economical.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010003","position":3,"url":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010003","name":"\u00bfEl acero inoxidable 316 es siempre mejor que el 304?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Not always - 316 resists chlorides better, but it costs more, and in chloride-free environments 304 performs about the same. The right choice is by environment: 304 by default, 316 where salt or aggressive chemicals are present. Paying for 316 where 304 would do is overspending, not an upgrade.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010004","position":4,"url":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010004","name":"\u00bfQu\u00e9 tipo de acero inoxidable es el m\u00e1s adecuado para bisagras destinadas a entornos marinos o costeros?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"316. Direct salt spray and chloride-laden coastal air pit 304 over time, especially in the tight crevices around a hinge pin and leaves. The molybdenum in 316 resists that pitting and crevice corrosion, making it the standard grade for marine and coastal hinge applications.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010005","position":5,"url":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010005","name":"\u00bfSe oxidan las bisagras de acero inoxidable 304 cuando est\u00e1n al aire libre?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"304 stainless hinges usually perform well in general outdoor weather. They can show rust staining or pitting in chloride-rich environments such as coastal air, road salt, pool atmospheres, or chemical washdown - often first at the screw holes and pin area, where crevices trap moisture.","inLanguage":"es"},"inLanguage":"es"},{"@type":"Question","@id":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010006","position":6,"url":"https:\/\/manufactorhinge.com\/sus-304-vs-sus-316-stainless-steel-hinges\/#faq-question-1782700010006","name":"\u00bfLas bisagras de acero inoxidable 316 pueden corroerse?","answerCount":1,"acceptedAnswer":{"@type":"Answer","text":"Yes. 316 resists chloride pitting far better than 304, but it can still corrode if the surface is contaminated or poorly finished, if saltwater stays trapped in a crevice, or if it is paired with incompatible fasteners in a wet joint. It is more resistant, not rust-proof.","inLanguage":"es"},"inLanguage":"es"}]}},"acf":[],"_links":{"self":[{"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/posts\/3961","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/comments?post=3961"}],"version-history":[{"count":1,"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/posts\/3961\/revisions"}],"predecessor-version":[{"id":3963,"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/posts\/3961\/revisions\/3963"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/media\/3962"}],"wp:attachment":[{"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/media?parent=3961"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/categories?post=3961"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/manufactorhinge.com\/es\/wp-json\/wp\/v2\/tags?post=3961"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}