{"id":15510,"date":"2025-04-08T16:58:05","date_gmt":"2025-04-08T08:58:05","guid":{"rendered":"https:\/\/www.sogaworks.com\/?p=15510"},"modified":"2025-05-08T18:11:48","modified_gmt":"2025-05-08T10:11:48","slug":"food-grade-stainless-steel","status":"publish","type":"post","link":"https:\/\/www.sogaworks.com\/es\/blogs\/food-grade-stainless-steel\/","title":{"rendered":"Descripci\u00f3n general del acero inoxidable para uso alimentario"},"content":{"rendered":"<p>Cuando compre vajilla de acero inoxidable, a menudo ver\u00e1 etiquetas como \"acero inoxidable 304\". Algunos vendedores afirman: \"El 304 es acero inoxidable apto para uso alimentario\", mientras que otros dicen: \"El 316 es mejor que el 304\". \u00bfQu\u00e9 significan estos confusos n\u00fameros? \u00bfY qu\u00e9 tienen que ver con la calidad alimentaria?<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>\u00bfQu\u00e9 es el acero inoxidable de calidad alimentaria?<\/strong><\/h2>\n\n\n\n<p>El acero inoxidable alimentario es un tipo de acero inoxidable dise\u00f1ado para aplicaciones alimentarias. Tiene las propiedades b\u00e1sicas del acero inoxidable, como resistencia a la corrosi\u00f3n y <a href=\"https:\/\/www.sogaworks.com\/es\/blogs\/does-stainless-steel-rust\/\">prevenci\u00f3n de la oxidaci\u00f3n<\/a>Adem\u00e1s, garantiza que no se liberen sustancias nocivas al entrar en contacto con los alimentos. El acero inoxidable alimentario ofrece m\u00faltiples ventajas:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Resistente a la corrosi\u00f3n:<\/strong> El acero inoxidable de calidad alimentaria resiste el \u00f3xido y la corrosi\u00f3n, incluso en entornos \u00e1cidos o alcalinos durante largos periodos.<\/li>\n\n\n\n<li><strong>Resistente al calor:<\/strong> Puede soportar altas temperaturas sin fundirse ni perder su forma.<\/li>\n\n\n\n<li><strong>Higi\u00e9nico:<\/strong> No contaminar\u00e1 los alimentos ni afectar\u00e1 a su calidad y seguridad.<\/li>\n\n\n\n<li><strong>Es f\u00e1cil trabajar con ellos:<\/strong> Este acero es f\u00e1cil de cortar, soldar, doblar y moldear durante su procesamiento.<\/li>\n<\/ul>\n\n\n\n<p>A continuaci\u00f3n se exponen las normas y reglamentos internacionales relativos al acero inoxidable de calidad alimentaria que contemplan requisitos y m\u00e9todos de ensayo espec\u00edficos:<\/p>\n\n\n\n<p><strong>Norma china: GB4806.9-2016<\/strong><\/p>\n\n\n\n<p>La norma china GB4806.9-2016 cubre el acero inoxidable de calidad alimentaria, incluyendo <a href=\"https:\/\/www.sogaworks.com\/es\/blogs\/austenite-vs-martensite-vs-ferrite\/\">austen\u00edticos, ferr\u00edticos y de otros tipos<\/a>. El acero inoxidable martens\u00edtico est\u00e1 autorizado para vajillas y equipos: las pruebas est\u00e1ndar de migraci\u00f3n de elementos nocivos. Una soluci\u00f3n de \u00e1cido ac\u00e9tico 4%, que imita la acidez de los alimentos, hierve en un recipiente de acero durante 30 minutos y, a continuaci\u00f3n, permanece a temperatura ambiente durante 24 horas. Se miden metales pesados como ars\u00e9nico, cadmio, plomo, cromo y n\u00edquel. Los niveles deben mantenerse por debajo de los l\u00edmites: plomo a 0,05 mg\/kg, n\u00edquel a 0,5 mg\/kg. As\u00ed se controlan los riesgos de toxicidad cr\u00f3nica para la salud.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"792\" height=\"310\" src=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-4.png\" alt=\"SRLS en la norma GB\" class=\"wp-image-15530\" srcset=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-4.png 792w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-4-300x117.png 300w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-4-768x301.png 768w\" sizes=\"(max-width: 792px) 100vw, 792px\" \/><\/figure>\n\n\n\n<p><strong>Normas estadounidenses: FDA y NSF<\/strong><\/p>\n\n\n\n<p>La FDA y la NSF regulan el acero inoxidable de calidad alimentaria en EE.UU. Las normas de la FDA exigen un m\u00ednimo de 16% de cromo para formar una capa de \u00f3xido protectora contra la oxidaci\u00f3n y la corrosi\u00f3n. La NSF exige una superficie lisa, con un valor Ra de 0,8 micr\u00f3metros o menos, para limitar las bacterias. Los estudios demuestran que el acero inoxidable es inerte, pero el cromo y el n\u00edquel pueden pasar a los alimentos. Esto depende del tipo de acero, el calor de cocci\u00f3n, el tiempo y la acidez de los alimentos. Una comida libera menos de 45 microgramos de cromo, muy por debajo de los 50-200 microgramos diarios de ingesta segura para adultos.<\/p>\n\n\n\n<p><strong>Normas europeas<\/strong><\/p>\n\n\n\n<p>Europa no tiene una norma fija sobre el cromo, pero exige pruebas de liberaci\u00f3n de metales. La Autoridad Europea de Seguridad Alimentaria utiliza una soluci\u00f3n de \u00e1cido c\u00edtrico de 5 g\/l a pH 2,4. El acero se expone a 70 \u00b0C durante 2 horas. El acero se expone a 70 \u00b0C durante 2 horas y despu\u00e9s reposa a 40 \u00b0C durante 24 o 238 horas. Se comprueban los niveles de hierro, cromo, n\u00edquel y manganeso. Los l\u00edmites incluyen n\u00edquel a 0,1 mg\/kg y cromo a 0,25 mg\/kg. Esto imita el contacto \u00e1cido con los alimentos para garantizar la seguridad. Francia establece un m\u00ednimo de 13% de cromo.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"519\" src=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-1-1024x519.png\" alt=\"SRLS de acero inoxidable de calidad alimentaria\" class=\"wp-image-15514\" srcset=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-1-1024x519.png 1024w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-1-300x152.png 300w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-1-768x389.png 768w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-1.png 1080w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"884\" src=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-2-1024x884.png\" alt=\"L\u00edmites de liberaci\u00f3n de hierro y cromo\" class=\"wp-image-15517\" srcset=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-2-1024x884.png 1024w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-2-300x259.png 300w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-2-768x663.png 768w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-2.png 1042w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"771\" height=\"900\" src=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-3.png\" alt=\"L\u00edmites de liberaci\u00f3n de n\u00edquel y manganeso\" class=\"wp-image-15520\" srcset=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-3.png 771w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-3-257x300.png 257w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-3-768x896.png 768w\" sizes=\"(max-width: 771px) 100vw, 771px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Calidades comunes de acero inoxidable para uso alimentario<\/h2>\n\n\n\n<p>El acero inoxidable se clasifica en varias series y grados en funci\u00f3n de su composici\u00f3n y microestructura. Las series 300 y 400 se utilizan habitualmente en la industria alimentaria.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Acero inoxidable 304<\/h3>\n\n\n\n<p>El acero inoxidable 304 es el m\u00e1s utilizado en los utensilios de cocina. En el sistema de clasificaci\u00f3n de cubiertos, se suele etiquetar como <a href=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2024\/10\/18-8-vs-304-stainless-steel.jpg\">Acero inoxidable 18\/8<\/a>. El primer n\u00famero significa 18% de cromo y el segundo 8% de n\u00edquel. Estos elementos confieren al acero fuerza, brillo y resistencia a la oxidaci\u00f3n.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-6.png\" alt=\"\" class=\"wp-image-15546\" style=\"width:364px;height:auto\" srcset=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-6.png 1000w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-6-300x300.png 300w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-6-150x150.png 150w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-6-768x768.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">Acero inoxidable 316<\/h3>\n\n\n\n<p>El acero inoxidable 316 contiene aproximadamente 16-18% de cromo, 10-14% de n\u00edquel y 2% de molibdeno. En el sistema de clasificaci\u00f3n de cuchiller\u00eda, se denomina acero inoxidable 18\/10, lo que significa que tiene 18% de cromo y 10% de n\u00edquel. Es menos com\u00fan que <a href=\"https:\/\/www.sogaworks.com\/es\/blogs\/304-stainless-steel-properties\/\">Acero inoxidable 304<\/a> y se considera una opci\u00f3n de primera calidad por su excelente resistencia a la corrosi\u00f3n. Se denomina acero inoxidable de calidad quir\u00fargica porque se utiliza mucho en implantes m\u00e9dicos. Sin embargo, el acero inoxidable 316 es caro, por lo que es poco frecuente en los utensilios de cocina.<\/p>\n\n\n\n<p>\u00bfEs el 316 mejor que el 304? En t\u00e9rminos de resistencia a la corrosi\u00f3n, s\u00ed. Pero para cocinar todos los d\u00edas, el acero inoxidable 304 de alta calidad suele ser suficiente. A menos que cocine alimentos \u00e1cidos, no necesitar\u00e1 316.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"500\" height=\"500\" src=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-5.png\" alt=\"\" class=\"wp-image-15542\" style=\"width:390px;height:auto\" srcset=\"https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-5.png 500w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-5-300x300.png 300w, https:\/\/www.sogaworks.com\/wp-content\/uploads\/2025\/04\/image-5-150x150.png 150w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure><\/div>\n\n\n<h3 class=\"wp-block-heading\">Acero inoxidable 430<\/h3>\n\n\n\n<p>El acero inoxidable 430 es magn\u00e9tico y no contiene una cantidad significativa de n\u00edquel. En el sistema de clasificaci\u00f3n de cuchiller\u00eda, se conoce como acero inoxidable 18\/0, lo que significa que tiene 18% de cromo y aproximadamente 0,75% de n\u00edquel. Sin n\u00edquel, el 430 es m\u00e1s propenso a la oxidaci\u00f3n y la corrosi\u00f3n que el 304 o el 316, y puede perder brillo con el tiempo.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Acero inoxidable 440<\/h3>\n\n\n\n<p>Los aceros inoxidables 440 y 440C tambi\u00e9n se utilizan en aplicaciones alimentarias. Son conocidos por su gran dureza, que procede del tratamiento t\u00e9rmico. Estas calidades son habituales en los cuchillos de cocina por su resistencia, filo y resistencia al desgaste. Sin embargo, son m\u00e1s propensos a la oxidaci\u00f3n que el 304 o el 316, por lo que no son ideales para cubiertos o utensilios de servicio.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00bfEs el acero inoxidable de calidad alimentaria igual al 304 o al 316?<\/h2>\n\n\n\n<p>Etiquetas como \"grado alimentario\", \"grado aeron\u00e1utico\" o \"grado m\u00e9dico\" se refieren a normas industriales espec\u00edficas. El mero hecho de conocer los grados del acero no basta para afirmar que cumple esos grados. Por ejemplo, el acero inoxidable 304 significa que el material cumple las propiedades generales definidas en las normas nacionales. Pero s\u00f3lo el 304 que cumple la norma, como la GB 4806.9-2016 (norma china de seguridad alimentaria para metales en contacto con alimentos), puede denominarse realmente acero inoxidable de calidad alimentaria.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Acerca de SogaWorks<\/strong><\/h3>\n\n\n\n<p>SogaWorks es una plataforma en l\u00ednea todo en uno para piezas mec\u00e1nicas personalizadas, que conecta a m\u00e1s de 1.000 f\u00e1bricas de primer nivel para dar servicio a startups y grandes empresas. Ofrecemos soluciones de fabricaci\u00f3n flexibles para la creaci\u00f3n r\u00e1pida de prototipos, pruebas de peque\u00f1o volumen y producci\u00f3n a gran escala con servicios como mecanizado CNC, impresi\u00f3n 3D, fabricaci\u00f3n de chapa met\u00e1lica, fundici\u00f3n de uretano y moldeo por inyecci\u00f3n. Con nuestro motor de presupuestos basado en IA, SogaWorks puede ofrecer presupuestos en 5 segundos, buscar la mejor capacidad y realizar un seguimiento de cada paso. Esto reduce los plazos de entrega y mejora la calidad del producto.<\/p>","protected":false},"excerpt":{"rendered":"<p>El acero inoxidable de calidad alimentaria tiene las propiedades b\u00e1sicas del acero inoxidable, como la resistencia a la corrosi\u00f3n y la prevenci\u00f3n de la oxidaci\u00f3n, al tiempo que garantiza que no se liberen sustancias nocivas cuando entra en contacto con los alimentos.<\/p>","protected":false},"author":1,"featured_media":15536,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[11],"tags":[28],"class_list":["post-15510","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-manufacturing-materials","tag-medical-applications"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Overview of Food Grade Stainless Steel<\/title>\n<meta name=\"description\" content=\"Food-grade stainless steel offers the basic properties of stainless steel while also ensuring that no harmful substances 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