{"id":14318,"date":"2026-09-22T20:16:28","date_gmt":"2026-09-22T20:16:28","guid":{"rendered":"https:\/\/www.belmontmetals.com\/product\/aleacion-de-aluminio-a390-1-2\/"},"modified":"2026-10-30T22:01:19","modified_gmt":"2026-10-30T22:01:19","slug":"aleacion-de-aluminio-a390-1","status":"publish","type":"product","link":"https:\/\/www.belmontmetals.com\/es\/producto\/aleacion-de-aluminio-a390-1\/","title":{"rendered":"Aleaci\u00f3n de Aluminio A390.1"},"content":{"rendered":"

La Aleaci\u00f3n de Aluminio A390.1 es una aleaci\u00f3n de Al-Si hipereut\u00e9ctica con alto contenido de silicio (17%) que proporciona propiedades de desgaste excepcionales y baja expansi\u00f3n t\u00e9rmica. Las part\u00edculas de silicio primario distribuidas en la matriz de aluminio act\u00faan como elementos duros de soporte que resisten el desgaste abrasivo. El bajo coeficiente de expansi\u00f3n t\u00e9rmica es cr\u00edtico en aplicaciones de motor donde la holgura entre el pist\u00f3n y el cilindro debe mantenerse constante en un amplio rango de temperatura de operaci\u00f3n. Esta aleaci\u00f3n requiere tratamiento con f\u00f3sforo para refinar las part\u00edculas de silicio primario antes de la fundici\u00f3n. Se utiliza principalmente en bloques de motor de alta especificaci\u00f3n; cuerpos de bomba de agua y componentes hidr\u00e1ulicos.<\/p>\n","protected":false},"excerpt":{"rendered":"

Aleaci\u00f3n de Al-Si hipereut\u00e9ctica (77,9% Al; 17% Si; 4,5% Cu; 0,6% Mg) con resistencia al desgaste superior y baja expansi\u00f3n t\u00e9rmica. Utilizada en bloques de motor y cilindros de alta especificaci\u00f3n.<\/p>\n","protected":false},"featured_media":383,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[65],"product_tag":[],"industry":[],"class_list":["post-14318","product","type-product","status-publish","has-post-thumbnail","product_cat-aluminum-alloys","pa_density-g-cm3-2-73","pa_density-lbs-in3-0-099","pa_forms-lingote-4-18","pa_key-features-baja-expansion-termica","pa_key-features-grado-para-bloque-de-motor","pa_key-features-resistencia-al-desgaste-superior","pa_key-features-silicio-hipereutectico","pa_melting-point-liquidus-f-8060","pa_melting-point-solidus-f-8059","pa_nominal-composition-0-6-mg","pa_nominal-composition-17-si","pa_nominal-composition-4-5-cu","pa_nominal-composition-77-9-al","pa_primary-elements-al","pa_primary-elements-cu","pa_primary-elements-mg","pa_primary-elements-si","first","instock","product-type-simple"],"group_of_quantity":0,"min_quantity":0,"max_quantity":"","exclude_order_quantity_value_rules":"no","exclude_category_quantity_rules":"no","combine_variations":"no","acf":[],"yoast_head":"\nAleaci\u00f3n de Aluminio A390.1 | Belmont Metals<\/title>\n<meta name=\"description\" content=\"Aleaci\u00f3n de Aluminio A390.1 de Belmont Metals. 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