{"id":2083,"date":"2021-01-20T15:40:44","date_gmt":"2021-01-20T14:40:44","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2083"},"modified":"2025-09-29T22:14:10","modified_gmt":"2025-09-29T20:14:10","slug":"billes-en-rubis","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/","title":{"rendered":"Billes en Rubis"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Corundum\">Billes en rubis \u2013 Composants de pr\u00e9cision haute performance<\/a><\/h2>\n<p>Les billes en rubis sont des sph\u00e8res de pr\u00e9cision fabriqu\u00e9es en rubis synth\u00e9tique (Al\u2082O\u2083:Cr), une forme cristalline de corindon dop\u00e9e au chrome. R\u00e9put\u00e9es pour leur duret\u00e9 exceptionnelle \u2014 seconde apr\u00e8s le diamant \u2014 et leur remarquable r\u00e9sistance \u00e0 l\u2019usure, elles sont indispensables pour les applications exigeant durabilit\u00e9, stabilit\u00e9 dimensionnelle et r\u00e9sistance aux conditions extr\u00eames. Leurs propri\u00e9t\u00e9s uniques les rendent id\u00e9ales pour l\u2019a\u00e9ronautique, l\u2019instrumentation biom\u00e9dicale et l\u2019ing\u00e9nierie sous vide pouss\u00e9.<\/p>\n<h3>\ud83d\udd27 Sp\u00e9cifications techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Structure cristalline<\/strong> : Monocristal hexagonal rhombo\u00e9drique<\/li>\n<li><strong>Composition<\/strong> : Al\u2082O\u2083:Cr (rubis synth\u00e9tique)<\/li>\n<li><strong>Puret\u00e9<\/strong> : 99,99 %<\/li>\n<li><strong>Densit\u00e9<\/strong> : ~3,99 g\/cm\u00b3<\/li>\n<li><strong>Duret\u00e9 Mohs<\/strong> : 9<\/li>\n<li><strong>Duret\u00e9 Knoop<\/strong> : ~2200 (axe C), ~1800 (perpendiculaire \u00e0 l\u2019axe C)<\/li>\n<li><strong>Module d\u2019Young<\/strong> : ~440 GPa<\/li>\n<li><strong>Point de fusion<\/strong> : ~2050 \u00b0C<\/li>\n<li><strong>Conductivit\u00e9 thermique<\/strong> : ~40 W\/m\u00b7K \u00e0 300 K<\/li>\n<li><strong>Dilatation thermique<\/strong> : 6,2 \u00d7 10\u207b\u2076 \/\u00b0C (parall\u00e8le \u00e0 l\u2019axe C), 5,4 \u00d7 10\u207b\u2076 \/\u00b0C (perpendiculaire)<\/li>\n<li><strong>R\u00e9sistivit\u00e9 \u00e9lectrique<\/strong> : &gt;10\u00b9\u00b2 \u03a9\u00b7cm (isolant)<\/li>\n<li><strong>Constante di\u00e9lectrique<\/strong> : 10,6 (parall\u00e8le \u00e0 l\u2019axe C), 8,6 (perpendiculaire)<\/li>\n<\/ul>\n<h3>\u2705 Avantages<\/h3>\n<ul>\n<li><strong>Duret\u00e9 et r\u00e9sistance \u00e0 l\u2019usure exceptionnelles<\/strong> : Long\u00e9vit\u00e9 en environnements \u00e0 fort frottement.<\/li>\n<li><strong>Haute stabilit\u00e9 thermique<\/strong> : Fonctionne jusqu\u2019\u00e0 ~2050 \u00b0C.<\/li>\n<li><strong>Inertie chimique des billes en rubis<\/strong> : R\u00e9sistantes \u00e0 la plupart des acides et des bases.<\/li>\n<li><strong>Stabilit\u00e9 dimensionnelle<\/strong> : Maintien de la forme sous contraintes m\u00e9caniques et thermiques.<\/li>\n<li><strong>Isolation \u00e9lectrique<\/strong> : Id\u00e9ales lorsque la non-conductivit\u00e9 est requise.<\/li>\n<li><strong>Transparence optique<\/strong> : Utile lorsque la transparence est essentielle.<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des billes en rubis<\/h3>\n<p>Les billes en rubis sont utilis\u00e9es dans diverses applications de haute pr\u00e9cision, notamment :<\/p>\n<ul>\n<li><strong>Paliers de pr\u00e9cision<\/strong> : Montres m\u00e9caniques, gyroscopes et instruments n\u00e9cessitant faible frottement et grande durabilit\u00e9.<\/li>\n<li><strong>Syst\u00e8mes optiques<\/strong> : Connecteurs \u00e0 fibre optique, syst\u00e8mes laser et dispositifs d\u2019alignement optique.<\/li>\n<li><strong>Instruments de mesure<\/strong> : D\u00e9bitm\u00e8tres, lecteurs de codes-barres et autres \u00e9quipements de m\u00e9trologie.<\/li>\n<li><strong>A\u00e9rospatial et biom\u00e9dical<\/strong> : Milieux exigeant fiabilit\u00e9 et performances \u00e9lev\u00e9es.<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Qualit\u00e9s et tailles disponibles<\/h3>\n<p>Les billes en rubis sont propos\u00e9es dans diverses qualit\u00e9s et tailles pour r\u00e9pondre aux exigences sp\u00e9cifiques :<\/p>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Qualit\u00e9s<\/strong> : G1, G2, G3, G5, G10 jusqu\u2019\u00e0 G25<\/a><\/li>\n<li><strong>Tailles<\/strong> : Diam\u00e8tres de 0,16 mm \u00e0 10 mm ; dimensions sur mesure sur demande.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Billes en rubis \u2013 Composants de pr\u00e9cision haute performance Les billes en rubis sont des sph\u00e8res de pr\u00e9cision fabriqu\u00e9es en rubis synth\u00e9tique (Al\u2082O\u2083:Cr), une forme cristalline de corindon dop\u00e9e au chrome. R\u00e9put\u00e9es pour leur duret\u00e9 exceptionnelle \u2014 seconde apr\u00e8s le diamant \u2014 et leur remarquable r\u00e9sistance \u00e0 l\u2019usure, elles sont indispensables pour les applications [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9228,"parent":2081,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2083","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.8 (Yoast SEO v28.8) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Billes en Rubis \u2013 Duret\u00e9, pr\u00e9cision et r\u00e9sistance \u00e0 l\u2019usure<\/title>\n<meta name=\"description\" content=\"Billes en Rubis: ultra-dures, r\u00e9sistantes \u00e0 l\u2019usure et stables, id\u00e9ales pour instruments de pr\u00e9cision, roulements et applications techniques\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Billes en Rubis\" \/>\n<meta property=\"og:description\" content=\"Billes en Rubis: ultra-dures, r\u00e9sistantes \u00e0 l\u2019usure et stables, id\u00e9ales pour instruments de pr\u00e9cision, roulements et applications techniques\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/\" \/>\n<meta property=\"og:site_name\" content=\"Redhill Precision Specialty Balls\" \/>\n<meta property=\"article:modified_time\" content=\"2025-09-29T20:14:10+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2025\/09\/red-ruby-balls.png\" \/>\n\t<meta property=\"og:image:width\" content=\"750\" \/>\n\t<meta property=\"og:image:height\" content=\"500\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/\",\"url\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/\",\"name\":\"Billes en Rubis \u2013 Duret\u00e9, pr\u00e9cision et r\u00e9sistance \u00e0 l\u2019usure\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.redhillballs.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/red-ruby-balls.png\",\"datePublished\":\"2021-01-20T14:40:44+00:00\",\"dateModified\":\"2025-09-29T20:14:10+00:00\",\"description\":\"Billes en Rubis: ultra-dures, r\u00e9sistantes \u00e0 l\u2019usure et stables, id\u00e9ales pour instruments de pr\u00e9cision, roulements et applications techniques\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/#breadcrumb\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.redhillballs.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/red-ruby-balls.png\",\"contentUrl\":\"https:\\\/\\\/www.redhillballs.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/red-ruby-balls.png\",\"width\":750,\"height\":500,\"caption\":\"Billes en Rubis\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/billes-en-rubis\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\u016f\",\"item\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Produits\",\"item\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Billes en saphir et rubis\",\"item\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/produits\\\/billes-en-saphir-et-rubis\\\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Billes en Rubis\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/#website\",\"url\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/\",\"name\":\"Redhill Precision Specialty Balls\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.redhillballs.com\\\/fr\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"fr-FR\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Billes en Rubis \u2013 Duret\u00e9, pr\u00e9cision et r\u00e9sistance \u00e0 l\u2019usure","description":"Billes en Rubis: ultra-dures, r\u00e9sistantes \u00e0 l\u2019usure et stables, id\u00e9ales pour instruments de pr\u00e9cision, roulements et applications techniques","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/","og_locale":"fr_FR","og_type":"article","og_title":"Billes en Rubis","og_description":"Billes en Rubis: ultra-dures, r\u00e9sistantes \u00e0 l\u2019usure et stables, id\u00e9ales pour instruments de pr\u00e9cision, roulements et applications techniques","og_url":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/","og_site_name":"Redhill Precision Specialty Balls","article_modified_time":"2025-09-29T20:14:10+00:00","og_image":[{"width":750,"height":500,"url":"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2025\/09\/red-ruby-balls.png","type":"image\/png"}],"twitter_card":"summary_large_image","twitter_misc":{"Dur\u00e9e de lecture estim\u00e9e":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/","url":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/","name":"Billes en Rubis \u2013 Duret\u00e9, pr\u00e9cision et r\u00e9sistance \u00e0 l\u2019usure","isPartOf":{"@id":"https:\/\/www.redhillballs.com\/fr\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/#primaryimage"},"image":{"@id":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/#primaryimage"},"thumbnailUrl":"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2025\/09\/red-ruby-balls.png","datePublished":"2021-01-20T14:40:44+00:00","dateModified":"2025-09-29T20:14:10+00:00","description":"Billes en Rubis: ultra-dures, r\u00e9sistantes \u00e0 l\u2019usure et stables, id\u00e9ales pour instruments de pr\u00e9cision, roulements et applications techniques","breadcrumb":{"@id":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/#primaryimage","url":"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2025\/09\/red-ruby-balls.png","contentUrl":"https:\/\/www.redhillballs.com\/wp-content\/uploads\/2025\/09\/red-ruby-balls.png","width":750,"height":500,"caption":"Billes en Rubis"},{"@type":"BreadcrumbList","@id":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/billes-en-rubis\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom\u016f","item":"https:\/\/www.redhillballs.com\/fr\/"},{"@type":"ListItem","position":2,"name":"Produits","item":"https:\/\/www.redhillballs.com\/fr\/produits\/"},{"@type":"ListItem","position":3,"name":"Billes en saphir et rubis","item":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-saphir-et-rubis\/"},{"@type":"ListItem","position":4,"name":"Billes en Rubis"}]},{"@type":"WebSite","@id":"https:\/\/www.redhillballs.com\/fr\/#website","url":"https:\/\/www.redhillballs.com\/fr\/","name":"Redhill Precision Specialty Balls","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.redhillballs.com\/fr\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"}]}},"_links":{"self":[{"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/pages\/2083","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/comments?post=2083"}],"version-history":[{"count":5,"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/pages\/2083\/revisions"}],"predecessor-version":[{"id":9390,"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/pages\/2083\/revisions\/9390"}],"up":[{"embeddable":true,"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/pages\/2081"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/media\/9228"}],"wp:attachment":[{"href":"https:\/\/www.redhillballs.com\/fr\/wp-json\/wp\/v2\/media?parent=2083"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}