{"id":2005,"date":"2021-01-20T15:23:12","date_gmt":"2021-01-20T14:23:12","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2005"},"modified":"2025-09-29T19:30:26","modified_gmt":"2025-09-29T17:30:26","slug":"billes-en-tantale","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-metaux-non-ferreux-et-alliages\/billes-en-tantale\/","title":{"rendered":"Billes en Tantale"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Tantalum\">Billes de tantale \u2013 r\u00e9sistance ultra \u00e9lev\u00e9e \u00e0 la corrosion &amp; biocompatibilit\u00e9<\/a><\/h2>\n<p>Les billes de tantale offrent une r\u00e9sistance exceptionnelle aux acides agressifs et aux chlorures tout en restant non magn\u00e9tiques et non \u00e9tincelantes. Avec une densit\u00e9 tr\u00e8s \u00e9lev\u00e9e et une surface Ta\u2082O\u2085 naturellement passive, elles assurent une \u00e9tanch\u00e9it\u00e9 et un roulement propres et fiables dans les environnements chimiques, pharmaceutiques et d\u2019instrumentation les plus exigeants.<\/p>\n<h3>\ud83d\udd27 Sp\u00e9cifications techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Composition<\/strong> : Ta \u226599,9 % (commercialement pur)<\/li>\n<li><strong>Structure<\/strong> : m\u00e9tal r\u00e9fractaire, r\u00e9seau cubique centr\u00e9 (BCC)<\/li>\n<li><strong>Duret\u00e9<\/strong> : ~120\u2013160 HV (selon l\u2019\u00e9tat)<\/li>\n<li><strong>R\u00e9sistance \u00e0 la traction<\/strong> : \u2248 200\u2013300 MPa (recuit ; plus \u00e9lev\u00e9e \u00e0 l\u2019\u00e9croui)<\/li>\n<li><strong>Densit\u00e9<\/strong> : ~16,6 g\/cm\u00b3<\/li>\n<li><strong>Point de fusion<\/strong> : ~3017 \u00b0C<\/li>\n<li><strong>\u00c9lectrique\/Magn\u00e9tique<\/strong> : r\u00e9sistivit\u00e9 ~13\u201315 \u00b5\u03a9\u00b7cm ; non magn\u00e9tique<\/li>\n<li><strong>Corrosion<\/strong> : remarquable dans la plupart des acides ; non adapt\u00e9 aux milieux contenant du HF<\/li>\n<\/ul>\n<h3>\u2705 Avantages des Billes en Tantale<\/h3>\n<ul>\n<li><strong>R\u00e9sistance extr\u00eame \u00e0 la corrosion<\/strong> en milieux acides\/chlorur\u00e9s mixtes<\/li>\n<li><strong>Biocompatible &amp; inerte<\/strong> (film Ta\u2082O\u2085)<\/li>\n<li><strong>Haute densit\u00e9<\/strong> pour un \u00e9tanchage s\u00fbr et un mouvement stable<\/li>\n<li><strong>Non \u00e9tincelant &amp; non magn\u00e9tique<\/strong><\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des Billes en Tantale<\/h3>\n<ul>\n<li><strong>Chimie &amp; pharma<\/strong> : billes clapets\/siege pour fluides agressifs<\/li>\n<li><strong>Proc\u00e9d\u00e9s humides des semi-conducteurs<\/strong> &amp; dosage de pr\u00e9cision<\/li>\n<li><strong>Instrumentation<\/strong> : \u00e9l\u00e9ments roulants r\u00e9sistants \u00e0 la corrosion<\/li>\n<\/ul>\n<h3>\ud83d\udce6 Nuances &amp; tailles disponibles<\/h3>\n<ul>\n<li><a href=\"https:\/\/www.redhillballs.com\/company\/precision-grades\/\"><strong>Normes<\/strong> : ISO 3290, DIN 5401, AFBMA (tol\u00e9rances \u00e9quivalentes)<\/a><\/li>\n<li><strong>Plage de diam\u00e8tres<\/strong> : tailles imp\u00e9riales et m\u00e9triques standard ; hors-standard\/sur mesure sur demande<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Billes de tantale \u2013 r\u00e9sistance ultra \u00e9lev\u00e9e \u00e0 la corrosion &amp; biocompatibilit\u00e9 Les billes de tantale offrent une r\u00e9sistance exceptionnelle aux acides agressifs et aux chlorures tout en restant non magn\u00e9tiques et non \u00e9tincelantes. Avec une densit\u00e9 tr\u00e8s \u00e9lev\u00e9e et une surface Ta\u2082O\u2085 naturellement passive, elles assurent une \u00e9tanch\u00e9it\u00e9 et un roulement propres et [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8748,"parent":1991,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2005","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 Tantale \u2013 R\u00e9sistance chimique et pr\u00e9cision industrielle<\/title>\n<meta name=\"description\" content=\"Billes en Tantale : anticorrosion et r\u00e9sistantes aux produits chimiques, pour pompes, vannes et usages techniques\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" 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