{"id":2001,"date":"2021-01-20T15:22:32","date_gmt":"2021-01-20T14:22:32","guid":{"rendered":"https:\/\/www.redhillballs.com\/?page_id=2001"},"modified":"2025-09-29T19:25:27","modified_gmt":"2025-09-29T17:25:27","slug":"billes-en-monel","status":"publish","type":"page","link":"https:\/\/www.redhillballs.com\/fr\/produits\/billes-en-metaux-non-ferreux-et-alliages\/billes-en-monel\/","title":{"rendered":"Billes en Monel"},"content":{"rendered":"<h2>\ud83d\udee0\ufe0f <a href=\"https:\/\/en.wikipedia.org\/wiki\/Monel\">Billes Monel (alliage K-500) \u2013 r\u00e9sistance par durcissement structural et immunit\u00e9 \u00e0 l\u2019eau de mer<\/a><\/h2>\n<p>Les Billes en Monel (UNS N05500) associent l\u2019excellente r\u00e9sistance \u00e0 la corrosion en eau de mer et chimique du Monel 400 \u00e0 une r\u00e9sistance\/duret\u00e9 nettement sup\u00e9rieures via le durcissement par pr\u00e9cipitation (Al\/Ti). Elles offrent un fonctionnement fiable, sans \u00e9tincelles et \u00e0 faible perm\u00e9abilit\u00e9 magn\u00e9tique pour des \u00e9l\u00e9ments roulants et d\u2019\u00e9tanch\u00e9it\u00e9 exigeants dans les \u00e9quipements marins et chimiques.<\/p>\n<h3>\ud83d\udd27 Sp\u00e9cifications techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Composition<\/strong> : Ni ~63 % typ., Cu 27\u201333 %, Al 2,3\u20133,15 %, Ti 0,35\u20130,85 %, Fe \u22642 % (reste)<\/li>\n<li><strong>Structure<\/strong> : alliage nickel\u2013cuivre, durcissable par pr\u00e9cipitation (\u03b3\u2032 Ni\u2083(Al,Ti))<\/li>\n<li><strong>Duret\u00e9<\/strong> : ~28\u201340 HRC (vieilli ; selon l\u2019\u00e9tat)<\/li>\n<li><strong>R\u00e9sistance \u00e0 la traction<\/strong> : \u2248 900\u20131 100 MPa (selon traitement thermique)<\/li>\n<li><strong>Densit\u00e9<\/strong> : ~8,44\u20138,6 g\/cm\u00b3<\/li>\n<li><strong>Corrosion<\/strong> : excellente en eau de mer, alcalins, acides non oxydants ; haute r\u00e9sistance au piq\u00fbrage\/\u00e0 la corrosion caverneuse<\/li>\n<li><strong>Magn\u00e9tique<\/strong> : faible perm\u00e9abilit\u00e9 magn\u00e9tique ; pratiquement non magn\u00e9tique en service<\/li>\n<\/ul>\n<h2>\ud83d\udee0\ufe0f Billes Monel 400 \u2013 fiabilit\u00e9 av\u00e9r\u00e9e nickel\u2013cuivre en milieux s\u00e9v\u00e8res<\/h2>\n<p>Les billes Monel 400 (UNS N04400) offrent une r\u00e9sistance remarquable \u00e0 l\u2019eau de mer, \u00e0 l\u2019acide fluorhydrique et aux milieux alcalins, avec une bonne t\u00e9nacit\u00e9 des basses aux hautes temp\u00e9ratures. Alliage nickel\u2013cuivre en solution solide, elles assurent un fonctionnement propre, sans \u00e9tincelles et \u00e0 faible perm\u00e9abilit\u00e9 l\u00e0 o\u00f9 les inox peuvent piquer ou fissurer.<\/p>\n<h3>\ud83d\udd27 Sp\u00e9cifications techniques cl\u00e9s<\/h3>\n<ul>\n<li><strong>Composition<\/strong> : Ni ~63 % typ., Cu 28\u201334 %, Fe \u22642,5 %, Mn \u22642 %, Si \u22640,5 %, C \u22640,3 %<\/li>\n<li><strong>Structure<\/strong> : alliage nickel\u2013cuivre en solution solide<\/li>\n<li><strong>Duret\u00e9<\/strong> : ~70\u201390 HRB (recuit \u00e0 \u00e9croui)<\/li>\n<li><strong>R\u00e9sistance \u00e0 la traction<\/strong> : \u2248 480\u2013620 MPa (selon l\u2019\u00e9tat)<\/li>\n<li><strong>Densit\u00e9<\/strong> : ~8,8\u20138,9 g\/cm\u00b3<\/li>\n<li><strong>Corrosion<\/strong> : excellente en eau de mer, HF, milieux caustiques ; tr\u00e8s bonne r\u00e9sistance \u00e0 la fissuration par corrosion sous contrainte<\/li>\n<li><strong>Magn\u00e9tique<\/strong> : faible perm\u00e9abilit\u00e9 ; quasi non magn\u00e9tique dans de nombreuses conditions<\/li>\n<\/ul>\n<h3>\u2705 Avantages<\/h3>\n<ul>\n<li><strong>Vannes marines &amp; offshore<\/strong>, pompes, billes clapets\/si\u00e8ges<\/li>\n<li><strong>Proc\u00e9d\u00e9s chimiques<\/strong> et syst\u00e8mes de dosage<\/li>\n<li><strong>Instrumentation<\/strong> en milieux chlorur\u00e9s\/alcalins<\/li>\n<li><strong>R\u00e9sistance \u00e0 l\u2019eau de mer &amp; milieux alcalins<\/strong><\/li>\n<li><strong>T\u00e9nacit\u00e9<\/strong> sur large plage de temp\u00e9rature<\/li>\n<li><strong>Sans \u00e9tincelles, faible perm\u00e9abilit\u00e9<\/strong><\/li>\n<li><strong>Stabilit\u00e9 dimensionnelle<\/strong> pour m\u00e9canismes de pr\u00e9cision<\/li>\n<\/ul>\n<h3>\ud83d\udd04 Applications des Billes en Monel<\/h3>\n<ul>\n<li><strong>Vannes marines &amp; offshore<\/strong>, pompes, billes clapets\/si\u00e8ges<\/li>\n<li><strong>Proc\u00e9d\u00e9s chimiques<\/strong> et syst\u00e8mes de dosage<\/li>\n<li><strong>Instrumentation<\/strong> en milieux chlorur\u00e9s\/alcalins<\/li>\n<li><strong>Quincaillerie marine &amp; vannes<\/strong><\/li>\n<li><strong>Chimie &amp; p\u00e9trochimie<\/strong> : pompes, compteurs, billes clapets<\/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<p><strong>Monel\u00ae<\/strong> est une marque d\u00e9pos\u00e9e de Special Metals Corporation et d\u00e9signe des alliages principalement nickel\u2013cuivre, r\u00e9put\u00e9s pour leur excellente r\u00e9sistance \u00e0 la corrosion, notamment en milieu marin <!--EndFragment --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udee0\ufe0f Billes Monel (alliage K-500) \u2013 r\u00e9sistance par durcissement structural et immunit\u00e9 \u00e0 l\u2019eau de mer Les Billes en Monel (UNS N05500) associent l\u2019excellente r\u00e9sistance \u00e0 la corrosion en eau de mer et chimique du Monel 400 \u00e0 une r\u00e9sistance\/duret\u00e9 nettement sup\u00e9rieures via le durcissement par pr\u00e9cipitation (Al\/Ti). Elles offrent un fonctionnement fiable, sans \u00e9tincelles [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8724,"parent":1991,"menu_order":5,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2001","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 Monel \u2013 Alliage nickel-cuivre, r\u00e9sistance et pr\u00e9cision<\/title>\n<meta name=\"description\" content=\"Billes en Monel : alliage nickel-cuivre, anticorrosion marine et acides, id\u00e9ales pour pompes, vannes, roulements et usages industriels.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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