{"id":3284,"date":"2021-03-24T01:49:41","date_gmt":"2021-03-24T00:49:41","guid":{"rendered":"https:\/\/www.teamedelstahl.de\/?page_id=3284"},"modified":"2024-01-07T16:01:44","modified_gmt":"2024-01-07T15:01:44","slug":"2-4952","status":"publish","type":"page","link":"https:\/\/www.teamedelstahl.de\/fr\/werkstoffe\/2-4952\/","title":{"rendered":"2.4952"},"content":{"rendered":"<div class=\"ast-breadcrumbs-wrapper\">\n\t\t\t<div class=\"ast-breadcrumbs-inner\"><nav role=\"navigation\" aria-label=\"Breadcrumbs\" class=\"breadcrumb-trail breadcrumbs\" ><div class=\"ast-breadcrumbs\"><ul class=\"trail-items\" ><li  class=\"trail-item trail-end\"><span><a href=\"https:\/\/www.teamedelstahl.de\/fr\/\" rel=\"home\"><span >Accueil<\/span><\/a><\/span><\/li><\/ul><\/div><\/nav><\/div>\n\t\t<\/div>\n<h1>\n\t\tFiche technique Mat\u00e9riau 2.4952 \/ Alloy 80A\n\t<\/h1>\n\t<p>NiCr20TiAl<\/p>\n\t<p>Alliage nickel-chrome<\/p>\n<h2>\n\t\tBr\u00e8ve description\n\t<\/h2>\n\t<p>Le mat\u00e9riau 2.4952 ou alliage 80A est un alliage nickel-chrome durcissable par pr\u00e9cipitation pr\u00e9sentant une tr\u00e8s bonne r\u00e9sistance \u00e0 la corrosion en atmosph\u00e8re oxydante, une bonne r\u00e9sistance \u00e0 la calamine \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es et une r\u00e9sistance \u00e9lev\u00e9e \u00e0 la fatigue, m\u00eame dans des conditions extr\u00eames. Ce mat\u00e9riau peut \u00eatre livr\u00e9 aussi bien \u00e0 l'\u00e9tat durci qu'\u00e0 l'\u00e9tat recuit de mise en solution.<\/p>\n<h2>\n\t\tNormes et d\u00e9signations\n\t<\/h2>\n<h2>\n\t\tComposition chimique selon DIN 17742 et ASTM B 637\n\t<\/h2>\n<h2>\n\t\tCaract\u00e9ristiques g\u00e9n\u00e9rales\n\t<\/h2>\n\t\t\t\t<table>\n\t\t\t\t\t<thead>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th rowspan=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t R\u00e9sistance \u00e0 la corrosion \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<th rowspan=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<label>\n\t\t\t\t\t\t\t\t\t\t<\/label><label> excellent <\/label>\n\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/th>\n\t\t\t\t\t\t\t\t\t\t\t<\/thead>\n\t\t\t\t\t<tbody>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t Propri\u00e9t\u00e9s m\u00e9caniques \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t bien \n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t<\/tr><\/tbody>\n\t\t\t\t<\/table>\n\t<h2>\n\t\tCaract\u00e9ristiques particuli\u00e8res\n\t<\/h2>\n\tExcellente r\u00e9sistance au fluage \u00e0 des temp\u00e9ratures d'utilisation allant jusqu'\u00e0 815\u00b0C<br \/>\nr\u00e9sistance \u00e0 la calamine jusqu'\u00e0 1000\u00b0C<br \/>\nTr\u00e8s bonne r\u00e9sistance \u00e0 la corrosion en atmosph\u00e8re oxydante<br \/>\nHaute r\u00e9sistance \u00e0 la fatigue, m\u00eame dans des conditions extr\u00eames\n<h2>\n\t\tR\u00e9sistance \u00e0 la corrosion\n\t<\/h2>\n\t<p>Le mat\u00e9riau 2.4952 est particuli\u00e8rement r\u00e9sistant \u00e0 l'oxydation dans des conditions de temp\u00e9ratures variables et poss\u00e8de une r\u00e9sistance \u00e0 la calamine jusqu'\u00e0 1000\u00b0C environ. En outre, ce mat\u00e9riau se caract\u00e9rise par une excellente r\u00e9sistance au fluage jusqu'\u00e0 815\u00b0C ainsi que par une r\u00e9sistance \u00e9lev\u00e9e \u00e0 la fatigue. Les param\u00e8tres de l'alliage 80A en termes de r\u00e9sistance \u00e0 la corrosion et de propri\u00e9t\u00e9s m\u00e9caniques peuvent \u00eatre optimis\u00e9s dans une large gamme par un traitement thermique cibl\u00e9.<\/p>\n<h2>\n\t\tPropri\u00e9t\u00e9s m\u00e9caniques <br \/>\u00e0 20\u00b0C\n\t<\/h2>\n\tLimite d'\u00e9lasticit\u00e9<br \/>\nRp<sub>0,2<\/sub><br \/>\nN \/ mm\u00b2\n\t<p>\u2265 600<\/p>\n\tR\u00e9sistance \u00e0 la traction<br \/>\nR<sub>m<\/sub><br \/>\nN \/ mm\u00b2\n\t<p>\u2265 930<\/p>\n\tAllongement<br \/>\nA5,65\n\t<p>\u2265 20%<\/p>\n\tModule d'\u00e9lasticit\u00e9<br \/>\nkN \/ mm\u00b2\n\t<p>216<\/p>\n<h2>\n\t\tUsinabilit\u00e9\n\t<\/h2>\n\tL'usinage de l'alliage 80A \u00e0 l'\u00e9tat recuit de mise en solution offre de meilleures propri\u00e9t\u00e9s d'usinage et une usure moindre des outils, tandis que l'usinage \u00e0 l'\u00e9tat durci fournit une meilleure qualit\u00e9 de surface.<br \/>\nPar rapport aux aciers aust\u00e9nitiques faiblement alli\u00e9s, le mat\u00e9riau 2.4952 a tendance \u00e0 s'\u00e9crouler davantage. Il convient donc de choisir une vitesse de coupe et une avance faibles. L'outil doit \u00eatre en permanence en prise. Pour que la zone \u00e9crouie cr\u00e9\u00e9e pr\u00e9c\u00e9demment puisse \u00eatre entam\u00e9e, il convient de choisir une profondeur de copeau suffisante. Afin d'assurer un processus d'usinage stable, une \u00e9vacuation optimale de la chaleur devrait \u00eatre assur\u00e9e par l'utilisation de grandes quantit\u00e9s de lubrifiants r\u00e9frig\u00e9rants appropri\u00e9s et contenant de l'eau.\n<h2>\n\t\tFormage \u00e0 froid\n\t<\/h2>\n\t<p>Le formage \u00e0 froid doit \u00eatre effectu\u00e9 \u00e0 l'\u00e9tat recuit de mise en solution. Le mat\u00e9riau 2.4952 pr\u00e9sente un \u00e9crouissage nettement plus important que la plupart des aciers inoxydables aust\u00e9nitiques. En cas d'\u00e9crouissage important, il convient d'effectuer des recuits interm\u00e9diaires \u00e0 1040\u00b0C suivis d'un refroidissement rapide.<\/p>\n<h2>\n\t\tTraitement thermique\n\t<\/h2>\n<h2>\n\t\tPropri\u00e9t\u00e9s physiques\n\t<\/h2>\n\tDensit\u00e9<br \/>\n\u00e0 20\u00b0C<br \/>\nkg\/dm\u00b3\n\t<p>8,20<\/p>\n\t\u00c9lectrique<br \/>\nR\u00e9sistance \u00e0 20\u00b0C<br \/>\n(ohm) mm\u00b2\/m\n\t<p>1,24<\/p>\n\t<br \/>\nDomaine de fusion<br \/>\n&nbsp;\n\t<p>1320 &#8211; 1370\u00b0C<\/p>\n\tConductivit\u00e9 thermique<br \/>\n\u00e0 20\u00b0C<br \/>\nW\/m K\n\t<p>11,2<\/p>\n\tSp\u00e9cifique<br \/>\nCapacit\u00e9 thermique<br \/>\n\u00e0 20\u00b0C<br \/>\nJ\/kg K\n\t<p>460<\/p>\n<h2>\n\t\tDomaines d'application\n\t<\/h2>\n\tChimie<br \/>\nTurbines \u00e0 gaz<br \/>\nConstruction navale<br \/>\nTechnique de l'environnement\n<h2>\n\t\tNotre<br \/>Gamme de produits\n\t<\/h2>\n<h2>\n\t\t<a href=\"https:\/\/www.teamedelstahl.de\/fr\/lieferprogramm\/bleche\/2-4952\/\" title=\"2.4952&lt;br&gt;T&ocirc;les\" target=\"_self\" rel=\"noopener\">\n\t\t2.4952<br \/>T\u00f4les\n\t\t<\/a>\n\t<\/h2>\n\t\t\t\t<a href=\"https:\/\/www.teamedelstahl.de\/fr\/lieferprogramm\/bleche\/2-4952\/\" target=\"_self\" itemprop=\"url\" rel=\"noopener\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.teamedelstahl.de\/wp-content\/uploads\/2020\/11\/Blech-Icon-800.jpg\" alt=\"Blech-Icon-800\" itemprop=\"image\" height=\"541\" width=\"800\" title=\"Ic\u00f4ne en t\u00f4le-800\" onerror=\"this.style.display='none'\"  \/>\n\t\t\t\t<\/a>\n\t<p><a href=\"https:\/\/www.teamedelstahl.de\/fr\/lieferprogramm\/bleche\/2-4952\/\">En savoir plus &gt;<\/a><\/p>\n<h2>\n\t\t<a href=\"https:\/\/www.teamedelstahl.de\/fr\/lieferprogramm\/stabstahl\/\" title=\"2.4952&lt;br&gt;Produits longs\" target=\"_self\" rel=\"noopener\">\n\t\t2.4952<br \/>Produits longs\n\t\t<\/a>\n\t<\/h2>\n\t\t\t\t<a href=\"https:\/\/www.teamedelstahl.de\/fr\/lieferprogramm\/stabstahl\/\" target=\"_self\" itemprop=\"url\" rel=\"noopener\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.teamedelstahl.de\/wp-content\/uploads\/2020\/11\/Stabstahl-Icon-800-4.jpg\" alt=\"Stabstahl-Icon-800\" itemprop=\"image\" height=\"541\" width=\"800\" title=\"Barre d&#039;acier Icon-800\" onerror=\"this.style.display='none'\"  \/>\n\t\t\t\t<\/a>\n\t<p><a href=\"https:\/\/www.teamedelstahl.de\/fr\/lieferprogramm\/stabstahl\/\">En savoir plus &gt;<\/a><\/p>\n<h2>\n\t\tFoire aux questions\n\t<\/h2>\n\t\t\t\t\t\t\t\t\t\t<h3 tabindex=\"0\">Quelle est la r\u00e9sistance \u00e0 la traction du mat\u00e9riau 2.4952 ?<\/h3>\n\t\t\t\t\t<p>La r\u00e9sistance \u00e0 la traction du mat\u00e9riau 2.4952 est \u2265 930 N\/mm\u00b2.<\/p>\n\t\t\t\t\t\t\t\t\t\t<h3 tabindex=\"0\">Quelle est la densit\u00e9 du mat\u00e9riau 2.4952 ?<\/h3>\n\t\t\t\t\t<p>\u00c0 20\u00b0C, la densit\u00e9 du mat\u00e9riau 2.4952 est de 8,20 kg\/dm\u00b3.<\/p>\n<h2>\n\t\tRemarque importante\n\t<\/h2>\n\t<p><strong>TEAM EDELSTAHL agit en tant qu'entreprise purement commerciale, sans collaborateurs techniques. Par cons\u00e9quent, nous ne sommes pas autoris\u00e9s \u00e0 donner des conseils sur les mat\u00e9riaux.<\/strong><\/p>\n<p>Les valeurs et indications mentionn\u00e9es ci-dessus concernant la nature et\/ou l'utilisation du mat\u00e9riau sont purement informatives. Ces indications sont bas\u00e9es sur les valeurs empiriques des fabricants et de TEAM EDELSTAHL. Toutes les indications sont sans garantie. Sous r\u00e9serve de fautes d'impression, d'erreurs et de modifications.<\/p>","protected":false},"excerpt":{"rendered":"<p>Datenblatt Werkstoff 2.4952 \/ Alloy 80A NiCr20TiAl Nickel-Chrom-Legierung Kurzbeschreibung Der Werkstoff 2.4952 oder Alloy 80A ist eine aush\u00e4rtbare Nickel-Chrom-Legierung mit sehr guter Korrosionsbest\u00e4ndigkeit in oxidierender Atmosph\u00e4re, guter Zunderbest\u00e4ndigkeit bei erh\u00f6hten Temperaturen und hoher Erm\u00fcdungsfestigkeit, auch bei extremen Bedingungen. Dieser Werkstoff kann sowohl in ausgeh\u00e4rtetem als auch in l\u00f6sungsgegl\u00fchtem Zustand geliefert werden. Normen und Bezeichnungen Chemische [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":13,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"no-sidebar","site-content-layout":"page-builder","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"disabled","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-3284","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/pages\/3284","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/comments?post=3284"}],"version-history":[{"count":9,"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/pages\/3284\/revisions"}],"predecessor-version":[{"id":4558,"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/pages\/3284\/revisions\/4558"}],"up":[{"embeddable":true,"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/pages\/13"}],"wp:attachment":[{"href":"https:\/\/www.teamedelstahl.de\/fr\/wp-json\/wp\/v2\/media?parent=3284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}