{"id":56419,"date":"2026-01-08T05:51:16","date_gmt":"2026-01-08T05:51:16","guid":{"rendered":"https:\/\/www.kaysuns.com\/?p=56419"},"modified":"2026-01-28T03:26:47","modified_gmt":"2026-01-28T03:26:47","slug":"inconel-625-vs-718","status":"publish","type":"post","link":"https:\/\/www.kaysuns.com\/fr\/inconel-625-vs-718\/","title":{"rendered":"Inconel 625 vs 718 : Diff\u00e9rences de propri\u00e9t\u00e9s, de r\u00e9sistance, d'applications"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"56419\" class=\"elementor elementor-56419\" data-elementor-post-type=\"post\">\n\t\t\t\t<div class=\"elementor-element elementor-element-74107eb e-flex e-con-boxed e-con e-parent\" data-id=\"74107eb\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-09ab0e8 elementor-widget elementor-widget-text-editor\" data-id=\"09ab0e8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Inconel 625 VS 718 sont deux superalliages \u00e0 base de nickel largement utilis\u00e9s. Bien qu'ils aient en commun d'excellentes performances \u00e0 haute temp\u00e9rature et une bonne r\u00e9sistance \u00e0 la corrosion, ils sont con\u00e7us pour des applications techniques diff\u00e9rentes.<br \/>L'alliage 625 est ax\u00e9 sur la r\u00e9sistance \u00e0 la corrosion et la fabricabilit\u00e9, tandis que l'alliage 718 est optimis\u00e9 pour une r\u00e9sistance m\u00e9canique extr\u00eamement \u00e9lev\u00e9e.<br \/>Si votre application n\u00e9cessite une r\u00e9sistance maximale \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es, l'Inconel 718 est g\u00e9n\u00e9ralement le meilleur choix.<br \/>Si votre projet n\u00e9cessite une excellente r\u00e9sistance \u00e0 la corrosion et un soudage plus facile, l'Inconel 625 est souvent pr\u00e9f\u00e9r\u00e9.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5705445 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5705445\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c922372\" data-id=\"c922372\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1a3ce90 elementor-widget elementor-widget-heading\" data-id=\"1a3ce90\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Comment choisir entre l'Inconel 625 et l'Inconel 718 ?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-bd60a37 e-flex e-con-boxed e-con e-parent\" data-id=\"bd60a37\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-f70179d e-con-full e-flex e-con e-child\" data-id=\"f70179d\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-b15803f elementor-widget elementor-widget-text-editor\" data-id=\"b15803f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4666\" data-end=\"4692\">Choisir <strong data-start=\"4673\" data-end=\"4688\">Inconel 625<\/strong> si :<\/p><ul><li data-start=\"4697\" data-end=\"4731\">La r\u00e9sistance \u00e0 la corrosion est essentielle<\/li><li data-start=\"4736\" data-end=\"4792\">L'environnement comprend de l'eau de mer, des acides ou des produits chimiques.<\/li><li data-start=\"4797\" data-end=\"4836\">Le soudage et la fabrication sont importants<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-92584b5 e-con-full e-flex e-con e-child\" data-id=\"92584b5\" data-element_type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-7460ea3 elementor-widget elementor-widget-text-editor\" data-id=\"7460ea3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4840\" data-end=\"4866\">Choisir <strong data-start=\"4847\" data-end=\"4862\">Inconel 718<\/strong> si :<\/p><ul><li data-start=\"4871\" data-end=\"4914\">Une r\u00e9sistance m\u00e9canique tr\u00e8s \u00e9lev\u00e9e est requise<\/li><li data-start=\"4919\" data-end=\"4958\">Le composant est soumis \u00e0 de fortes contraintes<\/li><li data-start=\"4963\" data-end=\"5013\">Applications a\u00e9rospatiales ou \u00e0 forte charge<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7be6d70 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7be6d70\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-24f421f\" data-id=\"24f421f\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-82a981b elementor-widget elementor-widget-heading\" data-id=\"82a981b\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Inconel 625 VS 718 : diff\u00e9rences chimiques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-57934fe elementor-widget elementor-widget-text-editor\" data-id=\"57934fe\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'alliage Inconel 625 (UNS N06625) tire sa r\u00e9sistance de l'ajout de molybd\u00e8ne et de niobium \u00e0 sa matrice de nickel-chrome. Il s'agit d'un alliage renforc\u00e9 par \u201csolution solide\u201d qui reste stable m\u00eame \u00e0 des temp\u00e9ratures fluctuantes.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7dd41d5 elementor-widget elementor-widget-text-editor\" data-id=\"7dd41d5\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tA l'inverse, l'Inconel 718 (UNS N07718) est un alliage \u201cdurcissable par pr\u00e9cipitation\u201d.Il contient des quantit\u00e9s importantes de fer, de niobium et de molybd\u00e8ne, ainsi que de plus petites quantit\u00e9s d'aluminium et de titane.Gr\u00e2ce \u00e0 un processus de traitement thermique sp\u00e9cifique, ces \u00e9l\u00e9ments forment des pr\u00e9cipit\u00e9s microscopiques.Ces particules bloquent les dislocations dans la structure du m\u00e9tal.Par cons\u00e9quent, l'Inconel 718 atteint une limite d'\u00e9lasticit\u00e9 et une r\u00e9sistance \u00e0 la traction beaucoup plus \u00e9lev\u00e9es que celles de l'Inconel 625.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7dfe62a elementor-widget elementor-widget-text-editor\" data-id=\"7dfe62a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>\u00c9l\u00e9ment<\/th>\n<th>Ni<\/th>\n<th>Cr<\/th>\n<th>Fe<\/th>\n<th>Nb<\/th>\n<th>Mo<\/th>\n<th>Ti<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Inconel 625<\/td>\n<td>58 Min<\/td>\n<td>20 - 23<\/td>\n<td>5 Max<\/td>\n<td>3.15 - 4.15<\/td>\n<td>8 - 10<\/td>\n<td>0,4 Max<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Inconel 718<\/td>\n<td>50 - 55<\/td>\n<td>17 - 21<\/td>\n<td>~ 17<\/td>\n<td>4.75 - 5.5<\/td>\n<td>2.8 - 3.3<\/td>\n<td>0.65 - 1.15<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1d73d23 elementor-widget elementor-widget-text-editor\" data-id=\"1d73d23\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'alliage Inconel 625 gagne en r\u00e9sistance principalement gr\u00e2ce au renforcement par dissolution solide.<br \/>\nL'alliage Inconel 718 gagne en r\u00e9sistance gr\u00e2ce au durcissement par pr\u00e9cipitation, ce qui lui conf\u00e8re des performances m\u00e9caniques nettement sup\u00e9rieures.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-344f210 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"344f210\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b4e6d73\" data-id=\"b4e6d73\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0009f30 elementor-widget elementor-widget-heading\" data-id=\"0009f30\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Inconel 625 VS 718:Propri\u00e9t\u00e9s m\u00e9caniques<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-5da9d5d elementor-widget elementor-widget-text-editor\" data-id=\"5da9d5d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Biens<\/th>\n<th>Inconel 625<\/th>\n<th>Inconel 718<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">M\u00e9thode de renforcement<\/td>\n<td>Solution solide<\/td>\n<td>Durcissement par pr\u00e9cipitation<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">R\u00e9sistance \u00e0 la traction<\/td>\n<td>~ 930 MPa<\/td>\n<td>~ 1375 MPa<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Limite d&#039;\u00e9lasticit\u00e9<\/td>\n<td>~ 517 MPa<\/td>\n<td>~ 1100 MPa<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">\u00c9longation<\/td>\n<td>~ 30%<\/td>\n<td>12 - 20%<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Duret\u00e9<\/td>\n<td>~ 220 HB<\/td>\n<td>~ 330 HB<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Temp\u00e9rature maximale de service<\/td>\n<td>Jusqu'\u00e0 980\u2103 (1796\u2109)<\/td>\n<td>Jusqu'\u00e0 700 - 750\u2103 (1292 - 1382\u2109)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">R\u00e9sistance \u00e0 la corrosion<\/td>\n<td>Excellente (surtout marine)<\/td>\n<td>Tr\u00e8s bon (moins de 625)<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Soudabilit\u00e9<\/td>\n<td>Remarquable<\/td>\n<td>Bon (n\u00e9cessite des soins)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a087363 elementor-widget elementor-widget-text-editor\" data-id=\"a087363\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'Inconel 718 offre une r\u00e9sistance \u00e0 la traction et une limite d'\u00e9lasticit\u00e9 beaucoup plus \u00e9lev\u00e9es, tandis que l'Inconel 625 offre une meilleure ductilit\u00e9 et une fabrication plus facile.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5d4ae9b elementor-section-content-middle elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5d4ae9b\" data-element_type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-no\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-2155a59\" data-id=\"2155a59\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cf41676 elementor-widget__width-initial elementor-widget elementor-widget-heading\" data-id=\"cf41676\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Ce que nous faisons<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c502a45 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"c502a45\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Plaque<\/li><li>Feuille<\/li><li>Forgeage<\/li><li>Barre ronde<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36701e7 elementor-drop-cap-yes elementor-widget__width-initial elementor-drop-cap-view-default elementor-widget elementor-widget-text-editor\" data-id=\"36701e7\" data-element_type=\"widget\" data-settings=\"{&quot;drop_cap&quot;:&quot;yes&quot;}\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Bride<\/li><li>Tuyaux<\/li><li>Raccords<\/li><li>Sur mesure<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-6c98af3\" data-id=\"6c98af3\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1d0e873 elementor-widget__width-initial elementor-widget elementor-widget-text-editor\" data-id=\"1d0e873\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Contactez-nous pour plus d'informations\u00a0<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aaa0a83 elementor-align-center elementor-mobile-align-center elementor-widget__width-initial elementor-widget elementor-widget-button\" data-id=\"aaa0a83\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm elementor-animation-grow\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\" id=\"#241018\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Nous contacter<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-593c21e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"593c21e\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9f073e6\" data-id=\"9f073e6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7593dd6 elementor-widget elementor-widget-heading\" data-id=\"7593dd6\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Inconel 625 VS 718 : R\u00e9sistance \u00e0 la corrosion et r\u00e9sistance m\u00e9canique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-54e9897 elementor-widget elementor-widget-text-editor\" data-id=\"54e9897\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li data-path-to-node=\"11,0,0\"><b data-path-to-node=\"11,0,0\" data-index-in-node=\"0\">Alliage 625 (Le sp\u00e9cialiste de la corrosion) :<br \/><\/b>Cet alliage est un v\u00e9ritable alliage r\u00e9sistant \u00e0 la corrosion.Il offre une protection sup\u00e9rieure contre les piq\u00fbres, la corrosion caverneuse et l'oxydation \u00e0 haute temp\u00e9rature.Comme il n'a pas la teneur en fer du 718, il est plus performant dans l'eau de mer et les traitements chimiques agressifs.C'est le choix par excellence pour les tuyaux \u00e0 parois minces et les raccords complexes.<\/li><li data-path-to-node=\"11,1,0\"><b data-path-to-node=\"11,1,0\" data-index-in-node=\"0\">Alliage 718 (le sp\u00e9cialiste de la r\u00e9sistance) :<br \/><\/b>Cet alliage est ax\u00e9 sur la capacit\u00e9 de charge \u00e9lev\u00e9e et conserve son incroyable r\u00e9sistance \u00e0 des temp\u00e9ratures allant jusqu'\u00e0 <span class=\"math-inline\" data-math=\"700\u00b0C\" data-index-in-node=\"140\">700\u00b0C<\/span> (<span class=\"math-inline\" data-math=\"1300\u00b0F\" data-index-in-node=\"147\">1300\u00b0F<\/span>Dans les syst\u00e8mes de tuyauterie, les ing\u00e9nieurs utilisent le 718 pour les boulons \u00e0 usage intensif, les arbres de pompe \u00e0 haute pression et les brides sp\u00e9cialis\u00e9es.Si votre syst\u00e8me est soumis \u00e0 une tension m\u00e9canique extr\u00eame, le 718 est le gagnant.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9839c05 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9839c05\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f60d109\" data-id=\"f60d109\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-0cab4ac elementor-widget elementor-widget-heading\" data-id=\"0cab4ac\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Inconel 625 VS 718:Applications<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c5a293e elementor-widget elementor-widget-heading\" data-id=\"c5a293e\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Tubes et raccords<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-afede6a elementor-widget elementor-widget-text-editor\" data-id=\"afede6a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'Inconel 625 est le mat\u00e9riau pr\u00e9f\u00e9r\u00e9 pour <a href=\"https:\/\/www.kaysuns.com\/fr\/tuyaux-en-acier-inoxydable\/\" target=\"_blank\" rel=\"noopener\">tuyaux en acier inoxydable<\/a> En outre, sa r\u00e9sistance \u00e0 la fissuration sous contrainte due au soufre en fait le meilleur choix pour le transport des fluides p\u00e9troliers et gaziers contenant du soufre.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-05bb2ca elementor-widget elementor-widget-heading\" data-id=\"05bb2ca\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h3 class=\"elementor-heading-title elementor-size-default\">Brides et boulons<\/h3>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c90dd25 elementor-widget elementor-widget-text-editor\" data-id=\"c90dd25\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPour les raccords de brides, l'alliage Inconel 718 occupe souvent une position de leader.Les brides \u00e0 haute pression n\u00e9cessitent des fixations capables de maintenir les joints sous une immense tension.Gr\u00e2ce \u00e0 sa limite d'\u00e9lasticit\u00e9 plus \u00e9lev\u00e9e, le 718 emp\u00eache les boulons de subir une d\u00e9formation par traction au fil du temps.Les joints de brides restent \u00e9tanches, m\u00eame pendant les cycles thermiques.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-458baae elementor-widget elementor-widget-text-editor\" data-id=\"458baae\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<table>\n<tbody>\n<tr bgcolor=\"#00a0e9\">\n<th>Application<\/th>\n<th>Alliage recommand\u00e9<\/th>\n<th>Raison<\/th>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">\u00c9quipements marins<\/td>\n<td rowspan=\"4\">Inconel 625<\/td>\n<td>R\u00e9sistance sup\u00e9rieure \u00e0 la corrosion par l'eau de mer<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Traitement chimique<\/td>\n<td>Manipulation d'acides et de produits chimiques agressifs<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Plateformes offshore<\/td>\n<td>Excellente r\u00e9sistance \u00e0 la corrosion et \u00e0 la fatigue<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Structures soud\u00e9es<\/td>\n<td>Soudage plus facile, risque de fissuration r\u00e9duit<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Composants de turbines a\u00e9rospatiales<\/td>\n<td rowspan=\"2\">Inconel 718<\/td>\n<td>Tr\u00e8s grande r\u00e9sistance \u00e0 haute temp\u00e9rature<\/td>\n<\/tr>\n<tr>\n<td bgcolor=\"#05B8E4\">Fixations \u00e0 haute r\u00e9sistance<\/td>\n<td>Limite d'\u00e9lasticit\u00e9 beaucoup plus \u00e9lev\u00e9e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fe5e107 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"fe5e107\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ed87c76\" data-id=\"ed87c76\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ebccbff elementor-widget elementor-widget-heading\" data-id=\"ebccbff\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Consid\u00e9rations relatives au soudage et \u00e0 la fabrication<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b490336 elementor-widget elementor-widget-text-editor\" data-id=\"b490336\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tGr\u00e2ce \u00e0 ses propri\u00e9t\u00e9s de renforcement par mise en solution, l'alliage Inconel 625 est plus facile \u00e0 souder et \u00e0 usiner, conservant des performances stables sans n\u00e9cessiter de traitement thermique post-soudure complexe (PWHT).\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2068ab4 elementor-widget elementor-widget-text-editor\" data-id=\"2068ab4\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'inconel 718 est \u00e9galement soudable mais plus sensible.En tant qu'alliage durcissant par pr\u00e9cipitation,la chaleur g\u00e9n\u00e9r\u00e9e pendant le soudage ramollit la zone environnante du joint,ce qui n\u00e9cessite un contr\u00f4le plus strict du processus de soudage.Pour restaurer la pleine r\u00e9sistance d'un joint 718,un traitement thermique de \u201cdurcissement par vieillissement\u201d doit \u00eatre effectu\u00e9 apr\u00e8s la fabrication.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-9fcd3df e-flex e-con-boxed e-con e-parent\" data-id=\"9fcd3df\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-61095c1 elementor-cta--layout-image-right elementor-cta--mobile-layout-image-above elementor-cta--skin-classic elementor-animated-content elementor-widget elementor-widget-call-to-action\" data-id=\"61095c1\" data-element_type=\"widget\" data-widget_type=\"call-to-action.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<a class=\"elementor-cta\" href=\"#elementor-action%3Aaction%3Dpopup%3Aopen%26settings%3DeyJpZCI6IjQ2ODEzIiwidG9nZ2xlIjpmYWxzZX0%3D\" target=\"_blank\">\n\t\t\t\t\t<div class=\"elementor-cta__bg-wrapper\">\n\t\t\t\t<div class=\"elementor-cta__bg elementor-bg\" style=\"background-image: url(https:\/\/www.kaysuns.com\/wp-content\/uploads\/2026\/01\/Inconel-625-And-718-Flange-N06625-WNRF-6-150LBS-SCH40S-scaled.webp);\" role=\"img\" aria-label=\"Inconel 625 et 718 - Bride N06625-WNRF-6-150LBS-SCH40S\"><\/div>\n\t\t\t\t<div class=\"elementor-cta__bg-overlay\"><\/div>\n\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-cta__content\">\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<h2 class=\"elementor-cta__title elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tN'h\u00e9sitez pas \u00e0 nous contacter\t\t\t\t\t<\/h2>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__description elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t\tKAYSUNS propose des solutions globales pour les mat\u00e9riaux de tuyauterie tels que les tuyaux, les raccords, les brides, les vannes, les plaques, les pi\u00e8ces forg\u00e9es, les lingots d'acier inoxydable, d'acier duplex et d'acier alli\u00e9, toutes sortes d'\u00e9l\u00e9ments de fixation (boulons, \u00e9crous, rondelles plates, rondelles bomb\u00e9es) et d'autres produits. Nous acceptons un service personnalis\u00e9 pour nos produits et certains d'entre eux peuvent \u00eatre fournis en petites quantit\u00e9s. Si vous avez des questions sur notre soci\u00e9t\u00e9 et nos produits, n'h\u00e9sitez pas \u00e0 nous contacter.\t\t\t\t\t<\/div>\n\t\t\t\t\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-cta__button-wrapper elementor-cta__content-item elementor-content-item\">\n\t\t\t\t\t<span class=\"elementor-cta__button elementor-button elementor-size-\">\n\t\t\t\t\t\tObtenir un devis\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cba0c74 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cba0c74\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3ed1408\" data-id=\"3ed1408\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ef81ec3 elementor-widget elementor-widget-heading\" data-id=\"ef81ec3\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Diff\u00e9rence de co\u00fbt entre l'Inconel 625 et 718<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6cf7145 elementor-widget elementor-widget-text-editor\" data-id=\"6cf7145\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p data-start=\"4237\" data-end=\"4318\">En g\u00e9n\u00e9ral,<strong data-start=\"4249\" data-end=\"4299\">L'Inconel 718 est plus cher que l'Inconel 625<\/strong>.<br data-start=\"4300\" data-end=\"4303\" \/>Cela s'explique par :<\/p><ul><li data-start=\"4321\" data-end=\"4350\">Meilleure performance en mati\u00e8re de r\u00e9sistance<\/li><li data-start=\"4353\" data-end=\"4390\">Processus de traitement thermique plus complexe<\/li><li data-start=\"4393\" data-end=\"4453\">Demande accrue dans les secteurs de l'a\u00e9rospatiale et des hautes performances<\/li><\/ul><p data-start=\"4455\" data-end=\"4567\">Toutefois, le co\u00fbt final d\u00e9pend toujours de la forme, de la taille, des conditions du march\u00e9 et des exigences du cahier des charges.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8d9fc3c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8d9fc3c\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-07630bc\" data-id=\"07630bc\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2e7af94 elementor-widget elementor-widget-heading\" data-id=\"2e7af94\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">M\u00e9canismes m\u00e9tallurgiques \u00e0 l'origine des diff\u00e9rences<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0e97e24 elementor-widget elementor-widget-text-editor\" data-id=\"0e97e24\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tBien que l'Inconel 625 et l'Inconel 718 soient tous deux des superalliages \u00e0 base de nickel, leurs diff\u00e9rences de performance proviennent de m\u00e9canismes de renforcement fondamentalement diff\u00e9rents.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3e4dd16 elementor-widget elementor-widget-text-editor\" data-id=\"3e4dd16\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'Inconel 625 est principalement renforc\u00e9 par une solution solide, avec des niveaux \u00e9lev\u00e9s de molybd\u00e8ne (Mo) et de niobium (Nb) dissous dans la matrice de nickel, ce qui lui conf\u00e8re une excellente r\u00e9sistance aux piq\u00fbres, \u00e0 la corrosion caverneuse et \u00e0 la fissuration par corrosion sous contrainte au chlorure, en particulier dans les environnements marins et chimiques.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e1d73ba elementor-widget elementor-widget-text-editor\" data-id=\"e1d73ba\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tEn revanche, l'Inconel 718 repose sur le durcissement par pr\u00e9cipitation, o\u00f9 un traitement thermique contr\u00f4l\u00e9 forme des phases \u03b3\u2032 (gamma prime) et \u03b3\u2033 (gamma double prime).Ces pr\u00e9cipit\u00e9s augmentent consid\u00e9rablement la limite d'\u00e9lasticit\u00e9 et la r\u00e9sistance au fluage \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es,ce qui explique pourquoi l'Inconel 718 est largement utilis\u00e9 dans l'a\u00e9rospatiale et les composants de turbines.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-a55cb1d elementor-widget elementor-widget-text-editor\" data-id=\"a55cb1d\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tCette diff\u00e9rence m\u00e9tallurgique explique pourquoi le 625 est g\u00e9n\u00e9ralement pr\u00e9f\u00e9r\u00e9 pour les environnements critiques en termes de corrosion, alors que le 718 domine dans les applications \u00e0 haute temp\u00e9rature supportant des charges.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-56f6246 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"56f6246\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-af9851e\" data-id=\"af9851e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6bc1872 elementor-widget elementor-widget-heading\" data-id=\"6bc1872\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Dur\u00e9e de vie \u00e0 la fatigue et performance au fluage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-279207c elementor-widget elementor-widget-text-editor\" data-id=\"279207c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>L'Inconel 718 pr\u00e9sente une r\u00e9sistance \u00e0 la fatigue exceptionnelle, supportant des millions de cycles de pression sans microfissuration. Il convient aux collecteurs complexes des r\u00e9seaux de tuyauterie et aux bo\u00eetiers de pompes soumis \u00e0 de fortes vibrations.<\/p><p>Bien que l'Inconel 625 soit r\u00e9sistant, il est plus sensible \u00e0 la d\u00e9formation progressive (fluage) apr\u00e8s des milliers d'heures \u00e0 sa limite de temp\u00e9rature sup\u00e9rieure. Pour les composants soumis \u00e0 des charges dynamiques, le 718 reste le choix standard de l'industrie.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-649a3fa elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"649a3fa\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3518bd0\" data-id=\"3518bd0\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5bbc641 elementor-widget elementor-widget-heading\" data-id=\"5bbc641\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Performance \u00e0 haute temp\u00e9rature et r\u00e9sistance au fluage<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-288e7a8 elementor-widget elementor-widget-text-editor\" data-id=\"288e7a8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tLorsqu'ils sont soumis \u00e0 des charges soutenues et \u00e0 des temp\u00e9ratures \u00e9lev\u00e9es, les propri\u00e9t\u00e9s \u00e0 long terme telles que la r\u00e9sistance au fluage et la dur\u00e9e de vie en cas de rupture sous contrainte deviennent critiques.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-ff4213b elementor-widget elementor-widget-text-editor\" data-id=\"ff4213b\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'Inconel 718 pr\u00e9sente une r\u00e9sistance sup\u00e9rieure au fluage jusqu'\u00e0 environ 700\u00b0C (1290\u00b0F) apr\u00e8s un traitement thermique appropri\u00e9 de mise en solution et de vieillissement. Sa structure renforc\u00e9e par pr\u00e9cipitation reste stable pendant un service prolong\u00e9, ce qui le rend id\u00e9al pour les disques de turbine, les fixations \u00e0 haute r\u00e9sistance et les composants structurels de l'a\u00e9rospatiale.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-3c59ec1 elementor-widget elementor-widget-text-editor\" data-id=\"3c59ec1\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tL'Inconel 625, bien que r\u00e9sistant \u00e0 des temp\u00e9ratures mod\u00e9r\u00e9es, est plus souvent choisi pour des applications o\u00f9 la r\u00e9sistance \u00e0 la corrosion l'emporte sur la r\u00e9sistance m\u00e9canique extr\u00eame, telles que les \u00e9quipements de traitement chimique, les syst\u00e8mes de tuyauterie offshore et les syst\u00e8mes d'alimentation en eau potable. <a href=\"https:\/\/www.kaysuns.com\/fr\/tube-de-lechangeur-de-chaleur-2\/\" target=\"_blank\" rel=\"noopener\">tube d'\u00e9changeur de chaleur<\/a>.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-0b7f719 elementor-widget elementor-widget-text-editor\" data-id=\"0b7f719\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\tPar exemple, dans les projets p\u00e9troliers et gaziers offshore, les ing\u00e9nieurs sp\u00e9cifient souvent les \u00e9l\u00e9ments suivants <a href=\"https:\/\/www.kaysuns.com\/fr\/tube-en-inconel-625\/\" target=\"_blank\" rel=\"noopener\">tube en inconel 625<\/a> pour les conduites sous-marines et les tuyauteries expos\u00e9es \u00e0 la corrosion en raison de sa r\u00e9sistance exceptionnelle \u00e0 l'eau de mer et aux environnements acides.<br data-start=\"2223\" data-end=\"2226\" \/>Inversement,<a href=\"https:\/\/www.kaysuns.com\/fr\/blog\/tube-en-alliage-718\/\" target=\"_blank\" rel=\"noopener\">tube en inconel 718<\/a> est fr\u00e9quemment utilis\u00e9 dans les conduites hydrauliques de l'a\u00e9rospatiale et les syst\u00e8mes \u00e0 haute pression o\u00f9 la r\u00e9sistance m\u00e9canique est la principale exigence.\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-98dffd5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"98dffd5\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-b98e0fb\" data-id=\"b98e0fb\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-77f32aa elementor-widget elementor-widget-heading\" data-id=\"77f32aa\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">Inconel 625 VS 718 : Protocoles de traitement thermique<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-c0e7601 elementor-widget elementor-widget-text-editor\" data-id=\"c0e7601\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<ul><li>Alliage Inconel 625 :<br \/>Ce processus r\u00e9tablit la couche de passivation protectrice et pr\u00e9pare le mat\u00e9riau \u00e0 l'utilisation, ce qui repr\u00e9sente une proc\u00e9dure relativement rapide et simple.<br \/>L'Inconel 625 est g\u00e9n\u00e9ralement fourni \u00e0 l'\u00e9tat recuit et ne n\u00e9cessite pas de traitement thermique complexe pour obtenir ses propri\u00e9t\u00e9s. Il est donc plus facile \u00e0 fabriquer, \u00e0 souder et \u00e0 former, avec un risque minimal de fissuration apr\u00e8s soudage.<\/li><li>Alliage Inconel 718 :<br \/>Ce processus consiste \u00e0 chauffer le m\u00e9tal et \u00e0 le maintenir \u00e0 des temp\u00e9ratures sp\u00e9cifiques pendant plusieurs heures. Ce contr\u00f4le pr\u00e9cis facilite la formation de pr\u00e9cipit\u00e9s qui conf\u00e8rent sa r\u00e9sistance \u00e0 l'alliage. En raison de la dur\u00e9e prolong\u00e9e de ce processus, les d\u00e9lais de livraison des tubes 718 sont g\u00e9n\u00e9ralement plus longs.<br \/>L'Inconel 718 n\u00e9cessite un cycle de traitement thermique strict (mise en solution suivie d'un double vieillissement) pour d\u00e9velopper toute sa r\u00e9sistance m\u00e9canique. Un traitement inad\u00e9quat peut r\u00e9duire consid\u00e9rablement les performances, c'est pourquoi il est essentiel d'effectuer un contr\u00f4le de qualit\u00e9 rigoureux pendant la production.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<div class=\"elementor-element elementor-element-22d82db e-flex e-con-boxed e-con e-parent\" data-id=\"22d82db\" data-element_type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ce3f28d elementor-widget elementor-widget-heading\" data-id=\"ce3f28d\" data-element_type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\">FAQ sur l'Inconel 625 et 718<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bcca6d elementor-widget elementor-widget-accordion\" data-id=\"6bcca6d\" data-element_type=\"widget\" data-widget_type=\"accordion.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion\">\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1131\" class=\"elementor-tab-title\" data-tab=\"1\" role=\"button\" aria-controls=\"elementor-tab-content-1131\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">L'Inconel 625 est-il plus r\u00e9sistant que l'Inconel 718 ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1131\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"1\" role=\"region\" aria-labelledby=\"elementor-tab-title-1131\"><p><strong>Non.<\/strong>L'Inconel 718 a une limite d'\u00e9lasticit\u00e9 et une r\u00e9sistance \u00e0 la traction nettement plus \u00e9lev\u00e9es apr\u00e8s traitement thermique. L'Inconel 625 se concentre davantage sur la r\u00e9sistance \u00e0 la corrosion que sur la r\u00e9sistance extr\u00eame.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1132\" class=\"elementor-tab-title\" data-tab=\"2\" role=\"button\" aria-controls=\"elementor-tab-content-1132\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Quelle est la meilleure solution pour les syst\u00e8mes de tuyauterie ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1132\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"2\" role=\"region\" aria-labelledby=\"elementor-tab-title-1132\"><p>Pour les environnements corrosifs tels que l'offshore, les usines chimiques et l'exposition \u00e0 l'eau de mer, les tuyaux en inconel 625 sont souvent pr\u00e9f\u00e9r\u00e9s.<br \/>Pour les syst\u00e8mes \u00e0 haute pression et \u00e0 forte charge o\u00f9 la r\u00e9sistance est critique, le tube en inconel 718 peut \u00eatre plus appropri\u00e9.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1133\" class=\"elementor-tab-title\" data-tab=\"3\" role=\"button\" aria-controls=\"elementor-tab-content-1133\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">L'Inconel 718 est-il plus difficile \u00e0 usiner ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1133\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"3\" role=\"region\" aria-labelledby=\"elementor-tab-title-1133\"><p data-path-to-node=\"7,2,0\"><strong>Oui.<\/strong>En raison de sa r\u00e9sistance plus \u00e9lev\u00e9e et de sa tendance \u00e0 l'\u00e9crouissage, l'Inconel 718 est g\u00e9n\u00e9ralement plus difficile \u00e0 usiner que l'Inconel 625 et n\u00e9cessite un outillage et des param\u00e8tres plus contr\u00f4l\u00e9s.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1134\" class=\"elementor-tab-title\" data-tab=\"4\" role=\"button\" aria-controls=\"elementor-tab-content-1134\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">L'Inconel 625 peut-il remplacer l'Inconel 718 ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1134\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"4\" role=\"region\" aria-labelledby=\"elementor-tab-title-1134\"><p>Seulement <strong>lorsque la force n'est pas essentielle<\/strong>.Pour les composants porteurs ou soumis \u00e0 de fortes contraintes, l'Inconel 718 est g\u00e9n\u00e9ralement requis.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-accordion-item\">\n\t\t\t\t\t<div id=\"elementor-tab-title-1135\" class=\"elementor-tab-title\" data-tab=\"5\" role=\"button\" aria-controls=\"elementor-tab-content-1135\" aria-expanded=\"false\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon elementor-accordion-icon-left\" aria-hidden=\"true\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-closed\"><i class=\"fas fa-plus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t<span class=\"elementor-accordion-icon-opened\"><i class=\"fas fa-minus\"><\/i><\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t<a class=\"elementor-accordion-title\" tabindex=\"0\">Quel alliage est le plus cher ?<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div id=\"elementor-tab-content-1135\" class=\"elementor-tab-content elementor-clearfix\" data-tab=\"5\" role=\"region\" aria-labelledby=\"elementor-tab-title-1135\"><p>L'Inconel 718 est g\u00e9n\u00e9ralement plus cher en raison de sa r\u00e9sistance plus \u00e9lev\u00e9e et de son traitement plus complexe.<\/p><\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-1a36b7b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"1a36b7b\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-24450d8\" data-id=\"24450d8\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f38d8f9 elementor-widget elementor-widget-heading\" data-id=\"f38d8f9\" data-element_type=\"widget\" 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sales@kaysuns.com.\t\t\t\t\t\t\t<\/label>\n\t\t\t\t\t\t\t\t<input type=\"file\" name=\"form_fields[field_e16bef1][]\" id=\"form-field-field_e16bef1\" class=\"elementor-field elementor-size-sm  elementor-upload-field\" multiple=\"multiple\" data-maxsize=\"50\" data-maxsize-message=\"This file exceeds the maximum allowed size.\">\n\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-type-recaptcha_v3 elementor-field-group elementor-column elementor-field-group-field_1051df5 elementor-col-100 recaptcha_v3-bottomright\">\n\t\t\t\t\t<div class=\"elementor-field\" id=\"form-field-field_1051df5\"><div class=\"elementor-g-recaptcha\" data-sitekey=\"6LdwwZUbAAAAAK75C0Nw7twMoqOmGrEq3AAkFLOy\" data-type=\"v3\" data-action=\"Form\" data-badge=\"bottomright\" data-size=\"invisible\"><\/div><\/div>\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<div class=\"elementor-field-group elementor-column elementor-field-type-submit elementor-col-100 e-form__buttons\">\n\t\t\t\t\t<button class=\"elementor-button elementor-size-sm\" type=\"submit\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Envoyer<\/span>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/button>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>La principale diff\u00e9rence entre l'Inconel 625 et l'Inconel 718 r\u00e9side dans le fait que le 625 offre une r\u00e9sistance sup\u00e9rieure \u00e0 la corrosion, tandis que le 718 offre une r\u00e9sistance et une duret\u00e9 plus \u00e9lev\u00e9es, ce qui se traduit par des domaines d'application distincts.<\/p>","protected":false},"author":1,"featured_media":56453,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","neve_meta_reading_time":"","_ti_tpc_template_sync":false,"_ti_tpc_template_id":"","footnotes":""},"categories":[316,186],"tags":[],"class_list":["post-56419","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog","category-stainless-steel-knowledge"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Inconel 625 vs 718: Differences in Properties, Strength, Applications<\/title>\n<meta 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