{"id":4550,"date":"2026-06-25T23:05:23","date_gmt":"2026-06-25T23:05:23","guid":{"rendered":"https:\/\/beiyutitanium.com\/grade-5-vs-grade-23-titanium\/"},"modified":"2026-08-29T15:04:38","modified_gmt":"2026-08-29T15:04:38","slug":"grade-5-vs-grade-23-titanium","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/fr\/grade-5-vs-grade-23-titanium\/","title":{"rendered":"Titane Grade 5 vs Grade 23 (Ti-6Al-4V vs Ti-6Al-4V ELI) : diff\u00e9rences et quand utiliser chaque nuance"},"content":{"rendered":"<p><a href=\"\/fr\/grade-2-vs-grade-5-titanium\/\">Grade 5<\/a> et Grade 23 sont le m\u00eame alliage Ti-6Al-4V, mais Grade 23 est la version \u00e0 tr\u00e8s faible teneur en \u00e9l\u00e9ments interstitiels (ELI), avec des limites plus strictes en oxyg\u00e8ne et en fer. Grade 5 est l\u00e9g\u00e8rement plus r\u00e9sistant (895 MPa de r\u00e9sistance \u00e0 la traction minimale contre 828 MPa pour Grade 23) et moins co\u00fbteux. Grade 23 \u00e9change cette faible quantit\u00e9 de r\u00e9sistance contre une t\u00e9nacit\u00e9 \u00e0 la rupture nettement sup\u00e9rieure, une meilleure dur\u00e9e de vie en fatigue et une meilleure ductilit\u00e9 \u00e0 basse temp\u00e9rature. Utilisez Grade 5 pour les pi\u00e8ces structurelles et usin\u00e9es g\u00e9n\u00e9rales \u00e0 haute r\u00e9sistance. Utilisez Grade 23 (ELI) lorsque la pi\u00e8ce est critique \u00e0 la rupture, soumise \u00e0 la fatigue, utilis\u00e9e \u00e0 basse temp\u00e9rature ou constitue un implant chirurgical selon ASTM F136.<\/p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/08\/titanium-bar-grade-size-heat-number-marking.jpg\" alt=\"Titanium Grade 23 ELI bar marked with grade, annealed condition and size, with the heat number masked\" loading=\"lazy\"\/><\/figure>\n<p>Beiyu Titanium fournit Grade 5 (UNS R56400) selon ASTM B348 et AMS 4928, ainsi que Grade 23 selon ASTM B348 sous UNS R56407 ou selon ASTM F136 sous UNS R56401 pour les mat\u00e9riaux destin\u00e9s aux implants chirurgicaux. Indiquez le document de contr\u00f4le requis, les r\u00e9sultats rapport\u00e9s et les champs de tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e dans la demande de prix et la commande; Beiyu confirme le p\u00e9rim\u00e8tre documentaire convenu dans l\u2019offre.<\/p>\n<p>Sp\u00e9cifier la mauvaise nuance parmi ces deux entra\u00eene des co\u00fbts dans les deux cas. Sursp\u00e9cifiez Grade 23 ELI pour une pi\u00e8ce qui ne n\u00e9cessitait que Grade 5, et vous payez le co\u00fbt ELI plus \u00e9lev\u00e9 pour une t\u00e9nacit\u00e9 \u00e0 la rupture que la conception n'utilise jamais. Sous-sp\u00e9cifiez Grade 5 pour une pi\u00e8ce critique en fatigue ou \u00e0 la rupture, et vous \u00e9conomisez un peu sur le mat\u00e9riau tout en risquant une d\u00e9faillance initi\u00e9e par une fissure. L'objectif de cette comparaison est de vous orienter vers la version dont la pi\u00e8ce a r\u00e9ellement besoin.<\/p>\n<h2>Il s'agit du m\u00eame alliage : la diff\u00e9rence r\u00e9side dans les \u00e9l\u00e9ments interstitiels<\/h2>\n<p>Les deux nuances sont Ti-6Al-4V : du titane avec environ 6 pour cent d'aluminium et 4 pour cent de vanadium. La diff\u00e9rence ne r\u00e9side pas dans les \u00e9l\u00e9ments d'alliage, mais dans la limite des \u00e9l\u00e9ments interstitiels, principalement l'oxyg\u00e8ne, ainsi que du fer :<\/p>\n<ul>\n<li><strong>Grade 5<\/strong> (Ti-6Al-4V standard) autorise jusqu'\u00e0 environ 0,20 pour cent d'oxyg\u00e8ne et jusqu'\u00e0 environ 0,40 pour cent de fer.<\/li>\n<li><strong>Grade 23<\/strong> (Ti-6Al-4V ELI) limite l'oxyg\u00e8ne \u00e0 environ 0,13 pour cent et le fer \u00e0 environ 0,25 pour cent.<\/li>\n<\/ul>\n<p>ELI signifie Extra Low Interstitial. L'oxyg\u00e8ne et le fer ne sont pas des contaminants ici, ce sont des \u00e9l\u00e9ments de renforcement d\u00e9lib\u00e9r\u00e9s : une teneur plus \u00e9lev\u00e9e augmente la r\u00e9sistance mais r\u00e9duit la t\u00e9nacit\u00e9 \u00e0 la rupture et la ductilit\u00e9. En maintenant leurs teneurs basses, Grade 23 perd un peu de r\u00e9sistance et gagne beaucoup en t\u00e9nacit\u00e9. Ce seul compromis explique toutes les d\u00e9cisions de s\u00e9lection ci-dessous.<\/p>\n<h2>Ce que ce compromis vous apporte r\u00e9ellement<\/h2>\n<table>\n<thead>\n<tr>\n<th>Propri\u00e9t\u00e9<\/th>\n<th>Grade 5<\/th>\n<th>Grade 23 (ELI)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>UNS<\/td>\n<td>R56400<\/td>\n<td>R56407 (B348); R56401 (F136)<\/td>\n<\/tr>\n<tr>\n<td>R\u00e9sistance \u00e0 la traction minimale<\/td>\n<td>895 MPa<\/td>\n<td>828 MPa<\/td>\n<\/tr>\n<tr>\n<td>Limite d'\u00e9lasticit\u00e9 minimale<\/td>\n<td>828 MPa<\/td>\n<td>759 MPa<\/td>\n<\/tr>\n<tr>\n<td>Limite d'oxyg\u00e8ne (approximative)<\/td>\n<td>0,20 pour cent<\/td>\n<td>0,13 pour cent<\/td>\n<\/tr>\n<tr>\n<td>Limite de fer (approximative)<\/td>\n<td>0,40 pour cent<\/td>\n<td>0,25 pour cent<\/td>\n<\/tr>\n<tr>\n<td>T\u00e9nacit\u00e9 \u00e0 la rupture<\/td>\n<td>Bonne<\/td>\n<td>Nettement sup\u00e9rieure<\/td>\n<\/tr>\n<tr>\n<td>Fatigue et tol\u00e9rance aux dommages<\/td>\n<td>Bonne<\/td>\n<td>Meilleure<\/td>\n<\/tr>\n<tr>\n<td>Ductilit\u00e9 \u00e0 basse temp\u00e9rature<\/td>\n<td>Bonne<\/td>\n<td>Meilleure<\/td>\n<\/tr>\n<tr>\n<td>Co\u00fbt relatif<\/td>\n<td>Inf\u00e9rieur<\/td>\n<td>Sup\u00e9rieur<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Les valeurs m\u00e9caniques indiqu\u00e9es sont des valeurs minimales de comparaison issues des contextes ASTM cit\u00e9s. La norme applicable, sa r\u00e9vision, la forme du produit et l\u2019\u00e9tat r\u00e9gissent la commande; un document de contr\u00f4le command\u00e9 rapporte les r\u00e9sultats applicables du contr\u00f4le sp\u00e9cifique.<\/p>\n<p>Les chiffres principaux font para\u00eetre Grade 5 plus r\u00e9sistant, et il l'est, d'environ 8 pour cent en r\u00e9sistance \u00e0 la traction minimale. Mais la r\u00e9sistance est rarement la propri\u00e9t\u00e9 qui entra\u00eene la d\u00e9faillance d'une pi\u00e8ce en Ti-6Al-4V en service exigeant. Ce sont les fissures. Grade 23 r\u00e9siste mieux \u00e0 l'amor\u00e7age et \u00e0 la propagation des fissures, tol\u00e8re mieux les d\u00e9fauts et conserve mieux sa ductilit\u00e9 \u00e0 basse temp\u00e9rature. Lorsqu'une pi\u00e8ce est charg\u00e9e statiquement et que la r\u00e9sistance est d\u00e9terminante, Grade 5 l'emporte en co\u00fbt. Lorsqu'une pi\u00e8ce est soumise \u00e0 des cycles, \u00e0 des chocs, utilis\u00e9e \u00e0 basse temp\u00e9rature ou ne doit pas subir de d\u00e9faillance catastrophique, Grade 23 justifie son co\u00fbt plus \u00e9lev\u00e9.<\/p>\n<h2>Quand utiliser Grade 5<\/h2>\n<p>Grade 5 est le Ti-6Al-4V par d\u00e9faut lorsque la r\u00e9sistance et le co\u00fbt priment, et que la t\u00e9nacit\u00e9 \u00e0 la rupture n'est pas le facteur limitant de conception.<\/p>\n<table>\n<thead>\n<tr>\n<th>Lorsque Grade 5 est le bon choix<\/th>\n<th>Ce qui le d\u00e9termine<\/th>\n<th>Norme habituelle<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Pi\u00e8ces structurelles usin\u00e9es et supports<\/td>\n<td>Charge statique, sans exigence critique en mati\u00e8re de rupture<\/td>\n<td>ASTM B348<\/td>\n<\/tr>\n<tr>\n<td>Arbres, \u00e9l\u00e9ments de fixation, raccords haute r\u00e9sistance<\/td>\n<td>La r\u00e9sistance pr\u00e9vaut, et non la propagation des fissures<\/td>\n<td>ASTM B348<\/td>\n<\/tr>\n<tr>\n<td>Usinage a\u00e9ronautique g\u00e9n\u00e9ral<\/td>\n<td>Le plan exige le Grade 5 standard<\/td>\n<td>ASTM B348 ou AMS 4928<\/td>\n<\/tr>\n<tr>\n<td>Quincaillerie industrielle et marine<\/td>\n<td>Supporte une charge sans fatigue \u00e0 grand nombre de cycles<\/td>\n<td>ASTM B348 ou B381<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Si le plan indique Grade 5 et que la pi\u00e8ce n'est pas critique en fatigue ou en rupture, ne passez pas \u00e0 ELI. Le co\u00fbt suppl\u00e9mentaire apporte une t\u00e9nacit\u00e9 que la pi\u00e8ce n'utilisera pas.<\/p>\n<h2>Quand utiliser Grade 23 (ELI)<\/h2>\n<p>Grade 23 est sp\u00e9cifi\u00e9 lorsque la tol\u00e9rance aux dommages, la dur\u00e9e de vie en fatigue ou le comportement \u00e0 basse temp\u00e9rature priment sur les derniers pour cent de r\u00e9sistance.<\/p>\n<table>\n<thead>\n<tr>\n<th>Lorsque Grade 23 ELI est requis<\/th>\n<th>Ce qui le d\u00e9termine<\/th>\n<th>Norme habituelle<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"\/fr\/medical-grade-titanium-guide-astm-f136-f67\/\">Implants chirurgicaux et dispositifs m\u00e9dicaux<\/a><\/td>\n<td>La t\u00e9nacit\u00e9 \u00e0 la rupture et la dur\u00e9e de vie en fatigue sont obligatoires ; la composition chimique ELI est inscrite dans la norme<\/td>\n<td>ASTM F136<\/td>\n<\/tr>\n<tr>\n<td>Pi\u00e8ces a\u00e9ronautiques et structurelles critiques vis-\u00e0-vis de la rupture<\/td>\n<td>Une fissure ne doit pas entra\u00eener une rupture entre les contr\u00f4les<\/td>\n<td>ASTM B348 Grade 23<\/td>\n<\/tr>\n<tr>\n<td>Composants soumis \u00e0 la fatigue<\/td>\n<td>Service avec rotation ou charge cyclique<\/td>\n<td>ASTM B348 Grade 23<\/td>\n<\/tr>\n<tr>\n<td>Service cryog\u00e9nique et \u00e0 basse temp\u00e9rature<\/td>\n<td>ELI conserve une ductilit\u00e9 que Grade 5 standard perd<\/td>\n<td>ASTM B348 Grade 23<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Pour le mat\u00e9riau destin\u00e9 aux implants, Grade 23 selon ASTM F136 n'est pas interchangeable avec Grade 5. La norme, la composition chimique et la documentation font partie de l'exigence, et ne constituent pas une option.<\/p>\n<h2>Le num\u00e9ro UNS correct<\/h2>\n<p>Pour Ti-6Al-4V ELI, le num\u00e9ro UNS n'est pas une propri\u00e9t\u00e9 de la nuance, mais une propri\u00e9t\u00e9 de la norme cit\u00e9e dans la commande. Deux num\u00e9ros diff\u00e9rents sont tous deux corrects, selon la sp\u00e9cification indiqu\u00e9e dans la commande.<\/p>\n<table>\n<thead>\n<tr>\n<th>Norme indiqu\u00e9e dans la commande<\/th>\n<th>Forme<\/th>\n<th>Nuance<\/th>\n<th>UNS sur le certificat<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>ASTM B348<\/td>\n<td>Barre et billette<\/td>\n<td>Grade 23 ELI<\/td>\n<td>R56407<\/td>\n<\/tr>\n<tr>\n<td>ASTM B265<\/td>\n<td>Plaque, t\u00f4le, bande<\/td>\n<td>Grade 23 ELI<\/td>\n<td>R56407<\/td>\n<\/tr>\n<tr>\n<td>ASTM B381<\/td>\n<td>Pi\u00e8ces forg\u00e9es<\/td>\n<td>Grade 23 ELI (F-23)<\/td>\n<td>R56407<\/td>\n<\/tr>\n<tr>\n<td>ASTM B863<\/td>\n<td>Fil<\/td>\n<td>Grade 23 ELI<\/td>\n<td>R56407<\/td>\n<\/tr>\n<tr>\n<td><strong>ASTM F136<\/strong><\/td>\n<td>Barre et fil pour implants chirurgicaux<\/td>\n<td>Ti-6Al-4V ELI<\/td>\n<td><strong>R56401<\/strong><\/td>\n<\/tr>\n<tr>\n<td>N'importe lequel des \u00e9l\u00e9ments ci-dessus<\/td>\n<td>Toutes formes<\/td>\n<td>Grade 5 standard<\/td>\n<td>R56400<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Cela est important dans la commande et sur le certificat, car un acheteur, un auditeur ou un contr\u00f4le douanier v\u00e9rifie la nuance par rapport \u00e0 l'UNS, et une incoh\u00e9rence d\u00e9clenche une alerte lors de la qualification du fournisseur. Citez ensemble la norme et le num\u00e9ro UNS afin que le certificat indique le num\u00e9ro attendu par le plan.<\/p>\n<h2>Comment sp\u00e9cifier l'une ou l'autre nuance<\/h2>\n<table>\n<thead>\n<tr>\n<th>Champ de la demande de prix<\/th>\n<th>\u00c0 indiquer<\/th>\n<th>Pourquoi cela modifie l'offre<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Nuance, UNS et norme<\/td>\n<td>Grade 5 ou Grade 23, le num\u00e9ro UNS, et ASTM B348, AMS 4928 ou ASTM F136<\/td>\n<td>D\u00e9termine les limites de composition chimique et le certificat applicables<\/td>\n<\/tr>\n<tr>\n<td>Forme et dimensions<\/td>\n<td>Diam\u00e8tre et longueur pour la barre, \u00e9paisseur pour la plaque, dimensions pour les pi\u00e8ces forg\u00e9es<\/td>\n<td>D\u00e9termine le parcours en usine et la chute<\/td>\n<\/tr>\n<tr>\n<td>\u00c9tat<\/td>\n<td>Indiquez l\u2019\u00e9tat et toute exigence de traitement thermique selon le plan, la norme applicable ou la commande<\/td>\n<td>Modifie les propri\u00e9t\u00e9s m\u00e9caniques et le temps de traitement<\/td>\n<\/tr>\n<tr>\n<td>P\u00e9rim\u00e8tre du contr\u00f4le<\/td>\n<td>Pour les pi\u00e8ces critiques en rupture ou les implants, indiquez le contr\u00f4le par ultrasons et la classe d'acceptation<\/td>\n<td>Ajoute une op\u00e9ration et un co\u00fbt r\u00e9els, il ne peut donc pas \u00eatre suppos\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Dossier de certificats<\/td>\n<td>Indiquez le type de document de contr\u00f4le requis et les r\u00e9sultats rapport\u00e9s, y compris EN 10204 3.1 lorsqu\u2019il est command\u00e9<\/td>\n<td>D\u00e9termine quelle documentation accompagne le mat\u00e9riau<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Indiquer d\u00e8s le d\u00e9part le service et l'exigence de fatigue ou de rupture permet de confirmer la bonne version avant l'offre, au lieu de constater apr\u00e8s usinage que la mauvaise nuance a \u00e9t\u00e9 fournie.<\/p>\n<h2>Comment Beiyu Titanium fournit Grade 5 et Grade 23<\/h2>\n<table>\n<thead>\n<tr>\n<th>Forme<\/th>\n<th>Norme<\/th>\n<th>Nuances fournies<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><a href=\"\/fr\/product\/6al4v-titanium-bar\/\">Barre et billette<\/a><\/td>\n<td>ASTM B348, AMS 4928<\/td>\n<td>Grade 5 (R56400), Grade 23 (R56407)<\/td>\n<\/tr>\n<tr>\n<td>Plaque et t\u00f4le<\/td>\n<td>ASTM B265<\/td>\n<td>Grade 5, Grade 23<\/td>\n<\/tr>\n<tr>\n<td><a href=\"\/fr\/product\/gr5-titanium-forging-block\/\">Pi\u00e8ces forg\u00e9es<\/a><\/td>\n<td>ASTM B381<\/td>\n<td>Grade 5, Grade 23<\/td>\n<\/tr>\n<tr>\n<td>Barre et fil pour implants<\/td>\n<td>ASTM F136<\/td>\n<td>Ti-6Al-4V ELI (R56401)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Envoyez la fonction de la pi\u00e8ce, la nuance, le num\u00e9ro UNS, la norme applicable, la forme du produit et le p\u00e9rim\u00e8tre requis du document de contr\u00f4le. Beiyu confirme la voie disponible, les champs de tra\u00e7abilit\u00e9 et les r\u00e9sultats d\u2019essai rapport\u00e9s dans l\u2019offre avant la lib\u00e9ration de la commande.<\/p>\n<h2>Guides et outils associ\u00e9s<\/h2>\n<ul>\n<li><a href=\"\/fr\/medical-grade-titanium-guide-astm-f136-f67\/\">Titane de qualit\u00e9 m\u00e9dicale (ASTM F136, Grade 23 ELI)<\/a><\/li>\n<li><a href=\"\/fr\/titanium-grade-for-seawater-marine-service\/\">Nuance de titane pour l'eau de mer et les applications marines<\/a><\/li>\n<li><a href=\"\/fr\/titanium-grade-selector\/\">Outil de s\u00e9lection des nuances de titane<\/a><\/li>\n<\/ul>\n<section class=\"beiyu-author-bio\" data-codex-c44-author-bio=\"penn-ma\">\n<h2>\u00c0 propos de l'auteur<\/h2>\n<p><strong>Penn Ma<\/strong> dirige l'activit\u00e9 internationale de Beiyu Titanium et r\u00e9pond lui-m\u00eame \u00e0 ses demandes de prix, en v\u00e9rifiant la nuance, la norme, les dimensions, la tol\u00e9rance et l'\u00e9tendue du certificat par rapport aux capacit\u00e9s de l'usine avant l'\u00e9mission d'un prix. Il poss\u00e8de 15 ann\u00e9es d'exp\u00e9rience dans l'exportation de titane, couvrant les barres, tiges, plaques, tubes, blocs, anneaux, bobines, lingots, pi\u00e8ces forg\u00e9es et pi\u00e8ces usin\u00e9es, avec la documentation EN 10204 3.1 et la tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e utilis\u00e9es quotidiennement. Avant Beiyu, il a travaill\u00e9 chez Koch (Koch-Glitsch) et a particip\u00e9 directement \u00e0 la livraison d'un projet p\u00e9trochimique SABIC \u00e0 Fujian, Chine, d'o\u00f9 proviennent les habitudes c\u00f4t\u00e9 acheteur \u00e0 l'origine de ce site : plans d'inspection et d'essais, certification mati\u00e8re et tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e, coordination du contr\u00f4le par tierce partie et contr\u00f4le des dossiers de projet. <a href=\"https:\/\/beiyutitanium.com\/fr\/penn-ma\/\">Lire le profil complet de l'auteur<\/a>.<\/p>\n<\/section>\n<p><!--c140-cite-block--><\/p>\n<h2>D\u00e9tails des sp\u00e9cifications avec sources<\/h2>\n<p>L'\u00e9cart de composition chimique est plus important que les lignes d'oxyg\u00e8ne et de fer habituellement cit\u00e9es. <a href=\"https:\/\/store.astm.org\/standards\/b348\" target=\"_blank\" rel=\"noopener\">ASTM B348<\/a> Tableau 1 abaisse \u00e9galement le plafond d'azote de 0,05 pour cent pour Grade 5 \u00e0 0,03 pour cent pour Grade 23 et le plafond d'hydrog\u00e8ne de 0,015 \u00e0 0,0125 pour cent, de sorte que les quatre contr\u00f4les des \u00e9l\u00e9ments interstitiels se resserrent ensemble dans la version ELI. L'allongement ne les distingue pas, puisque B348 fixe un minimum de 10 pour cent en 4D pour les deux nuances, raison pour laquelle un contr\u00f4leur \u00e0 r\u00e9ception distingue les deux \u00e0 partir de l'analyse de coul\u00e9e d\u00e9clar\u00e9e plut\u00f4t que de la ligne de ductilit\u00e9 du certificat.<\/p>\n<p>Une ligne d'acceptation va dans l'autre sens : ASTM B348 exige une striction minimale de 25 pour cent pour une barre Grade 5 recuite mais de 15 pour cent pour une barre Grade 23 recuite, de sorte qu'un plan exigeant 25 pour cent pour une barre ELI d\u00e9passe la norme et doit figurer dans la commande comme exigence suppl\u00e9mentaire. Les \u00e9quivalents a\u00e9ronautiques sont SAE AMS 4928 pour les barres et pi\u00e8ces forg\u00e9es de nuance standard recuites et AMS 4930 pour ELI recuit, tandis que <a href=\"https:\/\/store.astm.org\/standards\/f136\" target=\"_blank\" rel=\"noopener\">ASTM F136<\/a> indique des minimums de 860 MPa de r\u00e9sistance \u00e0 la traction et 795 MPa de limite d'\u00e9lasticit\u00e9 pour les barres d'implant dans des sections de 4.75 \u00e0 moins de 44.45 mm.<\/p>\n<p><!--\/c140-cite-block--><\/p>","protected":false},"excerpt":{"rendered":"<p>Grade 5 and Grade 23 are the same Ti-6Al-4V alloy, but Grade 23 is the extra-low-interstitial (ELI) version, with tighter oxygen and iron limits. Grade 5 is slightly stronger (895 MPa minimum tensile against 828 MPa for Grade 23) and cheaper. Grade 23 trades that small amount of strength for substantially higher fracture toughness, better [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":4749,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_templately_pack_id":"","_templately_imported_at":"","_templately_source":"","_templately_import_session_id":"","site-sidebar-layout":"default","site-content-layout":"","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":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","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":"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":"","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-4)","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-4)","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-4)","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":""},"categories":[27,137],"tags":[],"class_list":["post-4550","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","category-technical-guides"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Grade 5 vs Grade 23 Titanium: Ti-6Al-4V vs ELI | Beiyu<\/title>\n<meta name=\"description\" content=\"Grade 5 vs Grade 23 titanium (Ti-6Al-4V vs ELI). 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Grade 5 est plus r\u00e9sistant et moins co\u00fbteux ; Grade 23 ELI pr\u00e9sente une t\u00e9nacit\u00e9 \u00e0 la rupture et une dur\u00e9e de vie en fatigue sup\u00e9rieures pour les implants (ASTM F136) et les pi\u00e8ces critiques vis-\u00e0-vis de la rupture.","breadcrumb":{"@id":"https:\/\/beiyutitanium.com\/grade-5-vs-grade-23-titanium\/#breadcrumb"},"inLanguage":"fr-FR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/beiyutitanium.com\/grade-5-vs-grade-23-titanium\/"]}]},{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/beiyutitanium.com\/grade-5-vs-grade-23-titanium\/#primaryimage","url":"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/beiyu-news-grade-5-vs-grade-23-titanium-cover-20260725.jpg","contentUrl":"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/06\/beiyu-news-grade-5-vs-grade-23-titanium-cover-20260725.jpg","width":1200,"height":675,"caption":"Technical guide cover: Grade 5 vs Grade 23 Titanium (Ti-6Al-4V vs Ti-6Al-4V ELI): Differences and When to Use Each"},{"@type":"BreadcrumbList","@id":"https:\/\/beiyutitanium.com\/grade-5-vs-grade-23-titanium\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/beiyutitanium.com\/"},{"@type":"ListItem","position":2,"name":"Grade 5 vs Grade 23 Titanium (Ti-6Al-4V vs Ti-6Al-4V ELI): Differences and When to Use Each"}]},{"@type":"WebSite","@id":"https:\/\/beiyutitanium.com\/#website","url":"https:\/\/beiyutitanium.com\/","name":"Beiyu Titanium","description":"Mat\u00e9riaux en titane certifi\u00e9s et composants sur mesure pour les applications a\u00e9ronautiques, m\u00e9dicales, chimiques et industrielles.","publisher":{"@id":"https:\/\/beiyutitanium.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/beiyutitanium.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"fr-FR"},{"@type":"Organization","@id":"https:\/\/beiyutitanium.com\/#organization","name":"Beiyu Titanium","alternateName":"\u5317\u9a6d\u949b\u4e1a","url":"https:\/\/beiyutitanium.com\/","logo":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/beiyutitanium.com\/#\/schema\/logo\/image\/","url":"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/03\/logo4.png","contentUrl":"https:\/\/beiyutitanium.com\/wp-content\/uploads\/2026\/03\/logo4.png","width":429,"height":116,"caption":"Beiyu Titanium"},"image":{"@id":"https:\/\/beiyutitanium.com\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.linkedin.com\/company\/113015050\/","https:\/\/www.youtube.com\/channel\/UC4Rr5qjUmKbbnROzU8zwluQ","https:\/\/www.instagram.com\/beiyutrade\/","https:\/\/www.facebook.com\/people\/Beiyu-Titanium-Group\/61580787646046\/","https:\/\/www.crunchbase.com\/organization\/beiyu-titanium","https:\/\/www.wikidata.org\/wiki\/Q140386451"],"contactPoint":{"@type":"ContactPoint","contactType":"sales","email":"penn@beiyutitanium.com","availableLanguage":["English","Chinese"]},"description":"Beiyu Titanium (entit\u00e9 juridique Jiaxing Beiyu New Materials Technology Co., Ltd.) est un fournisseur et exportateur chinois de barres, plaques, t\u00f4les, tubes, pi\u00e8ces forg\u00e9es, brides, \u00e9l\u00e9ments de fixation et pi\u00e8ces usin\u00e9es sur mesure en titane ASTM et AMS, ainsi que d'alliages de nickel et Inconel, destin\u00e9s aux acheteurs des secteurs chimique, maritime, m\u00e9dical et industriel dans le monde entier. La production est assur\u00e9e par l'usine de titane Beiyu \u00e0 Baoji, Shaanxi. Les commandes sont trait\u00e9es sur demande de prix, avec des certificats de r\u00e9ception 3.1 selon EN 10204 et une tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e disponibles sur demande.","areaServed":"Worldwide","knowsAbout":["Titanium","Titanium alloy","Titanium bar","Titanium sheet and plate","Titanium tube and pipe","Titanium forgings","Titanium wire","Titanium anode"],"address":{"@type":"PostalAddress","streetAddress":"Baotai Road Industrial Park, High-tech Development Zone","addressLocality":"Baoji","addressRegion":"Shaanxi","addressCountry":"CN"},"legalName":"Jiaxing Beiyu New Materials Technology Co., Ltd."},{"@type":"Person","@id":"https:\/\/beiyutitanium.com\/#\/schema\/person\/3560db17cf08813edf34f012735b971b","name":"Penn Ma","image":{"@type":"ImageObject","inLanguage":"fr-FR","@id":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/0659bdefb633d0d8e567b06d2f8bffac2a369834e53e96c922a06fd8a96f3c72?s=96&d=mm&r=g","caption":"Penn Ma"},"description":"Penn Ma est la personne qui r\u00e9pond aux demandes de prix chez Beiyu Titanium. Avec plus de 15 ans d'exp\u00e9rience dans l'exportation de titane, il a appris \u00e0 examiner lui-m\u00eame chaque ligne de sp\u00e9cification, en v\u00e9rifiant la nuance, la norme, les dimensions, la tol\u00e9rance et le p\u00e9rim\u00e8tre du certificat par rapport aux capacit\u00e9s de l'usine avant d'\u00e9tablir une offre, plut\u00f4t que d'orienter les demandes vers un service commercial. Il est venu \u00e0 l'approvisionnement en titane depuis l'autre c\u00f4t\u00e9 de la transaction. Avant de diriger les activit\u00e9s internationales de Beiyu, il a travaill\u00e9 chez Koch (Koch-Glitsch) et a particip\u00e9 directement \u00e0 la r\u00e9alisation d'un projet p\u00e9trochimique SABIC dans le Fujian, en Chine. Ce travail reposait sur des plans de contr\u00f4le et d'essais, la certification des mat\u00e9riaux et la tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e, la coordination du contr\u00f4le par tierce partie, ainsi que le contr\u00f4le de la documentation et des dossiers de projet. Ce sont les quatre m\u00eames \u00e9l\u00e9ments qu'un acheteur de l'industrie des proc\u00e9d\u00e9s ou un acheteur soumis \u00e0 r\u00e9glementation exigera d'un fournisseur de titane, et le fait d'avoir d\u00fb les faire appliquer en tant que client explique qu'ils soient trait\u00e9s ici comme faisant partie de la fourniture plut\u00f4t que comme des documents produits ult\u00e9rieurement. Son travail quotidien couvre les questions auxquelles ce site est destin\u00e9 \u00e0 r\u00e9pondre : choisir entre des nuances de titane commercialement pur et alli\u00e9 pour un service corrosif, lire un certificat mati\u00e8re par rapport \u00e0 la norme command\u00e9e, et faire correspondre la d\u00e9signation d'un acheteur (nuance ASTM, UNS, num\u00e9ro Werkstoff allemand ou code NF fran\u00e7ais) au m\u00eame m\u00e9tal sur diff\u00e9rents march\u00e9s. Beiyu fournit des produits d'usine en titane, alliages de nickel et m\u00e9taux r\u00e9fractaires, notamment des barres, tiges, plaques, tubes, blocs, anneaux, bobines, lingots, pi\u00e8ces forg\u00e9es et pi\u00e8ces usin\u00e9es, avec documentation EN 10204 3.1 et tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e.","url":"https:\/\/beiyutitanium.com\/fr\/author\/penn-ma\/"}]}},"_links":{"self":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts\/4550","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/comments?post=4550"}],"version-history":[{"count":10,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts\/4550\/revisions"}],"predecessor-version":[{"id":5631,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/posts\/4550\/revisions\/5631"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/media\/4749"}],"wp:attachment":[{"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/media?parent=4550"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/categories?post=4550"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/beiyutitanium.com\/fr\/wp-json\/wp\/v2\/tags?post=4550"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}