{"id":4780,"date":"2026-07-26T13:19:17","date_gmt":"2026-07-26T13:19:17","guid":{"rendered":"https:\/\/beiyutitanium.com\/titanium-werkstoffnummer-astm-cross-reference\/"},"modified":"2026-08-18T04:47:18","modified_gmt":"2026-08-18T04:47:18","slug":"titanium-werkstoffnummer-astm-cross-reference","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/fr\/titanium-werkstoffnummer-astm-cross-reference\/","title":{"rendered":"Num\u00e9ros de mat\u00e9riau en titane : table de correspondance entre Werkstoffnummer et ASTM"},"content":{"rendered":"

Les plans allemands et de nombreux plans europ\u00e9ens identifient le titane par Werkstoffnummer plut\u00f4t que par nuance ASTM. Les correspondances courantes sont 3.7025 = Grade 1, 3.7035 = Grade 2, 3.7055 = Grade 3, 3.7065 = Grade 4, 3.7165 = Grade 5 (Ti-6Al-4V), 3.7235 = Grade 7, 3.7195 = Grade 9 et 3.7105 = Grade 12. Le tableau ci-dessous ajoute les num\u00e9ros UNS et les normes produits DIN que ces plans citent habituellement.<\/p>\n

Tableau de correspondance entre Werkstoffnummer du titane et nuances ASTM<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
D\u00e9signation allemande<\/th>\nNuance ASTM<\/th>\nUNS<\/th>\nMat\u00e9riau<\/th>\nService typique<\/th>\n<\/tr>\n<\/thead>\n
3.7025<\/td>\nGrade 1<\/td>\nR50250<\/td>\nTitane non alli\u00e9, le plus souple et le plus formable<\/td>\nEmboutissage profond, placage, rev\u00eatements<\/td>\n<\/tr>\n
3.7035<\/td>\nGrade 2<\/td>\nR50400<\/td>\nTitane non alli\u00e9, la puret\u00e9 courante<\/td>\n\u00c9quipements de proc\u00e9d\u00e9s chimiques, service en eau de mer<\/td>\n<\/tr>\n
3.7055<\/td>\nGrade 3<\/td>\nR50550<\/td>\nTitane non alli\u00e9, r\u00e9sistance plus \u00e9lev\u00e9e<\/td>\nEnveloppes sous pression lorsque la r\u00e9sistance du Grade 2 est insuffisante<\/td>\n<\/tr>\n
3.7065<\/td>\nGrade 4<\/td>\nR50700<\/td>\nTitane non alli\u00e9, r\u00e9sistance CP la plus \u00e9lev\u00e9e<\/td>\nRaccords, d\u00e9tails de cellule d'a\u00e9ronef<\/td>\n<\/tr>\n
3.7165<\/td>\nGrade 5<\/td>\nR56400<\/td>\nTi-6Al-4V<\/td>\nPi\u00e8ces usin\u00e9es et structurelles<\/td>\n<\/tr>\n
WL 3.7164<\/td>\nFamille Grade 5<\/td>\nR56400<\/td>\nTi-6Al-4V selon un Werkstoff-Leistungsblatt a\u00e9rospatial allemand; pas un second DIN Werkstoff-Nummer<\/td>\nPi\u00e8ces command\u00e9es selon la fiche mat\u00e9riaux a\u00e9rospatiale cit\u00e9e<\/td>\n<\/tr>\n
3.7235<\/td>\nGrade 7<\/td>\nR52400<\/td>\nTitane avec 0.12 \u00e0 0.25 pour cent de palladium<\/td>\nAcides r\u00e9ducteurs, chlorures chauds, service expos\u00e9 \u00e0 la corrosion caverneuse<\/td>\n<\/tr>\n
3.7195<\/td>\nGrade 9<\/td>\nR56320<\/td>\nTi-3Al-2.5V<\/td>\nTubes et conduites hydrauliques n\u00e9cessitant davantage de r\u00e9sistance que les nuances CP<\/td>\n<\/tr>\n
3.7105<\/td>\nGrade 12<\/td>\nR53400<\/td>\nTi-0.3Mo-0.8Ni<\/td>\nSaumure chaude et \u00e9quipements de proc\u00e9d\u00e9 chlor\u00e9s<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Il s'agit de correspondances pratiques, et non de sp\u00e9cifications identiques mot pour mot. Les plages de composition chimique et les r\u00e8gles d'essai des documents DIN diff\u00e8rent dans le d\u00e9tail de leurs \u00e9quivalents ASTM, de sorte que la norme propre au plan pr\u00e9vaut toujours. Lorsque nous \u00e9tablissons une offre sur la base d'un plan avec Werkstoffnummer, la v\u00e9rification est effectu\u00e9e sur le certificat mati\u00e8re, o\u00f9 la composition chimique et les valeurs m\u00e9caniques d\u00e9clar\u00e9es peuvent \u00eatre contr\u00f4l\u00e9es par rapport aux deux documents avant la lib\u00e9ration du mat\u00e9riau.<\/p>\n

Pour rechercher directement une nuance par num\u00e9ro, UNS, Werkstoffnummer ou norme, utilisez l' outil de r\u00e9f\u00e9rence crois\u00e9e des nuances de titane<\/a>. Le reste de cette page traite de ce qu'un plan allemand exige sp\u00e9cifiquement et de la mani\u00e8re de commander un produit ASTM d'usine conform\u00e9ment \u00e0 celui-ci.<\/p>\n

Comment les plans allemands sp\u00e9cifient-ils le titane ?<\/h2>\n

Une d\u00e9signation allemande du titane comporte g\u00e9n\u00e9ralement trois parties : le Werkstoff-Nummer pour le mat\u00e9riau lui-m\u00eame, une norme de produit DIN pour la forme et une exigence relative au document de contr\u00f4le. La composition figure dans DIN 17850 pour le titane non alli\u00e9 et DIN 17851 pour les alliages de titane. Les normes de produit comprennent DIN 17860 pour la plaque, la t\u00f4le et la bande, DIN 17862 pour la barre et DIN 17864 pour les pi\u00e8ces forg\u00e9es. Les plans plus anciens peuvent citer DIN 17861, retir\u00e9e, pour les tubes sans soudure; la voie de production actuelle et la norme d\u2019acceptation doivent alors \u00eatre convenues avant l\u2019offre. Si EN 10204 3.1 ou un autre type de document est requis pour barre ASTM B348<\/a>, les plaques et t\u00f4les ASTM B265<\/a> ou les pi\u00e8ces forg\u00e9es ASTM B381<\/a>, indiquez-le dans la demande de prix et la commande; Beiyu confirme le p\u00e9rim\u00e8tre de rapport et de validation dans l\u2019offre.<\/p>\n\n\n\n\n\n\n\n\n\n\n
Une d\u00e9signation allemande du titane comporte g\u00e9n\u00e9ralement trois parties : le Werkstoffnummer pour le mat\u00e9riau lui-m\u00eame, une norme de produit DIN pour la forme, et une exigence de certificat.<\/caption>\n
Partie d'une d\u00e9signation allemande du titane<\/th>\nNorme cit\u00e9e par le guide<\/th>\n<\/tr>\n<\/thead>\n
Composition, titane non alli\u00e9<\/td>\nDIN 17850<\/td>\n<\/tr>\n
Composition, alliages de titane<\/td>\nDIN 17851<\/td>\n<\/tr>\n
Plaque, t\u00f4le et bande<\/td>\nDIN 17860<\/td>\n<\/tr>\n
Barre<\/td>\nDIN 17862<\/td>\n<\/tr>\n
Pi\u00e8ces forg\u00e9es<\/td>\nDIN 17864<\/td>\n<\/tr>\n
Tube sans soudure sur les anciens plans<\/td>\nDIN 17861<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Quelle est la diff\u00e9rence entre 3.7164 et 3.7165 ?<\/h2>\n

Les deux d\u00e9signations peuvent appara\u00eetre avec Ti-6Al-4V, mais il ne s\u2019agit pas de deux Werkstoffnummern interchangeables. Le DIN Werkstoff-Nummer est 3.7165. WL 3.7164 est une d\u00e9signation Werkstoff-Leistungsblatt utilis\u00e9e dans la documentation a\u00e9rospatiale allemande. Si un plan cite WL 3.7164 et sa sp\u00e9cification a\u00e9rospatiale associ\u00e9e, \u00e9tablissez l\u2019offre selon cette exigence compl\u00e8te plut\u00f4t que de substituer Grade 5 commercial sur la seule base du num\u00e9ro. S\u2019il cite 3.7165 avec une norme de produit DIN, rapprochez cette norme du produit d\u2019usine ASTM Grade 5 propos\u00e9 et du document de contr\u00f4le requis avant l\u2019offre.<\/p>\n\n\n\n\n\n\n
3.7165 et WL 3.7164 peuvent tous deux appara\u00eetre avec Ti-6Al-4V, mais ils appartiennent \u00e0 des syst\u00e8mes de d\u00e9signation allemands diff\u00e9rents.<\/caption>\n
D\u00e9signation allemande<\/th>\nType de d\u00e9signation et signification pour la commande<\/th>\n<\/tr>\n<\/thead>\n
WL 3.7164<\/td>\nD\u00e9signation Werkstoff-Leistungsblatt utilis\u00e9e dans la documentation a\u00e9rospatiale allemande; commander selon la fiche compl\u00e8te cit\u00e9e et les exigences associ\u00e9es<\/td>\n<\/tr>\n
3.7165<\/td>\nDIN Werkstoff-Nummer pour Ti-6Al-4V; rapprocher la norme de produit DIN indiqu\u00e9e de la voie ASTM propos\u00e9e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Quel num\u00e9ro s'applique \u00e0 Grade 23, la version ELI ?<\/h2>\n

Ti-6Al-4V ELI ne poss\u00e8de pas de Werkstoffnummer distinct couramment utilis\u00e9. Les plans allemands indiquent habituellement 3.7165 ELI ou citent directement la norme ASTM. Notez que le num\u00e9ro UNS d\u00e9pend alors de la norme command\u00e9e : les barres ASTM B348, les plaques ASTM B265 et les fils ASTM B863 d\u00e9signent Grade 23 comme UNS R56407, tandis que la sp\u00e9cification d'implant chirurgical ASTM F136 utilise UNS R56401. La distinction, et les cas dans lesquels chaque version justifie son co\u00fbt, sont trait\u00e9s dans notre comparaison Grade 5 et Grade 23<\/a>.<\/p>\n\n\n\n\n\n\n\n\n
Ti-6Al-4V ELI ne poss\u00e8de pas de Werkstoffnummer distinct couramment utilis\u00e9. Les plans allemands indiquent g\u00e9n\u00e9ralement 3.7165 ELI ou citent directement la norme ASTM, et le num\u00e9ro UNS d\u00e9pend alors de la norme command\u00e9e.<\/caption>\n
Norme command\u00e9e<\/th>\nD\u00e9signation UNS pour Grade 23<\/th>\n<\/tr>\n<\/thead>\n
barre ASTM B348<\/td>\nR56407<\/td>\n<\/tr>\n
plaque ASTM B265<\/td>\nR56407<\/td>\n<\/tr>\n
fil ASTM B863<\/td>\nR56407<\/td>\n<\/tr>\n
ASTM F136, sp\u00e9cification pour implant chirurgical<\/td>\nR56401<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Comment commander un produit d'usine ASTM sur la base d'un plan Werkstoffnummer<\/h2>\n

De nombreuses usines de titane hors d\u2019Europe travaillent principalement selon des sp\u00e9cifications ASTM, de sorte qu\u2019un acheteur disposant d\u2019un plan DIN peut proposer une nuance ASTM correspondante. La demande de prix devrait indiquer exactement la d\u00e9signation allemande et la norme DIN telles qu\u2019elles figurent sur le document, la nuance ASTM propos\u00e9e, la forme du produit, les dimensions et tol\u00e9rances, l\u2019\u00e9tat requis et l\u2019\u00e9tat de surface, ainsi que les exigences relatives au document de contr\u00f4le et \u00e0 la tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e. Nous comparons les deux cadres de composition chimique et de propri\u00e9t\u00e9s m\u00e9caniques au stade de l\u2019offre et signalons toute exigence plus stricte ou suppl\u00e9mentaire avant qu\u2019une substitution soit accept\u00e9e. Une pr\u00e9sentation compl\u00e8te des nuances elles-m\u00eames figure dans la guide de comparaison des nuances de titane<\/a>.<\/p>\n

<\/p>\n

Pourquoi une correspondance de num\u00e9ro ne constitue pas encore une base d'acceptation<\/h2>\n

Un tableau de r\u00e9f\u00e9rences crois\u00e9es aligne les d\u00e9signations. Il ne transf\u00e8re pas les exigences d'acceptation d'un syst\u00e8me \u00e0 l'autre, et une commande qui cite uniquement le num\u00e9ro correspondant ne pr\u00e9cise pas le document applicable.<\/p>\n\n\n\n\n\n\n\n
Ce qu'apporte un num\u00e9ro correspondant<\/th>\nCe qu'il n'apporte pas<\/th>\n<\/tr>\n<\/thead>\n
La d\u00e9signation \u00e9quivalente dans l'autre syst\u00e8me<\/td>\nLes exigences relatives \u00e0 la forme du produit qui l'accompagnent<\/td>\n<\/tr>\n
Un moyen de lire un plan \u00e9tranger<\/td>\nLa table de tol\u00e9rances applicable \u00e0 la section command\u00e9e<\/td>\n<\/tr>\n
Une r\u00e9f\u00e9rence commune dans la correspondance<\/td>\nLe p\u00e9rim\u00e8tre du rapport pour le certificat<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Ce qu'il faut indiquer sur la commande avec la r\u00e9f\u00e9rence crois\u00e9e<\/h2>\n\n\n\n\n\n\n\n\n
Ligne<\/th>\nPourquoi la r\u00e9f\u00e9rence crois\u00e9e ne le couvre pas<\/th>\n<\/tr>\n<\/thead>\n
Norme produit applicable<\/td>\nL'acceptation suit la norme indiqu\u00e9e, non la d\u00e9signation correspondante<\/td>\n<\/tr>\n
Nuance avec son num\u00e9ro UNS<\/td>\nLe num\u00e9ro suit la cha\u00eene de sp\u00e9cifications indiqu\u00e9e par la commande<\/td>\n<\/tr>\n
Dimension d\u00e9terminante avec tol\u00e9rance<\/td>\nLes indications dimensionnelles ne font pas partie d'une correspondance de d\u00e9signations<\/td>\n<\/tr>\n
Certificat et p\u00e9rim\u00e8tre du rapport<\/td>\nCertificat de r\u00e9ception EN 10204 3.1 avec tra\u00e7abilit\u00e9 par num\u00e9ro de coul\u00e9e, p\u00e9rim\u00e8tre d\u00e9fini par la commande<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Une r\u00e9f\u00e9rence crois\u00e9e est une aide \u00e0 la traduction. La commande doit toujours indiquer le document selon lequel l'acceptation sera \u00e9valu\u00e9e.<\/p>\n

D\u00e9tails des sp\u00e9cifications avec sources<\/h2>\n

Le propre corpus documentaire du DIN ancre ce tableau : la composition figure dans DIN 17850 pour le titane non alli\u00e9 et DIN 17851 pour les alliages, les normes de forme sont DIN 17860 pour les produits plats, 17862 pour la barre et 17864 pour les pi\u00e8ces forg\u00e9es, et le certificat de type 3.1 selon EN 10204 a succ\u00e9d\u00e9 \u00e0 la ligne DIN 50049 3.1B que portaient les anciens plans allemands. Les huit correspondances courantes list\u00e9es ci-dessus, dont 3.7035 vers Grade 2 (UNS R50400) et 3.7165 vers Grade 5 (UNS R56400), sont des \u00e9quivalences de travail dont les fourchettes de composition chimique diff\u00e8rent dans le d\u00e9tail, raison pour laquelle la norme propre au plan r\u00e9git toujours la commande.<\/p>\n

La pratique d'offre de Beiyu Titanium face \u00e0 un plan en Werkstoffnummer consiste \u00e0 indiquer 2 d\u00e9signations c\u00f4te \u00e0 c\u00f4te, la nuance ASTM avec son num\u00e9ro UNS \u00e0 c\u00f4t\u00e9 de l'appel 3.7xxx, et \u00e0 rapprocher les fourchettes de composition chimique sur le certificat EN 10204 3.1 avant lib\u00e9ration, la m\u00eame revue \u00e0 double d\u00e9signation que Beiyu m\u00e8ne lorsqu'une coul\u00e9e d\u00e9bute sous documentation chinoise GB\/T 3620.1. Penn Ma a examin\u00e9 ces appels inter-normes au cours de 15 ans d'exportation de titane chez Beiyu, et l'enveloppe usine derri\u00e8re une offre Beiyu couvre la barre B348 de 1 \u00e0 500 mm de diam\u00e8tre et les produits plats B265 jusqu'\u00e0 70 mm d'\u00e9paisseur, les deux formes que les plans allemands d'\u00e9quipements de proc\u00e9d\u00e9 sp\u00e9cifient le plus souvent.<\/p>\n

<\/p>","protected":false},"excerpt":{"rendered":"

German and many European drawings identify titanium by Werkstoffnummer rather than ASTM grade. The common mappings are 3.7025 = Grade 1, 3.7035 = Grade 2, 3.7055 = Grade 3, 3.7065 = Grade 4, 3.7165 = Grade 5 (Ti-6Al-4V), 3.7235 = Grade 7, 3.7195 = Grade 9 and 3.7105 = Grade 12. The table below adds 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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. 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