{"id":4051,"date":"2026-06-02T01:26:44","date_gmt":"2026-06-02T01:26:44","guid":{"rendered":"https:\/\/beiyutitanium.com\/heat-to-heat-variation-ti-6al-4v-ingots\/"},"modified":"2026-09-01T23:51:28","modified_gmt":"2026-09-01T23:51:28","slug":"heat-to-heat-variation-ti-6al-4v-ingots","status":"publish","type":"post","link":"https:\/\/beiyutitanium.com\/tr\/heat-to-heat-variation-ti-6al-4v-ingots\/","title":{"rendered":"Ti-6Al-4V’de D\u00f6k\u00fcmler Aras\u0131 De\u011fi\u015fkenlik: \u0130ki ‘Grade 5’ K\u00fcl\u00e7e Neden Ayn\u0131 De\u011fildir"},"content":{"rendered":"

Two titanium bars can both be stamped “Grade 5,” both pass ASTM B348, and still not be chemically identical. That isn’t a defect: it’s how melted alloys work. Understanding the spread between heats is the difference between a buyer who specifies properly and one who is surprised when a second order machines or welds a little differently.<\/p>\n

\"Forged
Ti-6Al-4V’de D\u00f6k\u00fcmler Aras\u0131 De\u011fi\u015fkenlik: \u0130ki ‘Grade 5’ K\u00fcl\u00e7e Neden Ayn\u0131 De\u011fildir<\/figcaption><\/figure>\n

Ergitti\u011fimiz iki ger\u00e7ek Ti-6Al-4V (TC4) k\u00fcl\u00e7e d\u00f6k\u00fcm\u00fc burada verilmi\u015ftir; her ikisi de \u03a6600 mm olup ayn\u0131 g\u00fcn akredite ba\u011f\u0131ms\u0131z bir laboratuvarda \u00fc\u00e7\u00fcnc\u00fc taraf deneylerinden ge\u00e7mi\u015ftir:<\/p>\n\n\n\n\n\n\n\n\n\n
Element (wt %)<\/th>\nD\u00f6k\u00fcm A<\/th>\nD\u00f6k\u00fcm B<\/th>\nASTM B348 Gr 5 s\u0131n\u0131r\u0131<\/th>\n<\/tr>\n<\/thead>\n
Al\u00fcminyum (Al)<\/td>\n6.35 ila 6.53<\/td>\n6.15 ila 6.18<\/td>\n5.5 ila 6.75<\/td>\n<\/tr>\n
Vanadyum (V)<\/td>\n3.77 ila 3.87<\/td>\n4.03 ila 4.06<\/td>\n3.5 ila 4.5<\/td>\n<\/tr>\n
Demir (Fe)<\/td>\n0.18 ila 0.19<\/td>\n0.18 ila 0.19<\/td>\n\u2264 0.40<\/td>\n<\/tr>\n
Oksijen (O)<\/td>\n0.181 ila 0.186<\/td>\n0.171 ila 0.172<\/td>\n\u2264 0.20<\/td>\n<\/tr>\n
Azot (N)<\/td>\n0.007<\/td>\n0.007 ila 0.008<\/td>\n\u2264 0.05<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Both are unambiguously Grade 5. But look at the real differences: heat 52554 runs near the top of the aluminium band (6.5%) and lower on vanadium (3.8%); heat 52556 is the opposite: leaner aluminium (6.2%) and richer vanadium (4.0%). Oxygen differs by 0.014% between them. None of this is wrong; it’s the normal scatter of two separate melts.<\/p>\n

D\u00f6k\u00fcmler neden farkl\u0131l\u0131k g\u00f6sterir<\/h2>\n

Titanyum ala\u015f\u0131m\u0131, titanyum s\u00fcngerin ana ala\u015f\u0131mla kar\u0131\u015ft\u0131r\u0131lmas\u0131 ve elektrotlar\u0131n preslenmesiyle yap\u0131l\u0131r; bunlar daha sonra genellikle iki veya \u00fc\u00e7 kez Vakum Ark Yeniden Ergitme ile eritilir. Her seferinde son say\u0131y\u0131 biraz de\u011fi\u015ftiren birka\u00e7 unsur vard\u0131r:<\/p>\n\n\n\n\n\n\n\n
Nokta<\/th>\nK\u0131lavuzun belirtti\u011fi durum<\/th>\n<\/tr>\n<\/thead>\n
Al\u00fcminyum vakum alt\u0131nda u\u00e7ucudur<\/td>\nErgitme s\u0131ras\u0131nda bir miktar al\u00fcminyum buharla\u015f\u0131r; bu nedenle kay\u0131p beklenerek \u015farjdaki miktar y\u00fcksek tutulur. Kaybedilen miktar ergitme parametrelerine g\u00f6re de\u011fi\u015fir; al\u00fcminyumun d\u00f6k\u00fcmler aras\u0131nda en \u00e7ok de\u011fi\u015fen element olmas\u0131n\u0131n nedeni budur.<\/td>\n<\/tr>\n
\u00d6n ala\u015f\u0131m ve s\u00fcnger partileri de\u011fi\u015fkenlik g\u00f6sterir<\/td>\nHer ham madde partisinin kendi kal\u0131nt\u0131 i\u00e7eri\u011fi (demir, oksijen) vard\u0131r ve bunlar nihai malzemeye ta\u015f\u0131n\u0131r.<\/td>\n<\/tr>\n
Oksijen giderilmez, seviyesi ayarlan\u0131r<\/td>\nArayer oksijeni s\u00fcnger kalitesinden ve varsa ilavelerden gelir; sonradan giderilemez, bu nedenle ba\u015flang\u0131\u00e7 d\u00fczeyi her d\u00f6k\u00fcm i\u00e7in sabittir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The mill’s job is to keep every heat inside the specification box. The ingot certificate is the proof it did, and the reason you should read the actual numbers, not just the grade line. (For how to read a single certificate end to end, see titanyum k\u00fcl\u00e7e test raporunu okuma<\/a>.)<\/p>\n

D\u00f6k\u00fcmler aras\u0131ndaki fark ne zaman \u00f6nem kazan\u0131r<\/h2>\n

\u00c7o\u011fu yap\u0131sal uygulamada ve korozyon uygulamas\u0131nda Grade 5 aral\u0131\u011f\u0131ndaki t\u00fcm malzemeler ayn\u0131 davran\u0131r ve fark\u0131 hi\u00e7 fark etmezsiniz. Bir \u00f6zellik s\u0131n\u0131r\u0131na yakla\u015ft\u0131\u011f\u0131n\u0131zda veya s\u0131k\u0131 kontrol edilen bir s\u00fcre\u00e7 y\u00fcr\u00fctt\u00fc\u011f\u00fcn\u00fczde fark \u00f6nem kazanmaya ba\u015flar:<\/p>\n\n\n\n\n\n\n\n\n
Durum<\/th>\nD\u00f6k\u00fcm neden \u00f6nemlidir<\/th>\n<\/tr>\n<\/thead>\n
Yeterlili\u011fi onaylanm\u0131\u015f kaynak prosed\u00fcr\u00fc<\/td>\nFarkl\u0131 Al\/V dengesi kaynak davran\u0131\u015f\u0131n\u0131 hafif\u00e7e de\u011fi\u015ftirebilir; baz\u0131 havac\u0131l\u0131k \u015fartnameleri dolgu ve ana metalin kontroll\u00fc d\u00f6k\u00fcmlerden gelmesini ister.<\/td>\n<\/tr>\n
Tala\u015fl\u0131 imalatta s\u0131k\u0131 tekrarlanabilirlik<\/td>\nDaha y\u00fcksek oksijen = daha y\u00fcksek dayan\u0131m = biraz daha zor kesme. Daha d\u00fc\u015f\u00fck oksijenli d\u00f6k\u00fcmden gelen tekrar sipari\u015f, kesici tak\u0131mda farkl\u0131 hissedilebilir.<\/td>\n<\/tr>\n
Yorulma \/ k\u0131r\u0131lma a\u00e7\u0131s\u0131ndan kritik par\u00e7alar<\/td>\nOksijen ve oksijen e\u015fde\u011feri toklu\u011fu belirler; ELI'nin (Grade 23) band\u0131 s\u0131k\u0131la\u015ft\u0131rmas\u0131n\u0131n nedeni budur. Bkz. titanyumda arayer elementleri<\/a>.<\/td>\n<\/tr>\n
Uzun \u00fcretim serileri<\/td>\nBir par\u00e7a belirli bir d\u00f6k\u00fcmle geli\u015ftirildiyse \u015fartnameye uygun ikinci bir d\u00f6k\u00fcmde bile kesme h\u0131z\u0131\/ilerleme veya kaynak ayarlar\u0131n\u0131n yeniden kontrol\u00fc gerekebilir.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

D\u00f6k\u00fcm de\u011fi\u015fkenli\u011finin sorun yaratmamas\u0131 i\u00e7in nas\u0131l sat\u0131n al\u0131nmal\u0131<\/h2>\n
    \n
  1. Hedef bir say\u0131 de\u011fil, standart ve kalite belirtiniz.<\/strong> “ASTM B348 Grade 5” izin verilen s\u0131n\u0131rlar\u0131 tan\u0131mlar; hakk\u0131n\u0131z olan budur. Bir sertifikada \u00f6yle yaz\u0131yor diye 6,4% Al etraf\u0131nda \u015fartname olu\u015fturmay\u0131n\u0131z.<\/li>\n
  2. Her d\u00f6k\u00fcm i\u00e7in malzeme sertifikas\u0131 isteyiniz,<\/strong> sertifikadan i\u015faretlenmi\u015f \u00e7ubu\u011fa kadar d\u00f6k\u00fcm numaras\u0131 ile izlenebilirlik ile birlikte. \u0130ki sipari\u015f, iki d\u00f6k\u00fcm, iki sertifika.<\/li>\n
  3. Ger\u00e7ekten tutarl\u0131l\u0131\u011fa ihtiyac\u0131n\u0131z varsa,<\/strong> bunu belirtiniz: t\u00fcm i\u015f i\u00e7in tek bir d\u00f6k\u00fcmden (veya tek bir k\u00fcl\u00e7eden) malzeme talep ediniz ve sipari\u015fte yaz\u0131n\u0131z. Kaynak yeterlili\u011fi onaylanm\u0131\u015f veya yorulma a\u00e7\u0131s\u0131ndan kritik i\u015fler i\u00e7in ola\u011fan bir taleptir.<\/li>\n
  4. S\u0131k\u0131 tokluk gereksinimleri i\u00e7in Grade 23 (ELI) sipari\u015f ediniz<\/strong> \u015fans eseri d\u00fc\u015f\u00fck oksijenli bir Grade 5 d\u00f6k\u00fcm\u00fcne g\u00fcvenmek yerine.<\/li>\n<\/ol>\n

    Tedarik ediyoruz Ti-6Al-4V (Grade 5) \u00e7ubuk<\/a>, plaka<\/a> ve d\u00f6vme hammaddesi<\/a> d\u00f6k\u00fcm sertifikas\u0131yla birlikte; s\u00fcreciniz gerektirdi\u011finde bir sipari\u015fi tek d\u00f6k\u00fcmle s\u0131n\u0131rland\u0131rabiliriz. Kaliteyi, standard\u0131 ve tek d\u00f6k\u00fcm veya izlenebilirlik gereksinimini birlikte g\u00f6nderiniz Talep g\u00f6nderiniz<\/a>.<\/p>\n

    S\u0131k\u00e7a Sorulan Sorular<\/h2>\n
    \n
    \nD\u00f6k\u00fcm ile parti ayn\u0131 \u015fey midir?<\/summary>\n

    Yak\u0131ndan ili\u015fkilidir: d\u00f6k\u00fcm tek bir ergitmedir (tek k\u00fcl\u00e7e veya ergitme partisi); parti ise tek sertifika alt\u0131nda grupland\u0131r\u0131lan malzemedir. \u0130zlenebilirlik, sertifikadaki kimyasal bile\u015fimin ger\u00e7ekten metalinize ait olmas\u0131 i\u00e7in \u00e7ubu\u011funuzu d\u00f6k\u00fcm\u00fcne\/k\u00fcl\u00e7esine ba\u011flar.<\/p>\n<\/details>\n

    \n\u0130ki d\u00f6k\u00fcm de \u015fartnameye uygunsa biri "daha iyi" midir?<\/summary>\n

    Not generally; both meet Grade 5. “Better” only exists relative to your application: lower oxygen for toughness, a specific Al\/V balance for a qualified weld, and so on. In spec is in spec.<\/p>\n<\/details>\n

    \nBelirli bir al\u00fcminyum veya oksijen de\u011feri talep edebilir miyim?<\/summary>\n

    Daha dar bir alt aral\u0131k veya tek d\u00f6k\u00fcm talep edebilirsiniz; ancak bu, bulunabilirli\u011fi s\u0131n\u0131rlar ve maliyeti art\u0131rabilir. \u00c7o\u011fu al\u0131c\u0131 i\u00e7in standarda g\u00f6re sipari\u015f vermek ve \u00f6nemli oldu\u011funda tek d\u00f6k\u00fcmle s\u0131n\u0131rland\u0131rmak daha uygundur.<\/p>\n<\/details>\n

    \n\u0130ki d\u00f6k\u00fcm\u00fcn\u00fcz aras\u0131nda al\u00fcminyum neden demirden daha fazla de\u011fi\u015fiyor?<\/summary>\n

    Al\u00fcminyum ergitme s\u0131ras\u0131nda vakum alt\u0131nda buharla\u015f\u0131r; bu nedenle geri kazan\u0131m oran\u0131 ergitmeden ergitmeye de\u011fi\u015fir. Demir ham maddelerle birlikte gelir ve daha dar bir aral\u0131kta kalma e\u011filimindedir.<\/p>\n<\/details>\n<\/div>\n

    \n

    Yan yana \u00f6l\u00e7\u00fclen iki Grade 5 d\u00f6k\u00fcm\u00fc<\/h2>\n

    Uygun iki d\u00f6k\u00fcm aras\u0131ndaki fark\u0131 ger\u00e7ek say\u0131larla g\u00f6rmek spesifikasyon tablosundan daha kolayd\u0131r. Ayn\u0131 ba\u011f\u0131ms\u0131z laboratuvar taraf\u0131ndan be\u015f hafta arayla analiz edilen iki Beiyu Ti-6Al-4V k\u00fcl\u00e7esi, her elementte ASTM B348 Grade 5'i ge\u00e7ti ve yine de farkl\u0131l\u0131k g\u00f6sterdi.<\/p>\n\n\n\n\n\n\n\n\n
    Element, w\/y\u00fczde<\/th>\n\u0130lk d\u00f6k\u00fcm aral\u0131\u011f\u0131<\/th>\n\u0130kinci d\u00f6k\u00fcm aral\u0131\u011f\u0131<\/th>\nGrade 5 s\u0131n\u0131r\u0131<\/th>\n<\/tr>\n<\/thead>\n
    Al\u00fcminyum<\/td>\n6.08 ile 6.18 aras\u0131<\/td>\n6.15 ile 6.34 aras\u0131<\/td>\n5.50 ile 6.75 aras\u0131<\/td>\n<\/tr>\n
    Vanadyum<\/td>\n4.17 ile 4.21 aras\u0131<\/td>\n4.22 ile 4.31 aras\u0131<\/td>\n3.50 ila 4.50<\/td>\n<\/tr>\n
    Oksijen<\/td>\n0.098 ile 0.100 aras\u0131<\/td>\n0.092 ile 0.117 aras\u0131<\/td>\n0.20 maksimum<\/td>\n<\/tr>\n
    Karbon<\/td>\n0.051 ile 0.068 aras\u0131<\/td>\n0.066 ile 0.070 aras\u0131<\/td>\n0.08 maksimum<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u0130kinci d\u00f6k\u00fcmde al\u00fcminyum ve vanadyum daha y\u00fcksek, oksijen aral\u0131\u011f\u0131 daha geni\u015fken ilk d\u00f6k\u00fcmde de\u011ferler daha d\u00fc\u015f\u00fck ve daha dard\u0131. Her ikisi de Grade 5'tir ve her ikisi de do\u011frudur. Bu nedenle sabit bir programa g\u00f6re tala\u015fl\u0131 imalat yapan veya par\u00e7as\u0131 yorulma gereklilikleri nedeniyle oksijene duyarl\u0131 olan bir al\u0131c\u0131, yaln\u0131zca sipari\u015ften ay\u0131rt edilemeyen iki malzemeyi kar\u015f\u0131la\u015ft\u0131rmaktad\u0131r. Beiyu analizi nominal bile\u015fim olarak de\u011fil, d\u00f6k\u00fcm baz\u0131nda bildirir; gelen muayenesinin bu ikisinden hangisinin geldi\u011fini g\u00f6rmesinin tek yolu budur.<\/p>\n

    Uygun iki d\u00f6k\u00fcm\u00fcn neden farkl\u0131 davranabildi\u011fi ve her birinde neyin kontrol edildi\u011fi<\/h2>\n

    D\u00f6k\u00fcm d\u00f6k\u00fcm\u00fc aras\u0131ndaki farkl\u0131l\u0131k, mekanik bir sonucu olan kimyasal bir sorudur ve bunun her iki taraf\u0131 da bir i\u015fletme uygulamas\u0131yla de\u011fil, ad\u0131 belirtilen y\u00f6ntemlerle rapor edilir. Bir d\u00f6k\u00fcm\u00fc di\u011feriyle kar\u015f\u0131la\u015ft\u0131r\u0131labilir k\u0131lan \u015fey de budur.<\/p>\n\n\n\n\n\n\n\n
    D\u00f6k\u00fcm ba\u015f\u0131na rapor edilen<\/th>\nASTM B348 taraf\u0131ndan at\u0131f yap\u0131lan y\u00f6ntem<\/th>\nFarkl\u0131l\u0131\u011f\u0131 neden y\u00f6nlendirdi\u011fi<\/th>\n<\/tr>\n<\/thead>\n
    Oksijen ve azot<\/td>\nASTM E1409<\/td>\n\u0130nterstisyel elementler, tek bir kalite i\u00e7inde mukavemeti ve s\u00fcnekli\u011fi de\u011fi\u015ftirir<\/td>\n<\/tr>\n
    Ala\u015f\u0131m bile\u015fimi<\/td>\nASTM E539 ve ASTM E2371<\/td>\nAl\u00fcminyum ve vanadyum, d\u00f6k\u00fcm\u00fc kendi band\u0131 i\u00e7inde konumland\u0131r\u0131r<\/td>\n<\/tr>\n
    \u00c7ekme \u00f6zellikleri<\/td>\nASTM E8, \u015fartnamenin belirledi\u011fi \u015fekil de\u011fi\u015ftirme h\u0131z\u0131nda, belirtilen akma dayan\u0131m\u0131na kadar 0,003 ila 0,007 in.\/in.\/min<\/td>\nYukar\u0131daki iki sat\u0131r\u0131n \u00f6l\u00e7\u00fclen sonucu<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Bir y\u00f6ntemi belirtmek, bir de\u011ferin nas\u0131l \u00fcretildi\u011fini netle\u015ftirir. Sipari\u015fin istemedi\u011fi bir muayeneyi eklemez.<\/p>\n

    Teslim edilen malzemede neyin ve hangi kapsamda incelendi\u011fi<\/h2>\n\n\n\n\n\n\n\n\n\n
    Kontrol<\/th>\nHassas ta\u015flanm\u0131\u015f \u00e7ubuk rotas\u0131nda kapsam<\/th>\n<\/tr>\n<\/thead>\n
    Ultrasonik kusur tespiti<\/td>\nLotun y\u00fczde 100'i<\/td>\n<\/tr>\n
    Girdap ak\u0131m\u0131<\/td>\nLotun y\u00fczde 100'i<\/td>\n<\/tr>\n
    Optik y\u00fczey muayenesi<\/td>\nLotun y\u00fczde 100'i<\/td>\n<\/tr>\n
    K\u0131z\u0131l\u00f6tesi lazerle \u00e7ap \u00f6l\u00e7\u00fcm\u00fc<\/td>\nLotun y\u00fczde 100'i<\/td>\n<\/tr>\n
    Do\u011frusall\u0131k<\/td>\nLotun y\u00fczde 100'i<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    Bunlar, teklif edilen hassas rotada y\u00fcr\u00fct\u00fclen kontrollerdir; bir stok beyan\u0131 olarak de\u011fil kar\u015f\u0131la\u015ft\u0131r\u0131larak de\u011ferlendirilen bir \u00fcretim kapasitesi olarak sunulur. Bir program\u0131n, kalitenin izin verdi\u011finden daha dar bir bantta tutulan d\u00f6k\u00fcmlere ihtiya\u00e7 duydu\u011fu durumlarda, bu husus sipari\u015f formu metninde yer almal\u0131d\u0131r.<\/p>\n

    <\/p>\n

    Kaynaklar\u0131yla \u015fartname ayr\u0131nt\u0131lar\u0131<\/h2>\n

    \u00dcr\u00fcn analizindeki izin verilen de\u011fi\u015fim, tek bir Ti-6Al-4V Grade 5 d\u00f6k\u00fcm\u00fcnden al\u0131nan iki sonucun yasal olarak ne kadar farkl\u0131la\u015fabilece\u011fini belirleyen maddedir. ASTM B348<\/a> allows a product check analysis to fall outside the specified composition range by defined margins, 0.15 percent for vanadium, 0.10 for iron and 0.02 for oxygen, with aluminum carrying the widest reanalysis allowance in the table, and the margin covers sampling position and analytical scatter rather than melt drift. That clause is why a buyer’s re-test can sit slightly off the mill certificate with both results valid, and why acceptance is judged against the specification box plus the variation table, not against the certificate number alone.<\/p>\n

    Beiyu Titanium d\u00f6k\u00fcmler aras\u0131 sa\u00e7\u0131lmay\u0131 ergiyikleri elle se\u00e7erek de\u011fil, prosed\u00fcrle kontrol eder: sipari\u015f kimyasal bile\u015fimi \u00fcretici fabrika kalite ak\u0131\u015f\u0131nda iki noktada, malzeme haz\u0131rl\u0131\u011f\u0131nda bir kez ve mekanik test ile i\u015faretlemeden \u00f6nce nihai numune alma a\u015famas\u0131nda tekrar kontrol edilir. Yukar\u0131da a\u00e7\u0131klanan tek d\u00f6k\u00fcm rezervasyonu teklif talebi a\u015famas\u0131nda yap\u0131l\u0131r ve Beiyu, tek d\u00f6k\u00fcm numaras\u0131 alt\u0131nda 6000 mm'ye kadar boylarda \u00e7ubuk tedarik eder; b\u00f6ylece ilk teslimatta do\u011frulanan bir kaynak prosed\u00fcr\u00fc veya tala\u015fl\u0131 imalat program\u0131, ikinci teslimatta ayn\u0131 kimyasal bile\u015fimle \u00e7al\u0131\u015f\u0131r.<\/p>\n

    <\/p>\n

    Teknik teklif talebi g\u00f6nderiniz<\/h2>\n

    Grade 5 titanyum k\u00fcl\u00e7e, k\u00fct\u00fck veya \u00e7ubuk teklif taleplerine d\u00f6k\u00fcm numaras\u0131 gereksinimini, \u00fcr\u00fcn formunu, boyutlar\u0131, tolerans\u0131, miktar\u0131 ve gerekli kimyasal bile\u015fim veya UT belgelerini ekleyiniz.<\/p>\n

    Teklif talebi ayr\u0131nt\u0131lar\u0131n\u0131 g\u00f6nderiniz<\/a><\/p>\n<\/div>\n

    \n

    \u0130lgili titanyum rehberleri<\/h2>\n