{"id":1907,"date":"2025-06-25T11:52:29","date_gmt":"2025-06-25T08:52:29","guid":{"rendered":"https:\/\/www.defencemetal.com\/?p=1907"},"modified":"2026-09-15T15:50:01","modified_gmt":"2026-09-15T12:50:01","slug":"tungsten-astm-b760-astm-b777","status":"publish","type":"post","link":"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/25\/tungsten-astm-b760-astm-b777\/","title":{"rendered":"TUNGSTEN \/ ASTM B760 \/ ASTM B777"},"content":{"rendered":"<h3><b>Tungsten (Wolfram, W): A\u015f\u0131r\u0131 S\u0131cakl\u0131k ve Yo\u011funluk Gerektiren Uygulamalar \u0130\u00e7in Stratejik Bir Refrakter Metal<\/b><\/h3>\n<h3><b>Element \u00d6zellikleri ve Kimyasal Tan\u0131m<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\">Tungsten<\/span>, periyodik tabloda atom numaras\u0131 74 olan, gri-beyaz renkte, son derece sert, yo\u011fun ve y\u00fcksek erime noktas\u0131na sahip <span class=\"s2\"><a href=\"https:\/\/en.wikipedia.org\/wiki\/Refractory\">refrakter<\/a> bir ge\u00e7i\u015f metalidir<\/span>. Sembol\u00fc <span class=\"s2\">W<\/span>, \u0130ngilizce\u2019de \u201cTungsten\u201d olarak adland\u0131r\u0131lsa da, Almanca k\u00f6kenli \u201cWolfram\u201d ismi uluslararas\u0131 metal\u00fcrji literat\u00fcr\u00fcnde yayg\u0131n olarak kullan\u0131l\u0131r.<\/p>\n<p class=\"p3\">Bu metal, do\u011fada serbest halde bulunmaz; genellikle <span class=\"s2\">scheelite (CaWO\u2084)<\/span> ve <span class=\"s2\">wolframite ((Fe,Mn)WO\u2084)<\/span> minerallerinden elde edilir.<\/p>\n<hr \/>\n<h3><b>Tungsten <\/b><b>Standartlar\u0131 ve Spesifikasyonlar\u0131<\/b><\/h3>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM B760<\/b><\/span> \u2013\u00a0 levhalar, plakalar ve \u015feritler<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM B777<\/b><\/span> \u2013\u00a0 a\u011f\u0131r ala\u015f\u0131mlar\u0131 (tungsten-nikel-demir gibi)<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM F288<\/b><\/span> \u2013 Elektronik ve vakum cihazlar\u0131nda kullan\u0131lan tungsten<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ISO 6841, ISO 6842<\/b><\/span> \u2013 Sinterlenmi\u015f tungsten \u00fcr\u00fcnleri<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>MIL-T-21014<\/b><\/span> \u2013 Askeri ve havac\u0131l\u0131kta kullan\u0131lan tungsten bile\u015fenler<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>UNS R07005 \u2013 R07031<\/b><\/span> \u2013\u00a0 numaraland\u0131rma sistemi<\/li>\n<\/ul>\n<hr \/>\n<h3><b>Tungsten <\/b><b>Fiziksel ve Mekanik \u00d6zellikleri<\/b><\/h3>\n<p class=\"p3\">Do\u011fadaki t\u00fcm metaller aras\u0131nda <span class=\"s2\"><b>en y\u00fcksek erime noktas\u0131na<\/b><\/span> sahip olmas\u0131yla \u00f6ne \u00e7\u0131kar. Ayn\u0131 zamanda y\u00fcksek yo\u011funlu\u011fu ve d\u00fc\u015f\u00fck genle\u015fme katsay\u0131s\u0131 sayesinde ileri m\u00fchendislik uygulamalar\u0131nda ideal bir malzemedir.<\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Erime Noktas\u0131:<\/b><\/span> 3422 \u00b0C (en y\u00fcksek erime noktas\u0131na sahip element)<\/li>\n<li class=\"p1\"><b>Kaynama Noktas\u0131:<\/b><span class=\"s1\"> ~5555 \u00b0C<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Yo\u011funluk:<\/b><\/span> 19.3 g\/cm\u00b3 (alt\u0131n\u0131nkiyle neredeyse e\u015fit)<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Brinell Sertli\u011fi:<\/b><\/span> ~350 HB (saf), sinterlenmi\u015f formlarda daha y\u00fcksek<\/li>\n<li class=\"p1\"><b>Elastik Mod\u00fcl:<\/b><span class=\"s1\"> ~400 GPa<\/span><\/li>\n<li class=\"p1\"><b>Is\u0131l \u0130letkenlik:<\/b><span class=\"s1\"> ~173 W\/m\u00b7K<\/span><\/li>\n<li class=\"p1\"><b>Elektriksel Diren\u00e7:<\/b><span class=\"s1\"> 5.6 \u00b5\u03a9\u00b7cm<\/span><\/li>\n<li class=\"p1\"><b>Termal Genle\u015fme Katsay\u0131s\u0131:<\/b><span class=\"s1\"> 4.5 \u00b5m\/m\u00b7K (\u00e7ok d\u00fc\u015f\u00fckt\u00fcr)<\/span><\/li>\n<\/ul>\n<p class=\"p3\"><span class=\"s2\"><b>Kristal yap\u0131:<\/b><\/span> BCC (Body-Centered Cubic)<\/p>\n<p class=\"p3\"><span class=\"s2\"><b>\u0130\u015flenebilirlik:<\/b><\/span> So\u011fuk i\u015fleme uygun de\u011fil; \u00e7o\u011funlukla <span class=\"s2\"><b>toz metalurjisi<\/b><\/span> yoluyla sinterlenir.<\/p>\n<hr \/>\n<h3><b>Ticari \u0130simleri<\/b><\/h3>\n<p class=\"p3\">Nadiren saf halde kullan\u0131l\u0131r; \u00e7o\u011funlukla <span class=\"s2\"><b>tungsten a\u011f\u0131r ala\u015f\u0131mlar\u0131<\/b><\/span> (WHA \u2013 Tungsten Heavy Alloys) olarak a\u015fa\u011f\u0131daki sistemlerde kar\u015f\u0131m\u0131za \u00e7\u0131kar:<\/p>\n<ul>\n<li class=\"p1\"><b>W-Ni-Fe (Wolfram-Nikel-Demir)<\/b><\/li>\n<li class=\"p1\"><b><\/b><b>W-Ni-Cu (Wolfram-Nikel-Bak\u0131r)<\/b><\/li>\n<li class=\"p1\"><b><\/b><span class=\"s1\"><b>WC (Tungsten Karb\u00fcr)<\/b><\/span> \u2013 Tak\u0131m \u00e7eli\u011fi ve sert metal end\u00fcstrisinin belkemi\u011fi<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Thoriated Tungsten (W-ThO\u2082)<\/b><\/span> \u2013 Elektron emisyonunda kullan\u0131l\u0131r<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Lanthanated\/ Ceriated Tungsten<\/b><\/span> \u2013 TIG kaynak elektrotlar\u0131 i\u00e7in<\/li>\n<\/ul>\n<h3 class=\"p3\">Ticari olarak yayg\u0131n adlar\u0131:<\/h3>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Densalloy\u00ae<\/b><\/span> \u2013 Savunma ve balistik uygulamalar<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Mallory\u00ae 1000<\/b><\/span> \u2013 Vibrasyon dengeleyiciler<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Hevimet\u00ae<\/b><\/span> \u2013 Havac\u0131l\u0131k ve n\u00fckleer end\u00fcstrisi<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>MegaTungsten\u2122<\/b><\/span> \u2013 \u00d6zel y\u00fcksek yo\u011funluklu uygulamalar i\u00e7in<\/li>\n<\/ul>\n<hr \/>\n<h3><b>Uygulama Alanlar\u0131<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\">\u00c7<\/span>ok \u00f6zel fiziksel ve mekanik taleplerin bulundu\u011fu sekt\u00f6rlerde tercih edilir:<\/p>\n<p class=\"p1\"><b>1.Savunma Sanayi ve Balistik Sistemler<\/b><b><\/b><\/p>\n<p class=\"p1\">#Z\u0131rh delici m\u00fchimmat \u00e7ekirdekleri<br \/>\n#Radyasyon s\u00f6n\u00fcmleyici kalkanlar<br \/>\n#Par\u00e7alanmayan kinetik enerjili m\u00fchimmat<\/p>\n<p class=\"p1\"><b>2.Havac\u0131l\u0131k ve Uzay End\u00fcstrisi<\/b><b><\/b><\/p>\n<p class=\"p1\">#Y\u00fcksek s\u0131cakl\u0131\u011fa dayan\u0131kl\u0131 jet motor par\u00e7alar\u0131<br \/>\n#S\u0131cakl\u0131k kompanzat\u00f6rleri ve dengeleyici a\u011f\u0131rl\u0131klar<\/p>\n<p class=\"p1\"><b>3.N\u00fckleer Enerji Sistemleri<\/b><b><\/b><\/p>\n<p class=\"p1\">#Y\u00fcksek yo\u011funluklu radyasyon bariyerleri<br \/>\n#Tokamak ve f\u00fczyon reakt\u00f6r\u00fc bile\u015fenleri<\/p>\n<p class=\"p1\"><b>4.Elektrik ve Elektronik<\/b><b><\/b><\/p>\n<p class=\"p1\">#Vakum t\u00fcp elektrotlar\u0131<br \/>\n#X-ray t\u00fcplerinde anot ve hedef<br \/>\n3Filament telleri (Tungsten\u2019in bu ama\u00e7la ilk kullan\u0131m\u0131 Edison zaman\u0131na uzan\u0131r)<\/p>\n<p class=\"p1\"><b>5.Kaynak Teknolojisi<\/b><b><\/b><\/p>\n<p class=\"p1\">#TIG kaynak elektrotlar\u0131 (Thoriated, Ceriated, Lanthanated Tungsten \u00e7e\u015fitleri)<br \/>\n#Ark stabilitesi ve \u0131s\u0131 dayan\u0131m\u0131 sayesinde tercih edilir<\/p>\n<p class=\"p1\"><b>6.Tak\u0131m Tezgahlar\u0131 ve Metal \u0130\u015fleme<\/b><b><\/b><\/p>\n<p class=\"p1\"><span class=\"s1\">#Tungsten Karb\u00fcr (WC):<\/span> Freze, matkap, kesici u\u00e7 ve kal\u0131p \u00fcretimi<br \/>\n#Sertlik ve a\u015f\u0131nma direnci a\u00e7\u0131s\u0131ndan vazge\u00e7ilmezdir<\/p>\n<hr \/>\n<h3><b>Avantajlar<\/b><\/h3>\n<ul>\n<li class=\"p1\"><b>A\u015f\u0131r\u0131 Y\u00fcksek Erime Noktas\u0131: <\/b>3000 \u00b0C\u2019nin \u00fczerindeki uygulamalar i\u00e7in e\u015fsizdir.<\/li>\n<li class=\"p1\"><b>Y\u00fcksek Yo\u011funluk: <\/b>Radyasyon z\u0131rh\u0131, kar\u015f\u0131 a\u011f\u0131rl\u0131klar ve kinetik enerji m\u00fchimmatlar\u0131 i\u00e7in idealdir.<\/li>\n<li class=\"p1\"><b>S\u0131cakl\u0131k Stabilitesi: <\/b>\u00d6zellikle vakum ortamlar\u0131nda uzun s\u00fcreli kararl\u0131l\u0131k sa\u011flar.<\/li>\n<li class=\"p1\"><b>Elektriksel ve Termal \u0130letkenlik: <\/b>Is\u0131 ve elektron transferinde etkin performans g\u00f6sterir.<\/li>\n<li class=\"p1\"><b>A\u015f\u0131nma ve Korozyon Direnci: <\/b>\u00d6zellikle tungsten karb\u00fcr formlarda \u00e7ok y\u00fcksektir.<\/li>\n<\/ul>\n<hr \/>\n<h3><b>Dezavantajlar<\/b><\/h3>\n<ul>\n<li class=\"p1\"><b>Zor \u0130\u015flenebilirlik: <\/b>Y\u00fcksek sertli\u011fi ve k\u0131r\u0131lganl\u0131\u011f\u0131 nedeniyle tala\u015fl\u0131 imalata uygun de\u011fildir. Sinterleme gerektirir.<\/li>\n<li class=\"p1\"><b>Hacimli ve K\u0131r\u0131lgan: <\/b>\u00d6zellikle saf tungsten, darbe alt\u0131nda k\u0131r\u0131lgan davran\u0131\u015f g\u00f6sterebilir.<\/li>\n<li class=\"p1\"><b>Y\u00fcksek Maliyet: <\/b>Cevher \u00e7\u0131kar\u0131m\u0131, safla\u015ft\u0131rma ve i\u015fleme s\u00fcre\u00e7leri nedeniyle pahal\u0131 bir metaldir.<\/li>\n<li class=\"p1\"><b>Kaynak Edilemezlik: <\/b>Kaynakla birle\u015ftirme \u00e7ok zordur; \u00f6zel ba\u011flant\u0131 teknikleri gerekir.<\/li>\n<\/ul>\n<hr \/>\n<h3><b>Sonu\u00e7 ve M\u00fchendislik De\u011ferlendirme<\/b><\/h3>\n<p class=\"p3\">Modern m\u00fchendisli\u011fin u\u00e7 noktalar\u0131nda, \u00f6zellikle a\u015f\u0131r\u0131 s\u0131cakl\u0131k, yo\u011funluk veya radyasyon direnci gerektiren uygulamalarda rakipsiz bir malzemedir. \u00c7o\u011fu metalin i\u015flevsiz kald\u0131\u011f\u0131 ortamlar i\u00e7in stratejik \u00e7\u00f6z\u00fcmler sunar. Ancak y\u00fcksek maliyeti, zor i\u015flenebilirli\u011fi ve kaynak zorluklar\u0131 nedeniyle, yaln\u0131zca performans\u0131n \u00f6ncelikli oldu\u011fu projelerde tercih edilir.<\/p>\n<p class=\"p3\">Bu ba\u011flamda , <span class=\"s2\"><b>savunma sanayiinden n\u00fckleer teknolojiye, uzay ara\u015ft\u0131rmalar\u0131ndan t\u0131bbi radyolojiye kadar<\/b><\/span> \u00e7ok geni\u015f ve teknik olarak kritik alanlarda kullan\u0131lan, m\u00fchendislik de\u011feri y\u00fcksek bir elementtir.<\/p>\n<p>&nbsp;<\/p>\n<h5><span class=\"s1\"><b>#ASTMB760<\/b><\/span><br \/>\n<span class=\"s1\"><b>#ASTMB777<\/b><\/span><br \/>\n<span class=\"s1\"><b>#ASTMF288<\/b><\/span><br \/>\n<span class=\"s1\"><b>#ISO6841<\/b><\/span><br \/>\n<span class=\"s1\"><b>#MIL-T-21014<\/b><\/span><br \/>\n<span class=\"s1\"><b>#UNSR07005<\/b><\/span><\/h5>\n<p><!-- dm-ic-baglanti --><\/p>\n<div class=\"dm-ic-baglanti\" style=\"margin:28px 0 0;border:1px solid #e0e0e0;border-left:4px solid #DD3333;background:#FAFAFA;padding:16px 18px;\">\n<p style=\"font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:#DD3333;margin:0 0 6px;line-height:1.4;\">Bu malzemeyi tedarik ediyoruz<\/p>\n<p style=\"margin:0 0 12px;font-size:15px;line-height:1.65;color:#333;\">Tungsten tedarik ediyoruz \u2014 ASTM B760 ve ASTM B777 standartlar\u0131nda, istenen \u00f6l\u00e7\u00fc ve formda. Stok durumu ve fiyat i\u00e7in bize ula\u015f\u0131n.<\/p>\n<p><a href=\"https:\/\/www.defencemetal.com\/index.php\/bize-ulasin\/\" style=\"display:inline-block;color:#ffffff;background:#24BEE5;text-decoration:none;font-weight:600;font-size:14px;padding:10px 17px;line-height:1.2;\">Teklif isteyin &rarr;<\/a>\n<\/div>\n<p><!-- \/dm-ic-baglanti --><\/p>\n<p><!-- dm-benzer --><\/p>\n<div class=\"dm-benzer\" style=\"margin:22px 0 0;padding:14px 16px;border:1px solid #e0e0e0;background:#FBFCFD;\">\n<p style=\"font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#9aa3a8;margin:0 0 8px;line-height:1.4;\">Benzer \u00fcr\u00fcnler<\/p>\n<p style=\"margin:0;font-size:15px;line-height:2;color:#333;\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/nikel-200\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Nikel 200<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/nikel-201\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Nikel 201<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/invar-36\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Invar 36<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/24\/kovar-1-3981-astm-f15\/\" style=\"color:#24BEE5;font-weight:600;text-decoration:none;\">Kovar<\/a> &nbsp;\u00b7&nbsp; <a href=\"https:\/\/www.defencemetal.com\/index.php\/urunler\/\" style=\"color:#666;font-weight:600;text-decoration:none;\">T\u00fcm \u00fcr\u00fcnler &rarr;<\/a><\/p>\n<\/div>\n<p><!-- \/dm-benzer --><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tungsten (Wolfram, W): A\u015f\u0131r\u0131 S\u0131cakl\u0131k ve Yo\u011funluk Gerektiren Uygulamalar \u0130\u00e7in Stratejik Bir Refrakter Metal Element \u00d6zellikleri ve Kimyasal Tan\u0131m Tungsten, periyodik tabloda atom numaras\u0131 74 olan, gri-beyaz renkte, son derece sert, yo\u011fun ve y\u00fcksek erime noktas\u0131na sahip refrakter bir ge\u00e7i\u015f metalidir. Sembol\u00fc W, \u0130ngilizce\u2019de \u201cTungsten\u201d olarak adland\u0131r\u0131lsa da, Almanca k\u00f6kenli \u201cWolfram\u201d ismi uluslararas\u0131 metal\u00fcrji literat\u00fcr\u00fcnde &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/25\/tungsten-astm-b760-astm-b777\/\" class=\"more-link\"><span class=\"screen-reader-text\"> &#8220;TUNGSTEN \/ ASTM B760 \/ ASTM B777&#8221;<\/span>devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":2108,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1907","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Tungsten \/ Wolfram | ASTM B760 \/ B777 | Defence Metal<\/title>\n<meta name=\"description\" content=\"Tungsten (Wolfram, W): 3422 \u00b0C erime noktas\u0131, 19,3 g\/cm\u00b3 yo\u011funluk. 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