{"id":1767,"date":"2025-06-20T16:57:24","date_gmt":"2025-06-20T13:57:24","guid":{"rendered":"https:\/\/www.defencemetal.com\/?p=1767"},"modified":"2026-01-02T17:50:08","modified_gmt":"2026-01-02T14:50:08","slug":"aisi-440c-1-4125-ams-5618-ams-5630-ams-5880","status":"publish","type":"post","link":"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/20\/aisi-440c-1-4125-ams-5618-ams-5630-ams-5880\/","title":{"rendered":"AISI 440C \/ 1.4125 \/ AMS 5618 \/ AMS 5630 \/ AMS 5880"},"content":{"rendered":"<h3><b>AISI 440C<\/b><\/h3>\n<h3><b>AISI 440C Paslanmaz \u00c7eli\u011fi: Y\u00fcksek Sertlik ve A\u015f\u0131nma Direnci \u0130\u00e7in \u00d6zel Olarak Tasarlanm\u0131\u015f Bir Martensitik Ala\u015f\u0131m<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\"><b>AISI 440C<\/b><\/span>, y\u00fcksek karbon i\u00e7eri\u011fine sahip, <a href=\"https:\/\/tr.wikipedia.org\/wiki\/Martensitik_paslanmaz_%C3%A7elik#:~:text=Martensitik%20paslanmaz%20%C3%A7elik%2C%20martensit%20i%C3%A7,olup%20ferritik%20paslanmaz%20%C3%A7eliklere%20benzerler.\">martensitik<\/a> yap\u0131l\u0131, korozyona kar\u015f\u0131 diren\u00e7li ve a\u015f\u0131nmaya kar\u015f\u0131 son derece dayan\u0131kl\u0131 bir paslanmaz \u00e7elik t\u00fcr\u00fcd\u00fcr. Bu ala\u015f\u0131m, geleneksel paslanmaz \u00e7eliklerin \u00e7o\u011fundan farkl\u0131 olarak, \u00f6zellikle <span class=\"s2\"><b>sertlik<\/b><\/span>, <span class=\"s2\"><b>a\u015f\u0131nma direnci<\/b><\/span> ve <span class=\"s2\"><b>y\u00fczey kalitesi<\/b><\/span> gerektiren uygulamalarda \u00f6ne \u00e7\u0131kar. Ayn\u0131 zamanda \u0131s\u0131l i\u015flem uygulanarak <span class=\"s2\"><b>60 HRC\u2019nin \u00fczerine \u00e7\u0131kabilen sertli\u011fi<\/b><\/span> ile y\u00fcksek performans isteyen m\u00fchendislik alanlar\u0131nda tercih edilir.<\/p>\n<p class=\"p3\">Bu makalede AISI 440C\u2019nin kimyasal ve mekanik \u00f6zellikleri, uluslararas\u0131 normlarla uyumu, uygulama alanlar\u0131, avantajlar\u0131 ve dezavantajlar\u0131 teknik d\u00fczeyde ele al\u0131nacak; sat\u0131n alma kararlar\u0131 a\u00e7\u0131s\u0131ndan \u00f6nemli olabilecek terimlere do\u011fal bi\u00e7imde yer verilecektir.<\/p>\n<hr \/>\n<h3><b>AISI 440C Kimyasal Kompozisyonu ve Mikro Yap\u0131 \u00d6zellikleri<\/b><\/h3>\n<p class=\"p3\">AISI 440C, <a href=\"https:\/\/www.defencemetal.com\/index.php\/martenzitik-celikler\/\">martensitik paslanmaz<\/a> \u00e7elik s\u0131n\u0131f\u0131n\u0131n en y\u00fcksek karbon i\u00e7eri\u011fine sahip \u00fcyelerinden biridir. Bu y\u00fcksek karbon oran\u0131, \u00f6zellikle \u0131s\u0131l i\u015flem sonras\u0131nda \u00e7eli\u011fe ola\u011fan\u00fcst\u00fc sertlik kazand\u0131r\u0131r.<\/p>\n<p class=\"p4\"><b>Tipik kimyasal bile\u015fimi:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>Karbon (C)<\/b><\/span>: %0.95 \u2013 %1.20<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Krom (Cr)<\/b><\/span>: %16.0 \u2013 %18.0<\/li>\n<li class=\"p1\"><b>Manganez (Mn)<\/b><span class=\"s1\">: Maks. %1.0<\/span><\/li>\n<li class=\"p1\"><b>Silisyum (Si)<\/b><span class=\"s1\">: Maks. %1.0<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Molibden (Mo)<\/b><\/span>: Maks. %0.75<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Fosfor (P)<\/b><\/span>: Maks. %0.04<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>K\u00fck\u00fcrt (S)<\/b><\/span>: Maks. %0.03<\/li>\n<\/ul>\n<p class=\"p3\">Y\u00fcksek karbon miktar\u0131, \u00f6zellikle sert y\u00fczey ihtiyac\u0131n\u0131 kar\u015f\u0131layan uygulamalarda b\u00fcy\u00fck avantaj sunarken, krom i\u00e7eri\u011fi ise orta seviyede korozyon direnci sa\u011flar. Ancak bu ala\u015f\u0131m\u0131n esas ba\u015far\u0131s\u0131, y\u00fczey sertli\u011fini korurken a\u015f\u0131nd\u0131r\u0131c\u0131 ortamlarda \u00fcst\u00fcn performans g\u00f6stermesidir.<\/p>\n<hr \/>\n<h3><b>AISI 440C Is\u0131l \u0130\u015flem ve Mekanik \u00d6zellikleri<\/b><\/h3>\n<p class=\"p3\">AISI 440C, uygun \u0131s\u0131l i\u015flem ile <span class=\"s2\"><b>maksimum 60-62 HRC<\/b><\/span> seviyesine kadar sertle\u015ftirilebilen nadir paslanmaz \u00e7elik t\u00fcrlerinden biridir. Bu nedenle \u201cAISI 440C heat treated\u201d veya \u201c440C hardened stainless round bar\u201d gibi ifadeler, sat\u0131n alma s\u00fcrecinde teknik gereksinimlerin tan\u0131mlanmas\u0131nda \u00f6nemli rol oynar.<\/p>\n<p class=\"p4\"><b>Tipik \u0131s\u0131l i\u015flem parametreleri:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\"><b>Austenitle\u015ftirme s\u0131cakl\u0131\u011f\u0131<\/b><span class=\"s1\">: 1010 \u2013 1065 \u00b0C<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>So\u011futma ortam\u0131<\/b><\/span>: Hava ya da ya\u011f<\/li>\n<li class=\"p1\"><b>Temperleme s\u0131cakl\u0131\u011f\u0131<\/b><span class=\"s1\">: 150 \u2013 250 \u00b0C<\/span><\/li>\n<\/ul>\n<p class=\"p4\"><b>Is\u0131l i\u015flem sonras\u0131 mekanik \u00f6zellikler:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\"><b>\u00c7ekme dayan\u0131m\u0131 (UTS)<\/b><span class=\"s1\">: 760 \u2013 1950 MPa<\/span><\/li>\n<li class=\"p1\"><b>Akma dayan\u0131m\u0131 (0.2% offset)<\/b><span class=\"s1\">: 450 \u2013 1700 MPa<\/span><\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Sertlik<\/b><\/span>: 58 \u2013 62 HRC<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>Uzama<\/b><\/span>: %2 \u2013 5 (k\u0131r\u0131lgan yap\u0131dan dolay\u0131 d\u00fc\u015f\u00fckt\u00fcr)<\/li>\n<li class=\"p1\"><b>A\u015f\u0131nma direnci<\/b><span class=\"s1\">: \u00c7ok y\u00fcksek<\/span><\/li>\n<\/ul>\n<p class=\"p3\">Bu \u00f6zellikler, AISI 440C\u2019yi y\u00fcksek hassasiyet ve y\u00fczey dayan\u0131m\u0131 isteyen kal\u0131p par\u00e7alar\u0131, bilyal\u0131 rulmanlar, b\u0131\u00e7aklar ve vana bile\u015fenleri gibi uygulamalar i\u00e7in ideal k\u0131lar.<\/p>\n<hr \/>\n<h3><b>ASTM, AMS ve Di\u011fer Uluslararas\u0131 Standartlar<\/b><\/h3>\n<p class=\"p3\">AISI 440C paslanmaz \u00e7eli\u011fi, \u00e7e\u015fitli end\u00fcstri standartlar\u0131nda tan\u0131mlanm\u0131\u015ft\u0131r. Malzeme tedariki ve kalite kontrol a\u00e7\u0131s\u0131ndan bu normlara uygunluk hayati \u00f6neme sahiptir.<\/p>\n<p class=\"p4\"><b>ASTM Standartlar\u0131:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM A276<\/b><\/span> \u2013 \u00c7ubuk ve profil \u00fcr\u00fcnler<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM A479<\/b><\/span> \u2013 Bas\u0131n\u00e7l\u0131 kaplar i\u00e7in \u00e7ubuk \u00fcr\u00fcnler<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM A314<\/b><\/span> \u2013 Genel ama\u00e7l\u0131 paslanmaz \u00e7ubuklar<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>ASTM A582<\/b><\/span> \u2013 Tak\u0131m par\u00e7alar\u0131 i\u00e7in preslenmi\u015f \u00e7ubuk \u00fcr\u00fcnler<\/li>\n<\/ul>\n<p class=\"p4\"><b>AMS Standartlar\u0131:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\"><span class=\"s1\"><b>AMS 5630<\/b><\/span> \u2013 Tavl\u0131 durumdaki AISI 440C \u00e7ubuk \u00fcr\u00fcnleri<\/li>\n<li class=\"p1\"><span class=\"s1\"><b>AMS 5880<\/b><\/span> \u2013 U\u00e7ak yap\u0131lar\u0131nda kullan\u0131lmak \u00fczere sertle\u015ftirilmi\u015f 440C \u00e7elikler<\/li>\n<\/ul>\n<p class=\"p4\"><b>DIN \/ EN Kar\u015f\u0131l\u0131\u011f\u0131:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\"><b>DIN 1.4125 \/ X105CrMo17<\/b><\/li>\n<li class=\"p1\"><b><\/b><span class=\"s1\"><b>EN 10088-1<\/b><\/span> standard\u0131na uygun<\/li>\n<\/ul>\n<p class=\"p3\">Bu standartlar, \u00f6zellikle <span class=\"s2\"><b>hava uzay, savunma sanayi, hassas m\u00fchendislik ve otomotiv<\/b><\/span> gibi sekt\u00f6rlerde kalite g\u00fcvenli\u011fi a\u00e7\u0131s\u0131ndan \u00f6nemlidir. Proje ve sat\u0131n alma evraklar\u0131nda s\u0131kl\u0131kla \u201cAMS 5630 440C bar\u201d ya da \u201cASTM A276 440C shaft\u201d gibi teknik ifadeler yer al\u0131r.<\/p>\n<hr \/>\n<h3><b>AISI 440C\u2019nin Kullan\u0131m Alanlar\u0131<\/b><\/h3>\n<p class=\"p3\">AISI 440C\u2019nin <span class=\"s2\"><b>y\u00fcksek y\u00fczey sertli\u011fi ve a\u015f\u0131nma direnci<\/b><\/span>, onu \u00f6zellikle a\u015fa\u011f\u0131daki sekt\u00f6rlerde vazge\u00e7ilmez k\u0131lar:<\/p>\n<ul>\n<li class=\"p4\"><b>Rulman ve Yatak Sistemleri: <\/b>Bilyal\u0131 rulmanlar, makaral\u0131 yataklar ve hassas d\u00f6nme elemanlar\u0131nda, hem mekanik y\u00fck alt\u0131nda \u00e7al\u0131\u015fan hem de d\u00fc\u015f\u00fck s\u00fcrt\u00fcnme isteyen sistemlerde tercih edilir.<\/li>\n<li class=\"p4\"><b>Kesici Tak\u0131mlar ve End\u00fcstriyel B\u0131\u00e7aklar: <\/b>Metal, plastik ve ka\u011f\u0131t kesimi yapan end\u00fcstriyel b\u0131\u00e7aklar; 440C\u2019nin y\u00fcksek sertli\u011finden ve kenar tutma kabiliyetinden faydalan\u0131r.<\/li>\n<li class=\"p4\"><b>Kal\u0131p ve \u015eekillendirme Par\u00e7alar\u0131: <\/b>Enjeksiyon kal\u0131plar\u0131, pres kal\u0131plar\u0131 ve \u015fekillendirme ekipmanlar\u0131 i\u00e7in y\u00fczey dayan\u0131m\u0131 y\u00fcksek malzeme aray\u0131\u015f\u0131nda olan firmalar, genellikle \u201c440C kal\u0131p \u00e7eli\u011fi fiyat\u0131\u201d ara\u015ft\u0131rmas\u0131 yapar.<\/li>\n<li class=\"p4\"><b>Havac\u0131l\u0131k ve Savunma Sanayi: <\/b>Hassas toleransl\u0131 ve y\u00fcksek y\u00fck ta\u015f\u0131yan par\u00e7alar (mil, pim, valf) i\u00e7in AMS belgeli 440C \u00fcr\u00fcnler tercih edilir.<\/li>\n<li class=\"p4\"><b>G\u0131da \u0130\u015fleme ve T\u0131bbi Aletler: <\/b>Paslanmaya kar\u015f\u0131 makul direnci ve m\u00fckemmel kenar keskinli\u011fi sayesinde b\u0131\u00e7aklar ve sterilize edilebilir cerrahi ekipmanlarda kullan\u0131l\u0131r.<\/li>\n<\/ul>\n<hr \/>\n<h3><b>Avantajlar\u0131 ve Dezavantajlar\u0131<\/b><\/h3>\n<p class=\"p4\"><b>Avantajlar:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\">60 HRC\u2019nin \u00fczerindeki sertli\u011fiyle ola\u011fan\u00fcst\u00fc a\u015f\u0131nma direnci<\/li>\n<li class=\"p1\">Is\u0131l i\u015flemle m\u00fckemmel y\u00fczey dayan\u0131m\u0131<\/li>\n<li class=\"p1\">Orta d\u00fczeyde korozyon direnci<\/li>\n<li class=\"p1\">Parlat\u0131labilirli\u011fi sayesinde estetik y\u00fczey elde edilebilir<\/li>\n<li class=\"p1\">\u00c7ok d\u00fc\u015f\u00fck deformasyonla i\u015flenebilir<\/li>\n<\/ul>\n<p class=\"p4\"><b>Dezavantajlar:<\/b><b><\/b><\/p>\n<ul>\n<li class=\"p1\">K\u0131r\u0131lgan yap\u0131s\u0131 nedeniyle darbe y\u00fcklerine uygun de\u011fildir<\/li>\n<li class=\"p1\">Kaynaklanabilirli\u011fi d\u00fc\u015f\u00fckt\u00fcr<\/li>\n<li class=\"p1\">S\u00fcnekli\u011fi olduk\u00e7a s\u0131n\u0131rl\u0131d\u0131r (\u00f6zellikle sertle\u015ftirilmi\u015f durumda)<\/li>\n<li class=\"p1\">Klorlu ortamlarda \u00e7ukur korozyon riski<\/li>\n<li class=\"p1\">Derin kesme operasyonlar\u0131nda tak\u0131m a\u015f\u0131nmas\u0131na neden olabilir<\/li>\n<\/ul>\n<hr \/>\n<h3><b>Sat\u0131n Alma ve Lojistik Kriterleri<\/b><\/h3>\n<p class=\"p3\">Ticari pazarda AISI 440C, genellikle <span class=\"s2\"><b>tavl\u0131<\/b><\/span>, <span class=\"s2\"><b>sertle\u015ftirilmi\u015f<\/b><\/span> ya da <span class=\"s2\"><b>yar\u0131 i\u015flenmi\u015f<\/b><\/span> formda \u00e7ubuk (round bar), lama (flat bar) veya plaka (plate) olarak tedarik edilir.\u00a0<span class=\"s2\"><b>\u0130thalat s\u00fcre\u00e7lerinde<\/b><\/span> genellikle <span class=\"s2\"><b>7222.20 GTIP (HS Code)<\/b><\/span> alt\u0131nda de\u011ferlendirilir ve <span class=\"s2\"><b>TSE belgesi ya da EN 10204 3.1 sertifikas\u0131<\/b><\/span> istenebilir.<\/p>\n<hr \/>\n<h3><b>Sonu\u00e7<\/b><\/h3>\n<p class=\"p3\"><span class=\"s2\"><b>AISI 440C<\/b><\/span>, martensitik paslanmaz \u00e7elik ailesi i\u00e7inde en sert ve a\u015f\u0131nmaya kar\u015f\u0131 en diren\u00e7li malzeme t\u00fcrlerinden biridir. Ancak bu sertlik ve mukavemet, onu sadece belirli uygulamalar i\u00e7in uygun hale getirir. Hassas rulmanlar, kesici tak\u0131mlar ve kal\u0131plar gibi y\u00fcksek y\u00fczey dayan\u0131m\u0131 gerektiren par\u00e7alarda, do\u011fru \u0131s\u0131l i\u015flem ve dikkatli i\u015fleme ile uzun \u00f6m\u00fcrl\u00fc ve g\u00fcvenilir \u00e7\u00f6z\u00fcmler sunar.<\/p>\n<p class=\"p3\">Proje ve sat\u0131n alma s\u00fcre\u00e7lerinde <span class=\"s2\"><b>ASTM A276, AMS 5630 veya DIN 1.4125<\/b><\/span> standartlar\u0131na uygunluk aramak, kalite ve performans a\u00e7\u0131s\u0131ndan g\u00fcvenli bir yat\u0131r\u0131m sa\u011flar.<\/p>\n<h5 class=\"p3\"><span class=\"s1\"><b>#ASTMA276<br \/>\n<\/b><\/span><span class=\"s1\"><b>#ASTMA479<br \/>\n#<\/b><\/span><span class=\"s1\"><b>ASTMA314<br \/>\n#<\/b><\/span><span class=\"s1\"><b>ASTMA582<br \/>\n#<\/b><\/span><span class=\"s1\"><b>AMS5630<br \/>\n#<\/b><\/span><span class=\"s1\"><b>AMS5880<br \/>\n#<\/b><\/span><b>DIN1.4125<br \/>\n<span class=\"s1\">#<\/span>X105CrMo17<br \/>\n<span class=\"s1\">#<\/span><\/b><b><\/b><span class=\"s1\"><b>EN10088<\/b><\/span><\/h5>\n","protected":false},"excerpt":{"rendered":"<p>AISI 440C AISI 440C Paslanmaz \u00c7eli\u011fi: Y\u00fcksek Sertlik ve A\u015f\u0131nma Direnci \u0130\u00e7in \u00d6zel Olarak Tasarlanm\u0131\u015f Bir Martensitik Ala\u015f\u0131m AISI 440C, y\u00fcksek karbon i\u00e7eri\u011fine sahip, martensitik yap\u0131l\u0131, korozyona kar\u015f\u0131 diren\u00e7li ve a\u015f\u0131nmaya kar\u015f\u0131 son derece dayan\u0131kl\u0131 bir paslanmaz \u00e7elik t\u00fcr\u00fcd\u00fcr. Bu ala\u015f\u0131m, geleneksel paslanmaz \u00e7eliklerin \u00e7o\u011fundan farkl\u0131 olarak, \u00f6zellikle sertlik, a\u015f\u0131nma direnci ve y\u00fczey kalitesi gerektiren &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/www.defencemetal.com\/index.php\/2025\/06\/20\/aisi-440c-1-4125-ams-5618-ams-5630-ams-5880\/\" class=\"more-link\"><span class=\"screen-reader-text\"> &#8220;AISI 440C \/ 1.4125 \/ AMS 5618 \/ AMS 5630 \/ AMS 5880&#8221;<\/span>devam\u0131n\u0131 oku<\/a><\/p>\n","protected":false},"author":1,"featured_media":2148,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1767","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-genel"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.8 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>AISI 440C \/ 1.4125 \/ AMS 5618 \/ AMS 5630 \/ AMS 5880 - Defence Metal<\/title>\n<meta name=\"description\" content=\"AISI 440C, \u00f6zellikle sertlik, a\u015f\u0131nma direnci ve y\u00fczey kalitesi gerektiren uygulamalarda \u00f6ne \u00e7\u0131kar. 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