{"id":9448,"date":"2025-12-25T17:13:40","date_gmt":"2025-12-25T09:13:40","guid":{"rendered":"https:\/\/www.cncmachiningshops.com\/?p=9448"},"modified":"2026-01-01T10:24:24","modified_gmt":"2026-01-01T02:24:24","slug":"17-4-ph-stainless-steel","status":"publish","type":"post","link":"https:\/\/www.cncmachiningshops.com\/tr\/17-4-ph-stainless-steel\/","title":{"rendered":"17-4 PH Paslanmaz \u00c7elik Nedir? \u00d6zellikleri, Is\u0131l \u0130\u015flemi, \u0130\u015flenmesi ve M\u00fchendislik Uygulamalar\u0131"},"content":{"rendered":"
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17-4 PH paslanmaz \u00e7elik (UNS S17400), normal \u00f6stenitik kalitelerin (304 gibi) korozyon direnci ile martensitik tak\u0131m \u00e7eliklerinin a\u015f\u0131r\u0131 mukavemeti aras\u0131nda yer alan benzersiz ve \u00f6nemli bir malzemedir.<\/span><\/p>\n

M\u00fchendisler \u201c17-4 PH nedir?\u201d diye sorduklar\u0131nda, genellikle korozyon direncini kaybetmeden y\u00fcksek mukavemeti nas\u0131l elde edeceklerini anlamaya \u00e7al\u0131\u015f\u0131rlar. Bu ala\u015f\u0131m hakk\u0131nda en \u00f6nemli \u015fey, mukavemetinin so\u011fuk i\u015flemeden veya y\u00fcksek karbon i\u00e7eri\u011finden gelmemesidir. Ancak bu, bir \u00c7\u00f6kelme Sertle\u015ftirmeli (PH) paslanmaz \u00e7elik de\u011fildir. Bu, akma mukavemeti, sertlik ve s\u00fcneklik gibi mekanik \u00f6zelliklerinin ya\u015fland\u0131rma ad\u0131 verilen kontroll\u00fc bir \u0131s\u0131l i\u015flem s\u00fcreciyle de\u011fi\u015ftirilebilece\u011fi anlam\u0131na gelir.<\/span><\/p>\n

Bu ayarlanabilirlik, tasar\u0131mc\u0131lar\u0131n 304 paslanmaz \u00e7eli\u011fe g\u00f6re \u00fc\u00e7 kat daha y\u00fcksek olan 1100 MPa'ya (160 ksi) kadar akma mukavemeti elde etmelerini sa\u011flarken, iyi boyutsal kararl\u0131l\u0131\u011f\u0131 da korur. Y\u00fcksek mukavemet, orta d\u00fczeyde korozyon direnci ve \u00f6ng\u00f6r\u00fclebilir \u00fcretilebilirlik dengesine sahip bir malzeme bulmak \u00e7ok nadirdir.<\/span><\/p>\n

Bu denge, 17-4 PH'\u0131n havac\u0131l\u0131k ba\u011flant\u0131 par\u00e7alar\u0131, kimyasal pompa milleri ve y\u00fcksek y\u00fckl\u00fc mekanik montajlar i\u00e7in standart olmas\u0131n\u0131n nedenidir. M\u00fchendisler par\u00e7alar\u0131 daha yumu\u015fak \u00c7\u00f6zelti Tavlanm\u0131\u015f (Ko\u015ful A) durumda i\u015fleyebilir ve ard\u0131ndan \u00e7ok az distorsiyonla son sertli\u011fe \u0131s\u0131l i\u015flem uygulayabilir. Ancak her zaman 316'n\u0131n yerine kullan\u0131lamaz. Is\u0131l i\u015flem ko\u015fuluna ba\u011fl\u0131 olarak toklu\u011fu ve korozyon direnci \u00e7ok farkl\u0131 olabilir. Bu k\u0131lavuz, 17-4 PH'\u0131n metalurjisini, i\u015fleme ger\u00e7eklerini ve m\u00fchendislik \u00f6d\u00fcnle\u015fimlerini inceleyerek ne zaman en iyi se\u00e7im oldu\u011funu belirlemenize yard\u0131mc\u0131 olur.<\/span><\/p>\n

17-4 PH paslanmaz \u00e7elik nedir? Kaliteler i\u00e7in Standartlar ve Tan\u0131mlar<\/span><\/h2>\n

17-4 PH, krom, %4 nikel i\u00e7erdi\u011fi ve \u00e7\u00f6kelme yoluyla sertle\u015fti\u011fi anlam\u0131na gelir. Metalurjik a\u00e7\u0131dan bak\u0131ld\u0131\u011f\u0131nda, martensitik \u00e7\u00f6kelme sertle\u015ftirmeli bir paslanmaz \u00e7eliktir.<\/span><\/p>\n

17-4 PH mukavemetini iki a\u015famal\u0131 bir faz de\u011fi\u015fiminden al\u0131rken, 300 serisi \u00e7elikler mukavemetlerini kat\u0131 \u00e7\u00f6zelti sertle\u015ftirmesinden al\u0131r.<\/span><\/p>\n

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  1. \n

    \u00c7\u00f6z\u00fcm Tedavisi:<\/span><\/strong> Martensitik bir matris olu\u015fturur (Ko\u015ful A).<\/span><\/p>\n<\/li>\n

  2. \n

    Ya\u015fland\u0131rma:<\/span><\/strong> Dislokasyon hareketini engelleyen ve malzemeyi \u00e7ok g\u00fc\u00e7l\u00fc k\u0131lan k\u00fc\u00e7\u00fck bak\u0131r a\u00e7\u0131s\u0131ndan zengin par\u00e7ac\u0131klar\u0131n olu\u015fmas\u0131na neden olur.<\/span><\/p>\n<\/li>\n<\/ol>\n

    D\u00fcnya \u00c7ap\u0131nda Standartlar ve Tan\u0131mlamalar<\/span><\/h3>\n

    Standardizasyon, d\u00fcnya genelinde \u00fcr\u00fcn tedarik etmeyi kolayla\u015ft\u0131r\u0131r. 17-4 PH \u015fu standartlarla korunmaktad\u0131r:<\/span><\/p>\n

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      AISI veya Yayg\u0131n Ad:<\/span><\/strong> 17-4 PH veya Tip 630<\/span><\/p>\n<\/li>\n

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      UNS:<\/span><\/strong> S17400<\/span><\/p>\n<\/li>\n

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      ASTM:<\/span><\/strong> A564 (\u00c7ubuklar\/Profiller) ve A693 (Plaka\/Sac)<\/span><\/p>\n<\/li>\n

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      AMS:<\/span><\/strong> 5643 (\u00c7ubuklar\/D\u00f6vmeler) ve 5604 (Sac\/Plaka) havac\u0131l\u0131k i\u00e7in \u00e7ok \u00f6nemlidir.<\/span><\/p>\n<\/li>\n

    • \n

      EN \/ DIN:<\/span><\/strong> 4542 (X5CrNiCuNb16-4)<\/span><\/p>\n<\/li>\n<\/ul>\n

      Kimyasal Bile\u015fim ve Ala\u015f\u0131m Tasar\u0131m\u0131n\u0131n Mant\u0131\u011f\u0131<\/span><\/h2>\n

      17-4 PH'\u0131n performans\u0131 tesad\u00fcf de\u011fildir; matrisi paslanmaz tutarken \u00e7\u00f6kelme sertle\u015ftirmesine olanak tan\u0131yan dikkatle tasarlanm\u0131\u015f bir kimyan\u0131n sonucudur.<\/span><\/p>\n

      Tablo 1: Yayg\u0131n Kimyasal Bile\u015fim (a\u011f\u0131rl\u0131k\u00e7a%)<\/span><\/strong><\/p>\n

      \n\n\n\n\n\n\n\n\n\n\n
      Element<\/span><\/td>\nTipik Aral\u0131k<\/span><\/td>\nM\u00fchendislik Rol\u00fc<\/span><\/td>\n<\/tr>\n
      Krom (Cr)<\/span><\/strong><\/td>\n15.0\u201317.5<\/span><\/td>\nKorozyona kar\u015f\u0131 koruma sa\u011flayan pasif oksit tabakas\u0131n\u0131 olu\u015fturan \u015fey budur.<\/span><\/td>\n<\/tr>\n
      Nikel (Ni)<\/span><\/strong><\/td>\n3.0\u20135.0<\/span><\/td>\nmartensitik yap\u0131y\u0131 kararl\u0131 tutar ve faz de\u011fi\u015fimini dengeler.<\/span><\/td>\n<\/tr>\n
      Bak\u0131r (Cu)<\/span><\/strong><\/td>\n3.0\u20135.0<\/span><\/td>\nAna Oyuncu. Ya\u015fland\u0131k\u00e7a mukavemet kazand\u0131ran bak\u0131r a\u00e7\u0131s\u0131ndan zengin par\u00e7ac\u0131klara d\u00f6n\u00fc\u015f\u00fcr.<\/span><\/td>\n<\/tr>\n
      Tantal ve Niyobyum<\/span><\/strong><\/td>\n0.15\u20130.45<\/span><\/td>\nKarbonu stabilize eder (karb\u00fcrler olu\u015fturur) ve tane s\u0131n\u0131rlar\u0131nda korozyonu durdurur; tane boyutunu k\u00fc\u00e7\u00fclt\u00fcr.<\/span><\/td>\n<\/tr>\n
      C (karbon)<\/span><\/strong><\/td>\n\u2264 0,07<\/span><\/td>\nTok ve kaynak yap\u0131labilir oldu\u011fundan emin olmak i\u00e7in d\u00fc\u015f\u00fck tutulur; k\u0131r\u0131lmas\u0131n\u0131 \u00f6nler.<\/span><\/td>\n<\/tr>\n
      Manganez (Mn)<\/span><\/strong><\/td>\n\u2264 1,0<\/span><\/td>\nDeoksidizer.<\/span><\/td>\n<\/tr>\n
      Demir (Fe)<\/span><\/strong><\/td>\nDenge<\/span><\/td>\nTemel matris.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

      Bu Par\u00e7alar Neden \u00d6nemlidir<\/span><\/h3>\n
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      • \n

        Gizli silah budur: bak\u0131r (Cu).<\/span><\/strong> Bak\u0131r, d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda (480\u00b0C ila 620\u00b0C) ya\u015fland\u0131r\u0131ld\u0131\u011f\u0131nda kat\u0131 \u00e7\u00f6zeltiden \u00e7\u0131kar. Bu k\u00fc\u00e7\u00fck par\u00e7ac\u0131klar kristal kafeste \u201cyol engelleri\u201d gibi davranarak atom katmanlar\u0131n\u0131n birbiri \u00fczerinde kaymas\u0131n\u0131 durdurur. Buna \u00e7\u00f6kelme sertle\u015ftirmesi denir.<\/span><\/p>\n<\/li>\n

      • \n

        Niyobyum (Nb):<\/span><\/strong> Niyobyum, karbonla ba\u011flanarak tehlikeli krom karb\u00fcrlerin olu\u015fumunu durdurur ve kromun korozyonla sava\u015fmak i\u00e7in kullan\u0131labilir kalmas\u0131n\u0131 sa\u011flar. Bu, ala\u015f\u0131m\u0131 kararl\u0131 ve kaynak yap\u0131m\u0131 kolay hale getirir.<\/span><\/p>\n<\/li>\n<\/ul>\n

        \u00c7\u00f6kelme Sertle\u015ftirme Mekanizmas\u0131 (Nas\u0131l Bu Kadar G\u00fc\u00e7l\u00fc Hale Gelir)<\/span><\/h3>\n

        17-4 PH'\u0131n neden bu kadar \u00e7ok y\u00f6nl\u00fc oldu\u011funu anlamak i\u00e7in nas\u0131l sertle\u015fti\u011fini bilmeniz gerekir.<\/span><\/p>\n

        Ad\u0131m 1: \u00c7\u00f6zelti Tavlamas\u0131 (Ko\u015ful A)<\/span><\/strong><\/p>\n

        Ala\u015f\u0131m yakla\u015f\u0131k 1040\u00b0C'ye \u0131s\u0131t\u0131l\u0131r ve ard\u0131ndan h\u0131zla so\u011futulur.<\/span><\/p>\n

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          Sonu\u00e7:<\/span><\/strong> Bak\u0131r ve di\u011fer metaller demir matrisinde tamamen \u00e7\u00f6z\u00fcn\u00fcr. Yap\u0131 Martensite d\u00f6n\u00fc\u015f\u00fcr.<\/span><\/p>\n<\/li>\n

        • \n

          Ko\u015ful A'da malzeme olduk\u00e7a yumu\u015fakt\u0131r (yakla\u015f\u0131k 30\u201335 HRC) ve kolayca b\u00fck\u00fclmez. \u0130\u015flenebilir, ancak hen\u00fcz kullan\u0131ma haz\u0131r de\u011fildir.<\/span><\/p>\n<\/li>\n<\/ul>\n

          Ad\u0131m 2: Ya\u015fland\u0131rma (Sertle\u015ftirme)<\/span><\/strong><\/p>\n

          Malzeme tekrar \u0131s\u0131t\u0131l\u0131r, ancak o kadar s\u0131cak de\u011fil (\u00f6rne\u011fin, H900 480\u00b0C'ye \u0131s\u0131t\u0131l\u0131r).<\/span><\/p>\n

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            Sonu\u00e7<\/span><\/strong> ince bak\u0131r a\u00e7\u0131s\u0131ndan zengin \u00e7\u00f6keltilerin olu\u015fmas\u0131d\u0131r.<\/span><\/p>\n<\/li>\n

          • \n

            G\u00fc\u00e7<\/span><\/strong> tavan yapar. Sertlik artar. Nihai \u00f6zellik dengesi, tam s\u0131cakl\u0131k ve s\u00fcreye ba\u011fl\u0131d\u0131r. Daha d\u00fc\u015f\u00fck s\u0131cakl\u0131klar malzemeyi daha g\u00fc\u00e7l\u00fc, daha y\u00fcksek s\u0131cakl\u0131klar ise daha tok yapar.<\/span><\/p>\n<\/li>\n<\/ul>\n

            Is\u0131l \u0130\u015flem Ko\u015fullar\u0131 (H900\u2013H1150)<\/span><\/h2>\n

            M\u00fchendisler sadece \u201c17-4 PH\u201d demekle kalmamal\u0131, ayn\u0131 zamanda Ko\u015fulun ne oldu\u011funu da belirtmelidir. \u201cH\u201d numaras\u0131, par\u00e7an\u0131n dayanaca\u011f\u0131 Fahrenheit cinsinden s\u0131cakl\u0131\u011f\u0131 g\u00f6sterir.<\/span><\/p>\n

            Tablo 2: Ko\u015fula G\u00f6re Tipik Mekanik \u00d6zellikler<\/span><\/strong><\/p>\n

            \n\n\n\n\n\n\n\n
            Durum<\/span><\/td>\nYa\u015fland\u0131rma S\u0131cakl\u0131\u011f\u0131<\/span><\/td>\nAkma Mukavemeti (MPa)<\/span><\/td>\n\u00c7ekme Dayan\u0131m\u0131 (MPa)<\/span><\/td>\nSertlik (HRC)<\/span><\/td>\nEsneme hareketleri<\/span><\/td>\nUygulamaya odaklan\u0131n<\/span><\/td>\n<\/tr>\n
            Ko\u015ful A<\/span><\/strong><\/td>\nYok<\/span><\/td>\n~760<\/span><\/td>\n~1030<\/span><\/td>\n~33<\/span><\/td>\n5\u201310%<\/span><\/td>\n\u0130\u015fleme sto\u011fu. Kullan\u0131m i\u00e7in de\u011fildir (gevrek).<\/span><\/td>\n<\/tr>\n
            H900<\/span><\/strong><\/td>\n482\u00b0C (900\u00b0F)<\/span><\/td>\n1170 (170 ksi)<\/span><\/td>\n1310 (190 ksi)<\/span><\/td>\n40\u201347<\/span><\/td>\n10%<\/span><\/td>\nMaksimum mukavemet. Di\u015fliler ve miller gibi h\u0131zla a\u015f\u0131nan par\u00e7alar.<\/span><\/td>\n<\/tr>\n
            H1025<\/span><\/strong><\/td>\n551\u00b0C (1025\u00b0F)<\/span><\/td>\n1000<\/span><\/td>\n1070<\/span><\/td>\n35\u201338<\/span><\/td>\n12%<\/span><\/td>\nDengeli. \u0130yi mukavemet ve daha iyi tokluk.<\/span><\/td>\n<\/tr>\n
            H1150<\/span><\/strong><\/td>\n621\u00b0C (1150\u00b0F)<\/span><\/td>\n725 (105 ksi)<\/span><\/td>\n930 (135 ksi)<\/span><\/td>\n28\u201333<\/span><\/td>\n16%<\/span><\/td>\nTokluk. Kriyojenik par\u00e7alar ve valf saplar\u0131.<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

            M\u00fchendislik Se\u00e7imi Mant\u0131\u011f\u0131:<\/span><\/strong><\/p>\n

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              Maksimum Mukavemet mi istiyorsunuz?<\/span><\/strong> H900'\u00fc se\u00e7in.<\/span><\/p>\n<\/li>\n

            • \n

              Gevrek k\u0131r\u0131lma veya gerilme korozyon \u00e7atlamas\u0131 (SCC) konusunda endi\u015feli misiniz?<\/span><\/strong> H1150'yi se\u00e7in.<\/span><\/p>\n<\/li>\n

            • \n

              Genel Ama\u00e7l\u0131 m\u0131?<\/span><\/strong> H1025 veya H1075 g\u00fcvenli bir se\u00e7imdir.<\/span><\/p>\n<\/li>\n<\/ul>\n

              Tasar\u0131m i\u00e7in \u00d6nemli Fiziksel \u00d6zellikler<\/span><\/h2>\n
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                Yo\u011funluk:<\/span><\/strong> 7,75 g\/cm\u00b3 (Bu, paslanmaz \u00e7elik i\u00e7in standartt\u0131r).<\/span><\/p>\n<\/li>\n

              • \n

                Manyetizma:<\/span><\/strong> Evet, manyetiktir. Martenzitik yap\u0131s\u0131 nedeniyle 17-4 PH, 304\/316'n\u0131n aksine her durumda ferromanyetiktir.<\/span><\/p>\n<\/li>\n

              • \n

                Termal genle\u015fme<\/span><\/strong> 10,8 \u00b5m\/m\u00b7\u00b0C'dir. Bu, 17-4 PH'\u0131n \u00f6stenitik \u00e7eliklerden (304 yakla\u015f\u0131k 17,2) daha d\u00fc\u015f\u00fck olmas\u0131 nedeniyle s\u0131cakl\u0131k de\u011fi\u015fti\u011finde daha s\u0131k\u0131 toleranslar\u0131 korudu\u011fu anlam\u0131na gelir.<\/span><\/p>\n<\/li>\n<\/ul>\n

                Korozyon direnci a\u00e7\u0131s\u0131ndan 17-4 PH ile 304 ve 316 kar\u015f\u0131la\u015ft\u0131rmas\u0131<\/span><\/h2>\n

                Hava ko\u015fullar\u0131na nas\u0131l dayan\u0131yor?<\/span><\/p>\n

                Genel Performans<\/span><\/h3>\n

                \u00c7o\u011fu hafif ortamda (hava ve tatl\u0131 su gibi), 17-4 PH, 304 paslanmaz \u00e7elik kadar korozyona dayan\u0131kl\u0131d\u0131r. -17% Krom i\u00e7eri\u011fi, pasif filmin kararl\u0131 kalmas\u0131n\u0131 sa\u011flar.<\/span><\/p>\n

                K\u0131s\u0131tlamalar<\/span><\/h3>\n
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                  Klor\u00fcr Sald\u0131r\u0131s\u0131:<\/span><\/strong> Deniz veya klor\u00fcr a\u00e7\u0131s\u0131ndan zengin ortamlarda 316 paslanmaz \u00e7elik kadar iyi dayanmaz. 316'y\u0131 \u00e7ukurla\u015fmadan koruyan Molibden i\u00e7ermez.<\/span><\/p>\n<\/li>\n

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                  Stres Korozyon \u00c7atlamas\u0131 (SCC):<\/span><\/strong> 17-4 PH, y\u00fcksek mukavemetli H900 ko\u015fulunda \u00e7ekme y\u00fck\u00fc alt\u0131ndayken a\u015f\u0131nd\u0131r\u0131c\u0131 ortamlarda SCC'ye e\u011filimlidir.<\/span><\/p>\n<\/li>\n<\/ul>\n

                  Zorlu ortamlarda SCC riskini azaltmak i\u00e7in ko\u015fullar\u0131 H1150 veya H1150-M olarak ayarlay\u0131n. \u201cA\u015f\u0131r\u0131 ya\u015fland\u0131rma\u201d i\u015flemi i\u00e7 gerilmeleri d\u00fc\u015f\u00fcr\u00fcr ve malzemeyi daha g\u00fc\u00e7l\u00fc hale getirir.<\/span><\/p>\n

                  \u0130yi bir genel kural \u015fudur:<\/span><\/strong><\/p>\n

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                    17-4 PH<\/span><\/strong> i\u00e7 mekan, end\u00fcstriyel ve hafif d\u0131\u015f mekan kullan\u0131m\u0131 i\u00e7in uygundur.<\/span><\/p>\n<\/li>\n

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                    316<\/span><\/strong> deniz suyu ve kimyasallar\u0131n i\u015flenmesi i\u00e7in daha g\u00fcvenlidir (veya Dubleks Paslanmaz).<\/span><\/p>\n<\/li>\n<\/ul>\n

                    CNC 17-4 PH \u00c7eli\u011finin \u0130\u015flenmesi<\/span><\/h2>\n

                    \u00dcretim a\u00e7\u0131s\u0131ndan bak\u0131ld\u0131\u011f\u0131nda, 17-4 PH hassas par\u00e7alar yapmak i\u00e7in genellikle 304\/316'dan daha iyidir \u00e7\u00fcnk\u00fc daha iyi tala\u015f olu\u015fturur ve daha s\u0131k\u0131 toleranslar\u0131 korur.<\/span><\/p>\n

                    Ko\u015ful A \u0130\u015fleme<\/span><\/h3>\n

                    \u00c7\u00f6zelti Tavlanm\u0131\u015f (Ko\u015ful A) durumu, i\u015flemenin \u00e7o\u011funun ger\u00e7ekle\u015fti\u011fi durumdur.<\/span><\/p>\n

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                      \u00d6zellikler:<\/span><\/strong> 304'ten daha sert (yakla\u015f\u0131k 30 HRC), ancak kesilmesi daha kolay. \u00d6stenitik \u00e7elikler kadar sertle\u015fmez ve i\u015flenmesi kolay tala\u015flar olu\u015fturur.<\/span><\/p>\n<\/li>\n

                    • \n

                      Boyutsal Kararl\u0131l\u0131k:<\/span><\/strong> Nihai \u0131s\u0131l i\u015flem d\u00fc\u015f\u00fck s\u0131cakl\u0131kta (\u00f6rne\u011fin 480\u00b0C) yap\u0131l\u0131r, bu nedenle sertle\u015ftirme s\u0131ras\u0131nda \u00e7ok fazla distorsiyon olmaz. Bu, \u0131s\u0131l i\u015flem \u00f6ncesinde net \u015fekle yak\u0131n i\u015fleme yap\u0131lmas\u0131n\u0131 m\u00fcmk\u00fcn k\u0131lar.<\/span><\/p>\n<\/li>\n<\/ul>\n

                      Sertle\u015ftirilmi\u015f Durumlarda \u0130\u015fleme (H900)<\/span><\/h3>\n

                      Sertle\u015ftirmeden sonra 17-4 PH'\u0131 i\u015flemek m\u00fcmk\u00fcnd\u00fcr, ancak tak\u0131mlar\u0131n \u00f6mr\u00fc b\u00fcy\u00fck \u00f6l\u00e7\u00fcde k\u0131salacakt\u0131r. Is\u0131l i\u015flemden sonra kritik boyutlar i\u00e7in genellikle son ta\u015flama veya sert tornalama yap\u0131l\u0131r.<\/span><\/p>\n

                      En \u0130yi Uygulamalar:<\/span><\/strong><\/p>\n

                        \n
                      • \n

                        Tak\u0131mlama i\u00e7in kaplamal\u0131 karb\u00fcr tak\u0131mlar (TiAlN) kullan\u0131n.<\/span><\/p>\n<\/li>\n

                      • \n

                        Tak\u0131mlar\u0131 serin tutmak ve \u00f6m\u00fcrlerini uzatmak i\u00e7in bol so\u011futma s\u0131v\u0131s\u0131 gereklidir.<\/span><\/p>\n<\/li>\n

                      • \n

                        Plan:<\/span><\/strong> \u201cBekleme\u201d yapmay\u0131n. Camla\u015fmay\u0131 \u00f6nlemek i\u00e7in sabit bir ak\u0131\u015f sa\u011flay\u0131n.<\/span><\/p>\n<\/li>\n<\/ul>\n

                        Kaynak yaparken ve bir \u015feyler \u00fcretirken dikkat edilmesi gerekenler<\/span><\/h2>\n

                        Kaynaklanabilirlik<\/span><\/h3>\n

                        17-4 PH kaynak yap\u0131labilir (410'dan daha iyi, 304'ten daha k\u00f6t\u00fc).<\/span><\/p>\n

                          \n
                        • \n

                          TIG (GTAW) veya MIG (GMAW)<\/span><\/strong> iki y\u00f6ntemdir.<\/span><\/p>\n<\/li>\n

                        • \n

                          Dolgu:<\/span><\/strong> Ana ala\u015f\u0131m\u0131n \u00f6zelliklerine uyum sa\u011flamak i\u00e7in ER630 dolgu metali kullan\u0131n.<\/span><\/p>\n<\/li>\n

                        • \n

                          \u00d6n Is\u0131tma:<\/span><\/strong> Genellikle 100mm'den k\u00fc\u00e7\u00fck par\u00e7alar i\u00e7in gerekli de\u011fildir.<\/span><\/p>\n<\/li>\n<\/ul>\n

                          Kaynak Sonras\u0131 Is\u0131l \u0130\u015flem<\/span><\/h3>\n

                          Bu \u00e7ok \u00f6nemlidir. Kaynak yapt\u0131\u011f\u0131n\u0131zda, \u00f6zellikleri tahmin edilmesi zor olan bir Is\u0131dan Etkilenen B\u00f6lge (HAZ) olu\u015fturursunuz.<\/span><\/p>\n

                          Kaynak sonras\u0131nda par\u00e7a \u00e7\u00f6zelti tavlamas\u0131na (Ko\u015ful A'ya s\u0131f\u0131rlama) tabi tutulmal\u0131 ve ard\u0131ndan do\u011fru temperde (\u00f6rne\u011fin H900) ya\u015fland\u0131r\u0131lmal\u0131d\u0131r. Bu, kaynakl\u0131 par\u00e7an\u0131n ba\u015ftan sona g\u00fc\u00e7l\u00fc olmas\u0131n\u0131 sa\u011flar.<\/span><\/p>\n

                          17-4 PH ile Di\u011fer Paslanmaz \u00c7elikler Aras\u0131nda Se\u00e7im Yapmaya \u0130li\u015fkin M\u00fchendislik K\u0131lavuzu<\/span><\/h2>\n

                          Do\u011fru se\u00e7imi yapmak i\u00e7in Mukavemet, Korozyon ve Maliyeti birbiriyle kar\u015f\u0131la\u015ft\u0131rmal\u0131s\u0131n\u0131z.<\/span><\/p>\n

                          Tablo 3: Se\u00e7im Matrisi<\/span><\/strong><\/p>\n

                          \n\n\n\n\n\n\n\n\n\n
                          \u00d6zellik<\/span><\/td>\n17-4 PH<\/span><\/td>\n304 Paslanmaz<\/span><\/td>\n316 Paslanmaz<\/span><\/td>\n410 Paslanmaz<\/span><\/td>\n<\/tr>\n
                          Maksimum Akma Mukavemeti<\/span><\/strong><\/td>\nY\u00fcksek (yakla\u015f\u0131k 170 ksi)<\/span><\/td>\nD\u00fc\u015f\u00fck (yakla\u015f\u0131k 30 ksi)<\/span><\/td>\nD\u00fc\u015f\u00fck (yakla\u015f\u0131k 30 ksi)<\/span><\/td>\nOrta (yakla\u015f\u0131k 100 ksi)<\/span><\/td>\n<\/tr>\n
                          Pas<\/span><\/strong><\/td>\n\u0130yi<\/span><\/td>\n\u0130yi<\/span><\/td>\nHarika<\/span><\/td>\nAdil<\/span><\/td>\n<\/tr>\n
                          Manyetik mi?<\/span><\/strong><\/td>\nEvet<\/span><\/td>\nHay\u0131r<\/span><\/td>\nHay\u0131r<\/span><\/td>\nEvet<\/span><\/td>\n<\/tr>\n
                          \u0130\u015flenebilirlik<\/span><\/strong><\/td>\n\u0130yi (Ko\u015ful A)<\/span><\/td>\nAdil (Sak\u0131zl\u0131)<\/span><\/td>\nOrta (So\u011fuk \u0130\u015flemle Sertle\u015fir)<\/span><\/td>\n\u0130yi<\/span><\/td>\n<\/tr>\n
                          \u0130yi Kaynak Yap\u0131labilir<\/span><\/strong><\/td>\nAdil<\/span><\/td>\nM\u00fckemmel<\/span><\/td>\nM\u00fckemmel<\/span><\/td>\nZay\u0131f<\/span><\/td>\n<\/tr>\n
                          Maliyet<\/span><\/strong><\/td>\nY\u00fcksek<\/span><\/td>\nD\u00fc\u015f\u00fck<\/span><\/td>\nOrta<\/span><\/td>\nD\u00fc\u015f\u00fck<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

                          Karar Verme Mant\u0131\u011f\u0131:<\/span><\/strong><\/p>\n

                            \n
                          • \n

                            Mukavemet ve korozyon direncine mi ihtiyac\u0131n\u0131z var?<\/span><\/strong> -> 17-4 PH.<\/span><\/p>\n<\/li>\n

                          • \n

                            M\u00fcmk\u00fcn olan en y\u00fcksek korozyon direncine mi ihtiyac\u0131n\u0131z var (denizcilik)?<\/span><\/strong> -> 316.<\/span><\/p>\n<\/li>\n

                          • \n

                            Ucuz ve \u015fekillendirmesi kolay bir \u015feye mi ihtiyac\u0131n\u0131z var?<\/span><\/strong> -> 304.<\/span><\/p>\n<\/li>\n

                          • \n

                            A\u015f\u0131nmayacak b\u0131\u00e7ak ve blade'lere mi ihtiyac\u0131n\u0131z var?<\/span><\/strong> -> 440C veya 420.<\/span><\/p>\n<\/li>\n<\/ul>\n

                            M\u00fchendislikte Yayg\u0131n Kullan\u0131mlar<\/span><\/h2>\n

                            \u201cProblem \u00c7\u00f6z\u00fcc\u00fc\u201d ala\u015f\u0131m 17-4 PH't\u0131r.<\/span><\/p>\n

                              \n
                            • \n

                              Havac\u0131l\u0131k ve Uzay:<\/span><\/strong> \u0130ni\u015f tak\u0131m\u0131, motor ba\u011flant\u0131lar\u0131 ve yap\u0131sal ba\u011flant\u0131 elemanlar\u0131 i\u00e7in par\u00e7alar (AMS 5643 spesifikasyonu).<\/span><\/p>\n<\/li>\n

                            • \n

                              Petrol ve gaz:<\/span><\/strong> y\u00fcksek torklu a\u015f\u0131nd\u0131r\u0131c\u0131 \u00e7amurda \u00e7al\u0131\u015fan valf milleri, pompa \u015faftlar\u0131 ve kuyu i\u00e7i aletler.<\/span><\/p>\n<\/li>\n

                            • \n

                              Kimyasal \u0130\u015fleme:<\/span><\/strong> Pompalar\u0131n g\u00f6vdeleri ve \u00e7arklar\u0131.<\/span><\/p>\n<\/li>\n

                            • \n

                              T\u0131bbi:<\/span><\/strong> Keskinli\u011fini korumas\u0131 ve sterilizasyon d\u00f6ng\u00fclerinden ge\u00e7ememesi gereken cerrahi aletler (matkaplar ve raybalar gibi).<\/span><\/p>\n<\/li>\n

                            • \n

                              G\u0131da \u0130\u015fleme:<\/span><\/strong> Y\u0131kama alanlar\u0131nda y\u00fcksek mukavemetli tahrik milleri gereklidir (H1150 ko\u015fulu en iyisidir).<\/span><\/p>\n<\/li>\n<\/ul>\n

                              \u00d6nemli M\u00fchendislik Noktalar\u0131n\u0131n \u00d6zeti<\/span><\/h2>\n

                              17-4 PH paslanmaz \u00e7elik yayg\u0131n bir malzeme de\u011fildir; hassas m\u00fchendislik i\u00e7in bir ara\u00e7t\u0131r.<\/span><\/p>\n

                                \n
                              • \n

                                Ayarlanabilir Mukavemet:<\/span><\/strong> Ana avantaj\u0131, f\u0131r\u0131n s\u0131cakl\u0131\u011f\u0131n\u0131 de\u011fi\u015ftirerek akma mukavemetini 100 ksi ile 170 ksi aras\u0131nda se\u00e7ebilmenizdir.<\/span><\/p>\n<\/li>\n

                              • \n

                                \u00dcretim Dostu:<\/span><\/strong> Ko\u015ful A'da iyi i\u015flenir ve az distorsiyonla \u0131s\u0131l i\u015flem g\u00f6r\u00fcr, bu da onu dar toleransl\u0131 karma\u015f\u0131k par\u00e7alar i\u00e7in m\u00fckemmel k\u0131lar.<\/span><\/p>\n<\/li>\n

                              • \n

                                \u00c7evresel S\u0131n\u0131rlar:<\/span><\/strong> G\u00fc\u00e7l\u00fcd\u00fcr, ancak deniz suyunda 316'n\u0131n yerine kullan\u0131lamaz.<\/span><\/p>\n<\/li>\n

                              • \n

                                Ko\u015fula G\u00f6re Tasar\u0131m:<\/span><\/strong> \u00c7izime sadece \u201c17-4 PH\u201d yazmay\u0131n. Her zaman ko\u015fulun ne oldu\u011funu belirtin, \u00f6rne\u011fin 17-4 PH H900.<\/span><\/p>\n<\/li>\n<\/ul>\n

                                M\u00fchendisler, \u0131s\u0131l i\u015flemin performans\u0131 nas\u0131l etkiledi\u011fini bilerek 17-4 PH kullanarak daha hafif, daha g\u00fc\u00e7l\u00fc ve daha uzun \u00f6m\u00fcrl\u00fc mekanizmalar yapabilir.<\/span><\/p>\n

                                S\u0131k\u00e7a Sorulan Sorular<\/span><\/h2>\n

                                S: 17-4 PH'\u0131n manyetik alan\u0131 var m\u0131d\u0131r?<\/span><\/strong>
                                C: Evet. Nas\u0131l \u0131s\u0131l i\u015flem g\u00f6r\u00fcrse g\u00f6rs\u00fcn ferromanyetiktir. Manyetik olmayan bir \u015feye ihtiyac\u0131n\u0131z varsa, onu kullanmay\u0131n (bunun yerine 316 veya Nitronic 60 kullan\u0131n).<\/span><\/p>\n

                                S: 17-4 PH paslan\u0131r m\u0131?<\/span><\/strong>
                                C: Normal havada ve tatl\u0131 suda, t\u0131pk\u0131 304 gibi kolayca paslanmaz. Ancak tuzlu suda veya hareket etmeyen \u0131slak ko\u015fullarda, \u00f6zellikle H900 durumunda, \u00e7ukurla\u015fma ve korozyona u\u011frayabilir. Pasivasyon i\u015flemi uygulamak en iyisidir.<\/span><\/p>\n

                                S: 15-5 PH ile 17-4 PH aras\u0131ndaki fark nedir?<\/span><\/strong>
                                C: 15-5 PH, 17-4 PH'\u0131n daha temiz ve daha iyi bir versiyonudur. Tane y\u00f6n\u00fc boyunca daha tok ve d\u00f6v\u00fclmesi daha kolay olacak \u015fekilde \u00fcretilmi\u015ftir. 17-4 PH \u00e7o\u011fu genel i\u015flenmi\u015f par\u00e7a i\u00e7in yeterince iyidir ve bulunmas\u0131 daha kolayd\u0131r. 15-5 PH genellikle \u00f6nemli havac\u0131l\u0131k d\u00f6vme par\u00e7alar\u0131 i\u00e7in en iyi se\u00e7enektir.<\/span><\/p>\n

                                S: Sertle\u015ftirmeden sonra 17-4 PH'\u0131 i\u015fleyebilir miyim?<\/span><\/strong>
                                C: Evet, ancak serttir. H900 (44 HRC) i\u015fleme tak\u0131mlar\u0131 h\u0131zla a\u015f\u0131nd\u0131r\u0131r. Condition A'da i\u015fleyip ard\u0131ndan ya\u015fland\u0131rma yapmak veya y\u00fcksek mukavemet gerekmiyorsa H1150'de (daha yumu\u015fak) i\u015flemek yayg\u0131nd\u0131r.<\/span><\/p>\n

                                S: 17-4 PH yemek i\u00e7in g\u00fcvenli mi?<\/span><\/strong>
                                C: Evet, \u00e7o\u011fu zaman. Yo\u011fun gerilime maruz kalan par\u00e7alar i\u00e7in g\u0131da i\u015fleme makinelerinde kullan\u0131l\u0131r. Ancak bakteri \u00fcremesini \u00f6nlemek i\u00e7in y\u00fczey biti\u015fi p\u00fcr\u00fczs\u00fcz (elektroparlat\u0131lm\u0131\u015f) olmal\u0131d\u0131r ve s\u0131cak temizleme d\u00f6ng\u00fcleri s\u0131ras\u0131nda gerilim korozyon \u00e7atlamas\u0131n\u0131 \u00f6nlemek i\u00e7in H1150 durumu en iyisidir.<\/span><\/p>\n<\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

                                17-4 PH paslanmaz \u00e7elik (UNS S17400), normal \u00f6stenitik kalitelerin (304 gibi) korozyon direnci ile martensitik tak\u0131m \u00e7eliklerinin a\u015f\u0131r\u0131 mukavemeti aras\u0131nda yer alan benzersiz ve \u00f6nemli bir malzemedir.<\/p>","protected":false},"author":1,"featured_media":9620,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[103],"tags":[],"class_list":["post-9448","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-materials-guide"],"yoast_head":"\n17-4 PH Stainless Steel: Properties, Heat Treatment & Uses<\/title>\n<meta name=\"description\" content=\"Learn 17-4 PH stainless steel properties, precipitation heat treatment behavior, machinability, and engineering applications requiring high strength and corrosion resistance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cncmachiningshops.com\/tr\/17-4-ph-stainless-steel\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"What Is 17-4 PH Stainless Steel? 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