{"id":1779,"date":"2018-09-16T14:43:35","date_gmt":"2018-09-16T14:43:35","guid":{"rendered":"https:\/\/wldstainless.com\/?p=1779"},"modified":"2020-09-17T08:39:20","modified_gmt":"2020-09-17T08:39:20","slug":"what-is-ferritic-stainless-steel-used-for","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/tr\/what-is-ferritic-stainless-steel-used-for\/","title":{"rendered":"Ferritik paslanmaz \u00e7elik ne i\u00e7in kullan\u0131l\u0131r?"},"content":{"rendered":"

Ferrit paslanmaz \u00e7elik, 11%~30%Cr ve k\u00fcbik kristal ferrit yap\u0131s\u0131na sahip paslanmaz \u00e7eli\u011fi ifade eder. Y\u00fcksek krom i\u00e7eri\u011fi performans\u0131n\u0131 etkileyen ana unsurdur. Ferritik paslanmaz \u00e7eli\u011fin avantajlar\u0131 aras\u0131nda d\u00fc\u015f\u00fck maliyet (nikelsiz), iyi manyetik iletkenlik, m\u00fckemmel stresli korozyon direnci; K\u00fc\u00e7\u00fck \u00e7al\u0131\u015fma sertle\u015fme e\u011filimi, so\u011fuk \u015fekillendirme ve kesme kolayl\u0131\u011f\u0131; Y\u00fcksek \u0131s\u0131 iletkenli\u011fi (\u00d6stenitik \u00e7eli\u011fin 1,5 kat\u0131), d\u00fc\u015f\u00fck do\u011frusal genle\u015fme katsay\u0131s\u0131 (\u00d6stenitik \u00e7eli\u011fin 60%'si), fakat ayn\u0131 zamanda zay\u0131f plastiklik ve son i\u015flemde d\u00fc\u015f\u00fck mukavemet, kaynakta kolay \u00e7atlama gibi bariz dezavantajlar da vard\u0131r. Ferritik paslanmaz \u00e7elik esas olarak oksitleyici ortamda ve nitr\u00fcr ortamda kullan\u0131l\u0131r, \u0131s\u0131 de\u011fi\u015fimi ve \u0131s\u0131 dola\u015f\u0131m\u0131 ama\u00e7lar\u0131na uygundur, geni\u015f bir uygulama yelpazesi sa\u011flar.<\/p>\n

 <\/p>\n

Mimarl\u0131k ve yap\u0131 uygulamalar\u0131<\/strong><\/p>\n

Ferritik paslanmaz \u00e7elik, atmosferik korozyona kar\u015f\u0131 iyi direnci nedeniyle binalar\u0131n \u00e7at\u0131s\u0131 ve perde duvar\u0131 olarak kullan\u0131l\u0131r. K\u0131y\u0131 b\u00f6lgelerinde kullan\u0131lan y\u00fcksek kromlu ferritik paslanmaz \u00e7elikler geli\u015ftirilmi\u015f olup, atmosferik korozyona dayan\u0131kl\u0131 paslanmaz \u00e7elikler y\u00fcksek d\u00fczeyde krom ve molibden i\u00e7erir ve az miktarda niyobyum ve titanyum ile desteklenir. \u00c7elik asl\u0131nda 22% krom ve 1.2% molibden i\u00e7eriyor. Paslanmaz \u00e7eli\u011fin \u00e7ukurla\u015fma direncini artt\u0131rmak i\u00e7in yeterli miktarda krom ve molibden gereklidir. Tip 304 ve Tip 316 \u00f6stenitik paslanmaz \u00e7eli\u011fin paslanma alan\u0131, periyodik korozyon testi d\u00f6ng\u00fclerinin say\u0131s\u0131n\u0131n artmas\u0131yla \u00f6nemli \u00f6l\u00e7\u00fcde artt\u0131. Aksine, 444 tipi ferritik paslanmaz \u00e7eli\u011fin pas alan\u0131 ilk 600 test d\u00f6ng\u00fcs\u00fc s\u0131ras\u0131nda hafif artt\u0131 ve daha uzun testlerden sonra doymu\u015f hale geldi.<\/p>\n

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Otomobil end\u00fcstrisi<\/strong><\/p>\n

\"\"<\/p>\n

Tip 409 veya 410L paslanmaz \u00e7elik, m\u00fckemmel tanecikler aras\u0131 korozyon direnci, \u015fekillendirilebilirli\u011fi ve \u0131s\u0131 direnci nedeniyle \u00f6n boru, merkez boru ve susturucu gibi ara\u00e7 egzoz emisyon kontrol sistemi malzemesi olarak kullan\u0131l\u0131r. Son y\u0131llarda katalitik d\u00f6n\u00fc\u015f\u00fcm oran\u0131 ve NOx, SOx ve hidrokarbon (HC) emisyonlar\u0131 gibi zararl\u0131 gazlar\u0131n azalt\u0131lmas\u0131 nedeniyle ara\u00e7 egzozunun tasar\u0131m s\u0131cakl\u0131\u011f\u0131 artt\u0131. Bununla birlikte, krom karb\u00fcr s\u0131cakl\u0131\u011f\u0131n\u0131n artmas\u0131 susturucu \u00fczerinde birikintilere neden olacakt\u0131r; yani 400 ~ 500\u00b0C s\u0131cakl\u0131klar tanecik s\u0131n\u0131r\u0131nda korozyona yol a\u00e7acakt\u0131r. Kaynak alan\u0131 kristaller aras\u0131 korozyona kar\u015f\u0131 \u00f6zellikle hassas oldu\u011fundan, 12% Cr i\u00e7eren Ferritik paslanmaz \u00e7eli\u011fin korozyon direncinin artt\u0131r\u0131lmas\u0131 gerekir. Bu nedenle 12% Cr i\u00e7eren \u00e7eli\u011fe niyobyum eklenerek yeni bir Ferritik paslanmaz \u00e7elik geli\u015ftirildi. \u00c7elikteki karbon ve nitrojen i\u00e7eri\u011finin azalt\u0131lmas\u0131n\u0131n kristaller aras\u0131 korozyonun \u00f6nlenmesinde olduk\u00e7a etkili oldu\u011fu iyi bilinmektedir. Bu \u015fekilde, \u00e7eli\u011fe niyobyum ve titanyum eklenerek kristaller aras\u0131 korozyon direnci daha da geli\u015ftirilebilir. Otomobillerin egzoz manifoldu malzemesi olarak 409L paslanmaz \u00e7elik kullan\u0131l\u0131r ve egzoz s\u0131cakl\u0131\u011f\u0131 yakla\u015f\u0131k 800 \u00b0 C olacak \u015fekilde tasarlanm\u0131\u015ft\u0131r. Egzoz s\u0131cakl\u0131\u011f\u0131 yakla\u015f\u0131k 900\u00b0C oldu\u011funda 430J1L paslanmaz \u00e7elik \u00f6nerilir.<\/p>\n

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Ev aletleri ve mutfak e\u015fyalar\u0131<\/strong><\/p>\n

400 serisi ferrit paslanmaz \u00e7elik, benzersiz estetik \u00f6zellikleri, temizleyicilere ve dezenfektanlara kar\u015f\u0131 korozyon direnci, d\u00fc\u015f\u00fck termal genle\u015fme katsay\u0131s\u0131 ve manyetizmas\u0131 (elektromanyetik ocaklara uygun) nedeniyle ev aletleri ve mutfak e\u015fyalar\u0131 alan\u0131nda yayg\u0131n olarak kabul g\u00f6rm\u00fc\u015ft\u00fcr. Ferritik paslanmaz \u00e7elik, karbon \u00e7eli\u011fine k\u0131yasla a\u011f\u0131rl\u0131\u011f\u0131 b\u00fcy\u00fck \u00f6l\u00e7\u00fcde azalt\u0131r. Ferritik paslanmaz \u00e7elikler nikel i\u00e7ermez ve \u00d6stenitik \u00e7eliklere k\u0131yasla fiyat a\u00e7\u0131s\u0131ndan \u00e7ok daha istikrarl\u0131d\u0131r; bu da \u00fcreticilerin maliyetleri y\u00f6netmesini, sat\u0131n alma ve satmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r. Ferritik paslanmaz \u00e7eli\u011fin kullan\u0131m\u0131 o kadar geni\u015ftir ki, her kullan\u0131mda gerekli ferrit paslanmaz \u00e7eli\u011fin performans\u0131 farkl\u0131d\u0131r. Tipik uygulamalar aras\u0131nda bula\u015f\u0131k makineleri, elektrikli su \u0131s\u0131t\u0131c\u0131lar\u0131, \u00e7ama\u015f\u0131r makineleri, \u00e7\u00f6p kutular\u0131, mutfak giderleri, f\u0131r\u0131nlar, gazl\u0131 cihazlar, kahve makineleri, mikrodalga f\u0131r\u0131nlar, gazl\u0131 ocaklar, so\u011fuk hava depolar\u0131, restoran arabalar\u0131 yer al\u0131r.<\/p>\n

 <\/p>\n

Ferritik paslanmaz \u00e7elik ayn\u0131 zamanda ula\u015f\u0131m ve di\u011fer end\u00fcstriyel uygulamalarda da kullan\u0131l\u0131r. Karbon \u00e7eli\u011fi ve \u00d6stenitik paslanmaz \u00e7eli\u011fe g\u00f6re pek \u00e7ok avantaj\u0131 oldu\u011fu i\u00e7in b\u00fckme, kesme ve delme gibi m\u00fckemmel \u015fekillendirilebilirli\u011fi, geni\u015f bir uygulama alan\u0131na sahip olmas\u0131n\u0131 sa\u011flar. \u00c7ok say\u0131da ferritik paslanmaz \u00e7elik kalitesi oldu\u011fundan, iyi korozyon direnci, iyi dayan\u0131kl\u0131l\u0131k ve daha d\u00fc\u015f\u00fck fiyat elde etmek i\u00e7in m\u00fc\u015fteri gereksinimlerini kar\u015f\u0131layacak do\u011fru kaliteyi se\u00e7meniz gerekir.<\/p>\n\n\n\n\n\n\n\n\n
Notlar<\/td>\nKimyasal bile\u015fim<\/td>\nKarakterize Et<\/td>\nUygulamalar<\/td>\n<\/tr>\n
409L<\/td>\n11.3Cr-0.17Ti<\/p>\n

D\u00fc\u015f\u00fck C ve N<\/td>\n

Eklenen Ti, y\u00fcksek s\u0131cakl\u0131kta iyi korozyon direncine ve mukavemete sahip olmas\u0131n\u0131 sa\u011flar.<\/td>\nKaynak sonras\u0131 \u0131s\u0131l i\u015flem uygulanmayan otomobil egzoz borular\u0131, \u0131s\u0131 e\u015fanj\u00f6rleri, kaplar ve di\u011fer \u00fcr\u00fcnler.<\/td>\n<\/tr>\n
410L<\/td>\n13Cr<\/p>\n

D\u00fc\u015f\u00fck C<\/td>\n

410'a g\u00f6re C'yi azalt\u0131n, iyi i\u015fleme, kaynak deformasyon direnci, y\u00fcksek s\u0131cakl\u0131kta oksidasyon direncine sahiptir.<\/td>\nMekanik yap\u0131 par\u00e7alar\u0131, motor egzoz borular\u0131, kazan yanma odas\u0131, br\u00fcl\u00f6r.<\/td>\n<\/tr>\n
430<\/td>\n16Cr<\/td>\nTipik ferrit \u00e7eli\u011fi kaliteleri, d\u00fc\u015f\u00fck termal genle\u015fme oran\u0131na, m\u00fckemmel \u015fekillendirilebilirli\u011fe ve oksidasyon direncine sahiptir.<\/td>\nIs\u0131ya dayan\u0131kl\u0131 aletler, ocaklar, ev aletleri, sofra tak\u0131mlar\u0131, mutfak lavabolar\u0131, d\u0131\u015f dekoratif malzemeler, c\u0131vatalar, somunlar, paravanlar<\/td>\n<\/tr>\n
430J1L<\/td>\n18-Cr0.5Cu-Nb<\/p>\n

D\u00fc\u015f\u00fck C&N<\/td>\n

430 bazl\u0131 Cu, Nb ilavesi, iyi korozyon direnci, \u015fekillendirilebilirlik, kaynaklanabilirlik ve y\u00fcksek s\u0131cakl\u0131kta oksidasyon direnci.<\/td>\nBina d\u0131\u015f dekorasyon malzemeleri, otomobil par\u00e7alar\u0131, s\u0131cak ve so\u011fuk su temini ekipmanlar\u0131.<\/td>\n<\/tr>\n
436L<\/td>\n18Cr-1Mo-Ti\u3001Nb\u3001Zr<\/p>\n

D\u00fc\u015f\u00fck C&N<\/td>\n

Nb, Zr, m\u00fckemmel \u0131s\u0131 direnci ve a\u015f\u0131nma direnci, iyi i\u015flenebilirlik ve kaynaklanabilirlik eklendi.<\/td>\n\u00c7ama\u015f\u0131r makineleri, araba egzozlar\u0131, elektronikler, pi\u015firme kaplar\u0131.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

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

Ferrit paslanmaz \u00e7elik, 11%~30%Cr ve k\u00fcbik kristal ferrit yap\u0131s\u0131na sahip paslanmaz \u00e7eli\u011fi ifade eder. Y\u00fcksek krom i\u00e7eri\u011fi performans\u0131n\u0131 etkileyen ana unsurdur. Ferritik paslanmaz \u00e7eli\u011fin avantajlar\u0131 aras\u0131nda d\u00fc\u015f\u00fck maliyet (nikelsiz), iyi manyetik iletkenlik, m\u00fckemmel stresli korozyon direnci; K\u00fc\u00e7\u00fck \u00e7al\u0131\u015fma sertle\u015fme e\u011filimi, so\u011fuk \u015fekillendirme ve kesme kolayl\u0131\u011f\u0131; [\u2026]<\/p>","protected":false},"author":1,"featured_media":1781,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-1779","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/1779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/comments?post=1779"}],"version-history":[{"count":2,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/1779\/revisions"}],"predecessor-version":[{"id":1820,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/1779\/revisions\/1820"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media\/1781"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media?parent=1779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/categories?post=1779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/tags?post=1779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}