{"id":2144,"date":"2021-05-13T13:40:57","date_gmt":"2021-05-13T13:40:57","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2144"},"modified":"2021-05-13T13:50:56","modified_gmt":"2021-05-13T13:50:56","slug":"dual-grade-stainless-steel-304-304l-316-316l","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/tr\/dual-grade-stainless-steel-304-304l-316-316l\/","title":{"rendered":"\u00c7ift dereceli paslanmaz \u00e7elik 304 \/304L, 316\/316L"},"content":{"rendered":"<p>\u00d6stenitik paslanmaz \u00e7elikler en yayg\u0131n kullan\u0131lan paslanmaz \u00e7eliklerdir ve toplam paslanmaz \u00e7elik t\u00fcketiminin yakla\u015f\u0131k 75%&#039;sini olu\u015ftururlar. Kimya end\u00fcstrisinin ve petrokimya end\u00fcstrisinin h\u0131zl\u0131 geli\u015fimi, paslanmaz \u00e7eli\u011fin korozyon direnci ve mukavemeti i\u00e7in daha y\u00fcksek gereksinimler ortaya \u00e7\u0131karm\u0131\u015ft\u0131r. \u00d6rne\u011fin, 304\/304L \u00e7ift kalite paslanmaz \u00e7elik, daha d\u00fc\u015f\u00fck karbon i\u00e7eri\u011fine sahip oldu\u011fu, yani 0,03%&#039;den daha az oldu\u011fu ve 304L kalitelerini kar\u015f\u0131lad\u0131\u011f\u0131 anlam\u0131na gelirken, akma ve \u00e7ekme mukavemeti 304 paslanmaz \u00e7eli\u011fin alt s\u0131n\u0131r\u0131ndan daha y\u00fcksek oldu\u011fu anlam\u0131na gelir. olarak tan\u0131mlanmak <a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/304-304l-stainless-steel\/\">304\/304L<\/a> \u00e7ift dereceli paslanmaz \u00e7elik, yani kimyasal bile\u015fimi 304L&#039;ninkine uygundur ve mekanik \u00f6zellikleri 304 paslanmaz \u00e7eli\u011fin gereksinimlerini kar\u015f\u0131lar. Benzer \u015fekilde, bir paslanmaz \u00e7elik levha 304\/304H ikili sertifikal\u0131 olabilir \u00e7\u00fcnk\u00fc 304H (minimum 0,040%) gereklili\u011fini kar\u015f\u0131lamak i\u00e7in yeterli karbon i\u00e7eri\u011fine sahiptir ve ayn\u0131 zamanda 304H tane boyutu ve mukavemet gerekliliklerini de kar\u015f\u0131lamaktad\u0131r.<a href=\"https:\/\/wldstainless.com\/materials\/austenitic-stainless-steel\/316-316l-stainless-steel\/\">316L<\/a> ve di\u011fer \u00e7ift kalite paslanmaz \u00e7elik.<\/p>\n<p>En \u00f6nemlisi karbondaki fark ve bunun sonucunda ortaya \u00e7\u0131kan dayan\u0131kl\u0131l\u0131kt\u0131r. Karbon, etkili bir \u00f6stenitik stabilizasyon eleman\u0131d\u0131r ve \u00f6zellikle y\u00fcksek s\u0131cakl\u0131klarda paslanmaz \u00e7eli\u011fin mukavemetini art\u0131ran bir yabanc\u0131 madde veya ala\u015f\u0131m elementi olarak d\u00fc\u015f\u00fcn\u00fclebilir. \u00c7o\u011fu \u00f6stenitik paslanmaz \u00e7elikteki karbon i\u00e7eri\u011fi 0,02% ~ 0,04%&#039;nin alt\u0131ndad\u0131r. Kaynak sonras\u0131 iyi bir korozyon direncine sahip olmak i\u00e7in d\u00fc\u015f\u00fck karbonlu paslanmaz \u00e7eli\u011fin karbon i\u00e7eri\u011fi 0,030%&#039;nin alt\u0131nda kontrol edilir. Y\u00fcksek s\u0131cakl\u0131k mukavemetini artt\u0131rmak i\u00e7in y\u00fcksek karbon veya &quot;H&quot; s\u0131n\u0131f\u0131 karbon i\u00e7eri\u011fi 0,04% veya biraz daha y\u00fcksek seviyede tutulur.<\/p>\n<p>Y\u00fczey merkezli k\u00fcbik yap\u0131daki daha k\u00fc\u00e7\u00fck karbon atomlar\u0131, daha b\u00fcy\u00fck Cr, Ni ve Mo atomlar\u0131 aras\u0131ndaki kafes bo\u015fluklar\u0131nda bulunur, bu da dislokasyon hareketini s\u0131n\u0131rlar, s\u00fcneklik deformasyonunu engeller ve paslanmaz \u00e7eli\u011fi g\u00fc\u00e7lendirir. Kaynak i\u015fleminde oldu\u011fu gibi artan s\u0131cakl\u0131k ko\u015fullar\u0131 alt\u0131nda, karbonun, krom a\u00e7\u0131s\u0131ndan zengin karb\u00fcr i\u00e7eren paslanmaz \u00e7elik matriste kromu \u00e7\u00f6keltme e\u011filimi vard\u0131r ve ikinci faz, tane merkezinden ziyade tane s\u0131n\u0131r\u0131nda \u00e7\u00f6kelme e\u011filimindedir; bu nedenle krom karb\u00fcr, tane s\u0131n\u0131r\u0131nda olu\u015fmas\u0131 kolayd\u0131r.<\/p>\n<p>Krom, paslanmaz \u00e7eli\u011fin korozyon direncini artt\u0131rmak i\u00e7in gerekli bir elementtir, ancak krom karb\u00fcr, paslanmaz \u00e7elik matristen \u00e7\u0131kar\u0131l\u0131r, dolay\u0131s\u0131yla buradaki korozyon direnci, paslanmaz \u00e7elik matrisin geri kalan\u0131ndan daha k\u00f6t\u00fcd\u00fcr. Karbon i\u00e7eri\u011finin artt\u0131r\u0131lmas\u0131 s\u0131cakl\u0131k aral\u0131\u011f\u0131n\u0131 uzatabilir, b\u00f6ylece hassasiyet veya korozyon direnci kayb\u0131 s\u00fcresi k\u0131sal\u0131r, karbon i\u00e7eri\u011finin azalt\u0131lmas\u0131 kaynakta karb\u00fcr olu\u015fumunu geciktirebilir veya tamamen \u00f6nleyebilir. 304L ve 316L gibi d\u00fc\u015f\u00fck karbonlu kalitelerin karbon i\u00e7eri\u011fi 0,030%&#039;den azd\u0131r; 6%Mo gibi y\u00fcksek ala\u015f\u0131ml\u0131 Ostenit kalitelerinin \u00e7o\u011funun karbon i\u00e7eri\u011fi 0,020%&#039;den azd\u0131r. Karbon i\u00e7eri\u011findeki azalma nedeniyle mukavemetteki azalmay\u0131 telafi etmek i\u00e7in bazen paslanmaz \u00e7eli\u011fi g\u00fc\u00e7lendirmek amac\u0131yla ba\u015fka bir ara element nitrojen eklenir.<\/p>\n<p>\u00c7ift dereceli paslanmaz \u00e7elik, hem geleneksel paslanmaz \u00e7eli\u011fin y\u00fcksek mukavemetine hem de ultra d\u00fc\u015f\u00fck karbonlu paslanmaz \u00e7eli\u011fin korozyon direncine sahiptir. \u00c7o\u011fu \u00d6stenitik paslanmaz \u00e7eli\u011fin zay\u0131f kaynak ba\u011flant\u0131 performans\u0131 sorununu \u00e7\u00f6zebilir, d\u00fc\u015f\u00fck s\u0131cakl\u0131kta LNG al\u0131c\u0131 istasyon ekipmanlar\u0131nda ve geni\u015f \u00e7apl\u0131 boru hatt\u0131nda yayg\u0131n olarak kullan\u0131lmaktad\u0131r. \u00c7ift dereceli paslanmaz \u00e7eli\u011fin fiyat\u0131 temel olarak ultra d\u00fc\u015f\u00fck karbonlu paslanmaz \u00e7elikle ayn\u0131d\u0131r. Art\u0131k birka\u00e7 \u00c7inli \u00e7elik fabrikas\u0131 olgun pazara y\u00f6nelik kaliteleri tedarik edebiliyor. \u0130lgilenenler l\u00fctfen bizimle ileti\u015fime ge\u00e7sin.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00d6stenitik paslanmaz \u00e7elikler en yayg\u0131n kullan\u0131lan paslanmaz \u00e7eliklerdir ve toplam paslanmaz \u00e7elik t\u00fcketiminin yakla\u015f\u0131k 75%&#039;sini olu\u015ftururlar. Kimya end\u00fcstrisinin ve petrokimya end\u00fcstrisinin h\u0131zl\u0131 geli\u015fimi, paslanmaz \u00e7eli\u011fin korozyon direnci ve mukavemeti i\u00e7in daha y\u00fcksek gereksinimler ortaya \u00e7\u0131karm\u0131\u015ft\u0131r. \u00d6rne\u011fin, 304\/304L \u00e7ift dereceli paslanmaz \u00e7elik, sahip oldu\u011fu anlam\u0131na gelir [\u2026]<\/p>","protected":false},"author":1,"featured_media":2146,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2144","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\/2144","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=2144"}],"version-history":[{"count":3,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2144\/revisions"}],"predecessor-version":[{"id":2148,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2144\/revisions\/2148"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media\/2146"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media?parent=2144"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/categories?post=2144"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/tags?post=2144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}