{"id":2130,"date":"2021-04-09T08:56:42","date_gmt":"2021-04-09T08:56:42","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2130"},"modified":"2021-04-09T08:56:42","modified_gmt":"2021-04-09T08:56:42","slug":"304-stainless-steel-vs-403-stainless-steel","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/tr\/304-stainless-steel-vs-403-stainless-steel\/","title":{"rendered":"304 paslanmaz \u00e7elik VS 403 paslanmaz \u00e7elik"},"content":{"rendered":"

304 ve 430 s\u0131n\u0131f\u0131 yayg\u0131n olarak kullan\u0131lan paslanmaz \u00e7elik malzemelerdir. 304 paslanmaz \u00e7elik krom-nikel austenitik paslanmaz \u00e7elik t\u00fcr\u00fcd\u00fcr; yo\u011funlu\u011fu 7,93 g\/cm3 olan ve 18\/8 paslanmaz \u00e7elik olarak da bilinen bu \u00e7elik, 300 serisi paslanmaz \u00e7eliktir. Bu \u00e7elik y\u00fcksek s\u0131cakl\u0131klara (800\u00b0C) dayanabilir, iyi i\u015fleme performans\u0131 ve sertlik \u00f6zelli\u011fine sahiptir ve iyi genel performans gereksinimleri (korozyon direnci ve kal\u0131plama) olan ekipman ve par\u00e7alar\u0131n ihtiya\u00e7lar\u0131 i\u00e7in yayg\u0131n olarak kullan\u0131lmaktad\u0131r. 304L, 304'\u00fcn d\u00fc\u015f\u00fck karbonlu bir versiyonudur; kaynak sonras\u0131 tavlama gerekmez, bu nedenle kal\u0131n \u00f6l\u00e7\u00fclerdeki par\u00e7alar (yakla\u015f\u0131k 5 mm ve \u00fczeri) i\u00e7in yayg\u0131n olarak kullan\u0131lmaktad\u0131r. Daha y\u00fcksek karbon i\u00e7eri\u011fi olan 304H, y\u00fcksek s\u0131cakl\u0131klarda kullan\u0131labilir. Tavlanm\u0131\u015f austenite yap\u0131s\u0131, d\u00fc\u015f\u00fck donma s\u0131cakl\u0131klar\u0131nda bile bu \u00e7eliklerin m\u00fckemmel sertli\u011fine olanak tan\u0131yor.<\/p>\n

D\u00fc\u015f\u00fck karbonlu y\u00fcksek kromlu 430, en yayg\u0131n ferritik paslanmaz \u00e7eliklerden biridir; iyi korozyon direnci g\u00f6sterir ve 18\/0 veya 18-0 olarak da bilinir; paslanmaz \u00e7eliklerin 400 serisinden biridir. So\u011fuk i\u015fleme ile hafif\u00e7e g\u00fc\u00e7lendirilebilir, ancak d\u00fc\u015f\u00fck s\u0131cakl\u0131k dayan\u0131m\u0131 zay\u0131ft\u0131r ve genellikle \u0131s\u0131l i\u015flemle sertle\u015ftirilemez. Is\u0131 iletkenli\u011fi \u00f6stenitten daha iyidir; termal genle\u015fme katsay\u0131s\u0131 \u00f6stenitten daha d\u00fc\u015f\u00fckt\u00fcr; \u0131s\u0131 direnci yorgunlu\u011fu; stabilizat\u00f6r elementi titanyumun eklenmesi sayesinde mekanik \u00f6zelliklerin kaynak diki\u015fi k\u0131sm\u0131n\u0131n iyi olmas\u0131 sa\u011flan\u0131r; bina dekorasyonu, yak\u0131t br\u00fcl\u00f6r\u00fc par\u00e7alar\u0131, ev aletleri ve ev aletleri par\u00e7alar\u0131 i\u00e7in kullan\u0131labilir. 430F, 430 \u00e7eli\u011fi \u00fczerinde serbest kesim performans\u0131 g\u00f6steren bir \u00e7elik t\u00fcr\u00fcd\u00fcr; esas olarak otomatik torna tezgahlar\u0131, c\u0131vata ve somun vb. i\u00e7in kullan\u0131l\u0131r. 430LX, 430 \u00e7eli\u011fine Ti veya Nb ekler, C i\u00e7eri\u011fini azalt\u0131r ve i\u015fleme performans\u0131 ve kaynak performans\u0131 geli\u015ftirir. \u00d6zellikle s\u0131cak su depolar\u0131, \u0131s\u0131tma sistemleri, s\u0131hhi tesisatlar, ev tipi dayan\u0131kl\u0131 cihazlar, bisiklet \u00e7arklar\u0131 vb. i\u00e7in kullan\u0131l\u0131r.<\/p>\n

 <\/p>\n

ASTM A240- Bas\u0131n\u00e7l\u0131 kaplar ve genel ama\u00e7l\u0131 uygulamalar i\u00e7in krom ve krom-nikel ala\u015f\u0131ml\u0131 saclar, levhalar ve \u015feritler i\u00e7in spesifikasyonlar: 430 paslanmaz \u00e7elik, 0,12% karbonun alt\u0131nda, 16-18% krom ve 0,75% nikelin alt\u0131nda olmal\u0131d\u0131r; a\u015fa\u011f\u0131daki tabloda g\u00f6sterildi\u011fi gibi 304 ile 430 aras\u0131ndaki fark:<\/p>\n

Kimyasal bile\u015fim kar\u015f\u0131la\u015ft\u0131rmas\u0131\u00a0<\/strong><\/p>\n\n\n\n\n\n
UNS<\/td>\nC<\/td>\nMn<\/td>\nP<\/td>\nS<\/td>\nSi<\/td>\nCr<\/td>\nNi<\/td>\nMo<\/td>\n<\/tr>\n
S30400<\/td>\n0.07<\/td>\n2.00<\/td>\n0.045<\/td>\n0.03<\/td>\n0.75<\/td>\n17.5-19.5<\/td>\n8.0-10.5<\/td>\n\/<\/td>\n<\/tr>\n
S43000<\/td>\n0.12<\/td>\n1,00<\/td>\n0.04<\/td>\n0.03<\/td>\n1.00<\/td>\n16.0-18.0<\/td>\n0.75<\/td>\n\/<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Makine \u00f6zelliklerinin kar\u015f\u0131la\u015ft\u0131r\u0131lmas\u0131<\/strong><\/p>\n\n\n\n\n\n
Notlar<\/td>\nVerim dayan\u0131m\u0131, Mpa<\/td>\nSertlik de\u011feri, Mpa<\/td>\n2\/50mm, min, aral\u0131kta uzama %<\/td>\nSertlik, HBW<\/td>\n<\/tr>\n
304<\/td>\n205<\/td>\n515<\/td>\n40<\/td>\n183<\/td>\n<\/tr>\n
403<\/td>\n205<\/td>\n450<\/td>\n22<\/td>\n201<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

\u00d6zetle, bunlar esas olarak a\u015fa\u011f\u0131daki hususlarda farkl\u0131l\u0131k g\u00f6sterir:<\/p>\n

    \n
  • Korozyon direnci<\/strong>304 paslanmaz \u00e7eli\u011fin korozyon direnci 430'dan daha iyidir. \u00c7\u00fcnk\u00fc 430 paslanmaz \u00e7elikte krom oran\u0131 .00-18.00'd\u00fcr; bu nedenle esas olarak nikel i\u00e7ermez; 304 paslanmaz \u00e7elikte daha fazla krom ve nikel bulunur;<\/li>\n
  • Kararl\u0131l\u0131k<\/strong>430 paslanmaz \u00e7elik ferrit formdad\u0131r; 304 paslanmaz \u00e7elik ise austenit formdad\u0131r ve 430 paslanmaz \u00e7elikten daha kararl\u0131d\u0131r;<\/li>\n
  • Dayan\u0131kl\u0131l\u0131k<\/strong>304'\u00fcn sertli\u011fi 430 paslanmaz \u00e7elikten daha y\u00fcksektir;<\/li>\n
  • Termal iletkenlik<\/strong>Ferrit 430 paslanmaz \u00e7eli\u011finin termal iletkenli\u011fi 304 paslanmaz \u00e7eli\u011fiyle ayn\u0131d\u0131r;<\/li>\n
  • Makine \u00f6zellikleri<\/strong>430 paslanmaz \u00e7eli\u011fin kaynak diki\u015finin mekanik \u00f6zellikleri, stabil kimyasal element titanyumun eklenmesi sayesinde 304 paslanmaz \u00e7elikten daha iyidir.<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

    Grades 304 and 430 are commonly used stainless steel materials. 304 stainless steel is a general type of chromium-nickel austenitic stainless steel, the density of 7.93 g\/cm3, also known as 18\/8 stainless steel, is 300 series of stainless steel is the most commonly used steel. It can withstand high temperature 800\u2103, has good processing performance […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2130","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t