{"id":2121,"date":"2021-03-31T08:52:53","date_gmt":"2021-03-31T08:52:53","guid":{"rendered":"https:\/\/wldstainless.com\/?p=2121"},"modified":"2021-03-31T09:06:23","modified_gmt":"2021-03-31T09:06:23","slug":"302hq-vs-304-stainless-steel","status":"publish","type":"post","link":"https:\/\/wldstainless.com\/tr\/302hq-vs-304-stainless-steel\/","title":{"rendered":"302HQ VS 304 Paslanmaz \u00c7elik"},"content":{"rendered":"

302HQ paslanmaz \u00e7elik, \u00f6zellikle kendinden k\u0131lavuzlu vidalar\u0131n ve hafif mekanik vidalar\u0131n \u00fcretiminde kullan\u0131lan standart bir malzemedir. Ayr\u0131ca c\u0131vatalarda, ayar vidalar\u0131nda, per\u00e7inlerde ve \u00f6zel ba\u011flant\u0131 elemanlar\u0131nda da kullan\u0131l\u0131r. 302HQ ad\u0131 standartla\u015ft\u0131r\u0131lmam\u0131\u015ft\u0131r. ASTM, onu \u201cXM-7\u201d, \u201c304CU\u201d ve \u201c304HQ\u201dyu da i\u00e7eren UNS S30430 olarak listeliyor. Art\u0131k so\u011fuk \u015fi\u015firme amac\u0131yla 384 ve 305 \u00e7eli\u011fin yerini tamamen alm\u0131\u015ft\u0131r. ISO 3506, Paslanmaz \u00e7elik ba\u011flant\u0131 elemanlar\u0131 i\u00e7in standart spesifikasyon, "A2" s\u0131n\u0131f\u0131 ba\u011flant\u0131 elemanlar\u0131 i\u00e7in uygun bir bile\u015fen olarak 302HQ; Yayg\u0131n olarak A2-70 ve A2-80 mukavemetindeki ba\u011flant\u0131 elemanlar\u0131n\u0131n \u00fcretiminde kullan\u0131l\u0131r. Kararl\u0131 \u00f6stenitik yap\u0131, 302HQ'nun kapsaml\u0131 so\u011fuk i\u015flemlerden sonra bile manyetik olmamas\u0131na ve donma s\u0131cakl\u0131\u011f\u0131 kadar d\u00fc\u015f\u00fck s\u0131cakl\u0131klarda m\u00fckemmel toklu\u011fu korumas\u0131na olanak tan\u0131r. 304 paslanmaz \u00e7elikle kar\u015f\u0131la\u015ft\u0131r\u0131ld\u0131\u011f\u0131nda, 302HQ'ya 3% bak\u0131r eklenmesi so\u011fuk i\u015f sertle\u015ftirme oran\u0131n\u0131 \u00f6nemli \u00f6l\u00e7\u00fcde azaltabilir. Kimyasal bile\u015fim ve fiziksel \u00f6zellikler a\u015fa\u011f\u0131da g\u00f6sterilmi\u015ftir:<\/p>\n

 <\/p>\n

E\u015fde\u011fer Malzeme<\/strong><\/p>\n\n\n\n\n
Notlar<\/td>\nUNS Hay\u0131r<\/td>\nD\u0130N<\/td>\nTR<\/td>\nJIS<\/td>\n<\/tr>\n
302HQ<\/td>\nS30430<\/td>\n1.4567<\/td>\nX3CrNiCu18-9-4<\/td>\nSUSXM7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Kimyasal Bile\u015fimi (ASTM A493 S30430)<\/strong><\/p>\n\n\n\n\n
Notlar<\/td>\nC<\/td>\nMn<\/td>\nSi<\/td>\nP<\/td>\nS<\/td>\nCR<\/td>\nAy<\/td>\nNi<\/td>\nCu<\/td>\n<\/tr>\n
302HQ<\/td>\n0.03<\/td>\n2.00<\/td>\n1.00<\/td>\n0.045<\/td>\n0.03<\/td>\n17.0-19.0<\/td>\n\/<\/td>\n8.0-10.0<\/td>\n3.0-4.0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n

Mekanik \u00d6zellik<\/strong><\/p>\n

302HQ \u00e7ekme mukavemeti: Tavlama: 605, Hafif \u00e7ekme: 660<\/p>\n

Yo\u011funluk: 7900kg\/\u33a1<\/p>\n

Esneklik mod\u00fcl\u00fc: 193Gpa<\/p>\n

Ortalama termal genle\u015fme katsay\u0131s\u0131: 0-100\u00b0C (um\/m\/\u00b0C) 17,2; 0-315\u00b0C (um\/m\/\u00b0); 0-538\u00b0C (18,8)<\/p>\n

Is\u0131 iletkenli\u011fi: 100\u00b0C (W\/ M.K) 16,3; 500\u00b0C (G\/E.K) 21,5<\/p>\n

\u00d6zg\u00fcl \u0131s\u0131: 0-100\u00b0C (J\/ kg.K) 500;<\/p>\n

Diren\u00e7: 720<\/p>\n

 <\/p>\n

Korozyon direnci<\/strong><\/p>\n

Korozyon direnci 304 paslanmaz \u00e7eli\u011fe e\u015fde\u011fer veya ondan \u00fcst\u00fcnd\u00fcr. S\u0131cak klor\u00fcr ortam\u0131nda \u00e7ukurla\u015fma ve \u00e7atlak korozyonunun olu\u015fmas\u0131 kolayd\u0131r ve s\u0131cakl\u0131k yakla\u015f\u0131k 50\u00b0C'nin \u00fczerinde oldu\u011funda gerilimli korozyon \u00e7atlamas\u0131 hassast\u0131r. 302HQ, oda s\u0131cakl\u0131\u011f\u0131nda i\u00e7me suyunda yakla\u015f\u0131k 200 mg\/L klor\u00fcre ve 60\u00b0C'de 150 mg\/L klor\u00fcre dayanabilir.<\/p>\n

 <\/p>\n

Is\u0131ya Dayan\u0131kl\u0131 Performans<\/strong><\/p>\n

\u0130yi oksidasyon direnci, aral\u0131kl\u0131 kullan\u0131m s\u0131cakl\u0131\u011f\u0131 870\u00b0C'ye kadar, s\u00fcrekli kullan\u0131m s\u0131cakl\u0131\u011f\u0131 925\u00b0C'ye kadar. 302HQ'nun d\u00fc\u015f\u00fck karbon i\u00e7eri\u011fi nedeniyle, 425 ila 860\u00b0C s\u0131cakl\u0131k aral\u0131\u011f\u0131nda s\u00fcrekli kullan\u0131m i\u00e7in g\u00fcvenlidir (karb\u00fcr \u00e7\u00f6kelmesi yoktur).<\/p>\n

 <\/p>\n

Is\u0131 tedavisi<\/strong><\/p>\n

\u00c7\u00f6zelti i\u015flemi (tavlama) 1010-1120\u00b0C'ye \u0131s\u0131t\u0131l\u0131r ve h\u0131zla so\u011futulur. Is\u0131l i\u015flem onu sertle\u015ftirmez.<\/p>\n

 <\/p>\n

Kaynaklanabilirlik<\/strong><\/p>\n

M\u00fckemmel kaynaklanabilirlik, t\u00fcm standart ergitme kaynak y\u00f6ntemleri (dolgu metali i\u00e7ersin veya i\u00e7ermesin) kullan\u0131labilir. 308L elektrot kullan\u0131n. Telleri birle\u015ftirmek i\u00e7in diren\u00e7li al\u0131n kayna\u011f\u0131n\u0131n kullan\u0131ld\u0131\u011f\u0131 saplama kaynakl\u0131 ba\u011flant\u0131 elemanlar\u0131n\u0131n imalat\u0131 d\u0131\u015f\u0131nda kaynak genellikle gerekli de\u011fildir.<\/p>\n

 <\/p>\n

\u0130\u015fleme\u00a0<\/strong><\/p>\n

302HQ nadiren i\u015flenir. Kalitenin \u00e7ok d\u00fc\u015f\u00fck k\u00fck\u00fcrt i\u00e7eri\u011fi vard\u0131r, bu da \u015fekillendirilebilirli\u011fine yard\u0131mc\u0131 olur ancak i\u015flenebilirli\u011fini azalt\u0131r. Geli\u015ftirilmi\u015f 302HQ (UGIMA 4567) \u00e7ok y\u00fcksek i\u015flenebilirli\u011fe, biraz daha y\u00fcksek k\u00fck\u00fcrt i\u00e7eri\u011fine sahiptir ve ayr\u0131ca y\u00fczeyde kapsaml\u0131 so\u011fuk \u015fekillendirme ve i\u015fleme operasyonlar\u0131 gerektiren kullan\u0131m i\u00e7in kalsiyumla i\u015flenir. 18\/8 \u00e7elik<\/a>.<\/p>\n

 <\/p>\n

So\u011fuk \u0130\u015f Sertle\u015ftirmesi<\/strong><\/p>\n

302HQ, yayg\u0131n \u00f6stenitik paslanmaz \u00e7elik kaliteleri aras\u0131nda en d\u00fc\u015f\u00fck i\u015flenme sertle\u015fmesi oran\u0131d\u0131r. Tel \u00e7ekme verilerine g\u00f6re so\u011fuk \u00e7al\u0131\u015fma alan\u0131 1% azald\u0131\u011f\u0131nda \u00e7ekme mukavemeti 8MPa artmaktad\u0131r. Kapsaml\u0131 so\u011fuk \u00e7al\u0131\u015fmalardan sonra bile marka, m\u0131knat\u0131slara kar\u015f\u0131 esasen tepkisiz kal\u0131yor. Baz\u0131 y\u00fcksek mukavemetli so\u011fuk \u015fi\u015firme ba\u011flant\u0131 elemanlar\u0131 biraz daha y\u00fcksek bir i\u015f sertle\u015ftirme h\u0131z\u0131 gerektirir, bu nedenle 304<\/a> veya 302HQ yerine 304L (veya \u00f6zel s\u0131n\u0131f 304M) kullan\u0131lmal\u0131d\u0131r; Bu kalitelerin i\u015f sertle\u015fme oran\u0131 yakla\u015f\u0131k 10-12.5MPa'd\u0131r.<\/p>\n

 <\/p>\n

tipik uygulamalar<\/strong><\/p>\n

Kendinden k\u0131lavuzlu vidalar, \u00e7at\u0131 c\u0131vatalar\u0131, mekanik vidalar, c\u0131vatalar, ayar vidalar\u0131, k\u00f6r per\u00e7inler vb. dahil olmak \u00fczere t\u00fcm sert so\u011fuk d\u00f6vme uygulamalar\u0131.<\/p>","protected":false},"excerpt":{"rendered":"

302HQ paslanmaz \u00e7elik, \u00f6zellikle kendinden k\u0131lavuzlu vidalar\u0131n ve hafif mekanik vidalar\u0131n \u00fcretiminde kullan\u0131lan standart bir malzemedir. Ayr\u0131ca c\u0131vatalarda, ayar vidalar\u0131nda, per\u00e7inlerde ve \u00f6zel ba\u011flant\u0131 elemanlar\u0131nda da kullan\u0131l\u0131r. 302HQ ad\u0131 standartla\u015ft\u0131r\u0131lmam\u0131\u015ft\u0131r. ASTM, onu \u201cXM-7\u201d, \u201c304CU\u201d ve \u201c304HQ\u201dyu da i\u00e7eren UNS S30430 olarak listeliyor. Art\u0131k tamamen [\u2026]<\/p>","protected":false},"author":1,"featured_media":2123,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-2121","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\/2121","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=2121"}],"version-history":[{"count":3,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2121\/revisions"}],"predecessor-version":[{"id":2125,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2121\/revisions\/2125"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media\/2123"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media?parent=2121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/categories?post=2121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/tags?post=2121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}