Alloy20 (N08020), klor\u00fcrler, s\u00fclf\u00fcrik asit, fosforik asit ve nitrik asit i\u00e7eren kimyasallarda toplam, tanecikler aras\u0131, \u00e7ukurla\u015fma ve \u00e7atlak korozyonuna kar\u015f\u0131 m\u00fckemmel dirence sahip, \u00d6stenitik nikel-demir-krom bazl\u0131 bir s\u00fcper ala\u015f\u0131md\u0131r. 316L ile Hastelloy aras\u0131nda korozyon direnci iyidir ve nikel amonyum kompleksleri olu\u015fturmas\u0131 kolay oldu\u011fundan baz\u0131 amin \u00e7\u00f6zeltilerinde 316L paslanmaz \u00e7elik kadar iyi de\u011fildir.<\/p>\n
Ayr\u0131ca 500\u00b0C'ye kadar iyi bir so\u011fuk \u015fekillendirme ve kaynaklanabilirli\u011fe sahiptir. D\u00fc\u015f\u00fck karbon i\u00e7eri\u011fi ve niyobyum ilavesi, HEAT'tan etkilenen b\u00f6lgede karb\u00fcrlerin \u00e7\u00f6kelmesini azaltmaya yard\u0131mc\u0131 olur, bu nedenle \u00e7o\u011fu durumda kaynakl\u0131 durumda kullan\u0131labilir.<\/p>\n
Uzun zamand\u0131r bir\u00e7ok ki\u015fi \u015fu konuyu tart\u0131\u015f\u0131yor: Ala\u015f\u0131m 20 paslanmaz \u00e7elik mi yoksa nikel Ala\u015f\u0131m m\u0131? 32-38% nikel i\u00e7eri\u011fi 36%'ye \u00e7ok yak\u0131n oldu\u011fundan, paslanmaz \u00e7elik ile nikel bazl\u0131 ala\u015f\u0131mlar aras\u0131ndaki s\u0131n\u0131r, malzemelerin s\u0131n\u0131fland\u0131r\u0131lmas\u0131n\u0131 bulan\u0131kla\u015ft\u0131r\u0131r. Genel olarak ala\u015f\u0131m20'nin nikel ala\u015f\u0131m\u0131 oldu\u011fu do\u011frudur. ASTM A240'\u0131n yeni bask\u0131s\u0131, ala\u015f\u0131m 20'yi i\u00e7eriyor ve bu da ala\u015f\u0131m 20'nin yandan paslanmaz \u00e7elik olarak s\u0131n\u0131fland\u0131r\u0131ld\u0131\u011f\u0131n\u0131 destekliyor. Alloy20 plakalar ASTM B463, ASME SB463'e uygundur. N08904 (904L), N08926(1.4529), vb. ile ayn\u0131 malzemeler, ASTM B nikel ala\u015f\u0131m\u0131 standart serisinde erken s\u0131n\u0131fland\u0131r\u0131lm\u0131\u015ft\u0131r.<\/p>\n
<\/p>\n
Alloy20, kaynak \u00f6zellikleri a\u00e7\u0131s\u0131ndan nikel ala\u015f\u0131m\u0131n\u0131n ortak \u00f6zelliklerine sahiptir, yani kaynak yaparken genellikle so\u011fuk \u00e7atlaklar olu\u015fturmaz, s\u0131cak \u00e7atlaklar \u00fcretmeye daha yatk\u0131nd\u0131r. Nikel ve k\u00fck\u00fcrt nedeniyle, fosfor d\u00fc\u015f\u00fck erime noktal\u0131 \u00f6tektik olu\u015fturabilir, kat\u0131la\u015fma genellikle kal\u0131n bir dendritik ostenit kristali olu\u015fturur, d\u00fc\u015f\u00fck erime noktal\u0131 safs\u0131zl\u0131\u011f\u0131n tane s\u0131n\u0131r\u0131na, tane boyutuna ve kat\u0131la\u015fma b\u00fcz\u00fclme stresinin ve kaynak stresinin etkisine odaklanmas\u0131 daha olas\u0131d\u0131r. D\u00fc\u015f\u00fck erime noktal\u0131 malzemenin tane s\u0131n\u0131r\u0131n\u0131n tamamen kat\u0131la\u015fmas\u0131, s\u0131cak \u00e7atlak olu\u015fumunun \u00e7atlamas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r, bu nedenle kaynak malzemesinin k\u00fck\u00fcrt ve fosfor i\u00e7eri\u011fini s\u0131k\u0131 bir \u015fekilde kontrol etmelidir.<\/p>\n
Ala\u015f\u0131m 20, stresli korozyon \u00e7atlamas\u0131na kar\u015f\u0131 m\u00fckemmel dirence, yerel korozyona kar\u015f\u0131 iyi dirence, bir\u00e7ok kimyasal proses ortam\u0131nda, klor gaz\u0131 ve klor\u00fcr, kuru klor gaz\u0131, formik ve asetik asit, anhidrit, deniz suyu ve tuzlu su i\u00e7eren her t\u00fcrl\u00fc ortamda tatmin edici korozyon direncine sahiptir. Ayn\u0131 zamanda, 20 ala\u015f\u0131ml\u0131 oksidasyonu azaltan kompozit ortam korozyonu, genellikle s\u00fclf\u00fcrik asit ortam\u0131nda ve halojen iyonlar\u0131 ve metal iyonlar\u0131 i\u00e7eren hidrometalurji ve s\u00fclf\u00fcrik asit end\u00fcstriyel ekipmanlar\u0131 gibi s\u00fclf\u00fcrik asit \u00e7\u00f6zeltisi uygulamalar\u0131nda kullan\u0131l\u0131r.<\/p>\n
\u0130lk olarak 1951 y\u0131l\u0131nda s\u00fclf\u00fcrik asit uygulamas\u0131 i\u00e7in geli\u015ftirilen ala\u015f\u0131m 20, s\u00fclf\u00fcrik asit end\u00fcstriyel ortamlar\u0131 i\u00e7in tercih edilen ala\u015f\u0131md\u0131r. 20% ~ 40% kaynar s\u00fclf\u00fcrik asitte stres korozyon \u00e7atlamas\u0131na kar\u015f\u0131 m\u00fckemmel diren\u00e7 g\u00f6sterir ve kimya end\u00fcstrisi, g\u0131da end\u00fcstrisi, ila\u00e7 end\u00fcstrisi ve plastik gibi bir\u00e7ok end\u00fcstri i\u00e7in m\u00fckemmel bir malzemedir. Is\u0131 e\u015fanj\u00f6rlerinde, kar\u0131\u015ft\u0131rma tanklar\u0131nda, metal temizleme ve dekapaj ekipmanlar\u0131nda ve boru hatlar\u0131nda kullan\u0131labilir. Ala\u015f\u0131m 20 ayr\u0131ca sentetik kau\u00e7uk \u00fcretim ekipmanlar\u0131, ila\u00e7, plastik, organik ve a\u011f\u0131r kimyasal i\u015fleme, depolama tanklar\u0131, borular, \u0131s\u0131 e\u015fanj\u00f6rleri, pompalar, vanalar ve di\u011fer proses ekipmanlar\u0131, dekapaj ekipmanlar\u0131, kimyasal proses borular\u0131, kabarc\u0131k kapaklar\u0131, g\u0131da ve boya \u00fcretiminde s\u0131kl\u0131kla kullan\u0131lmaktad\u0131r.<\/p>","protected":false},"excerpt":{"rendered":"
Alloy20 (N08020), klor\u00fcrler, s\u00fclf\u00fcrik asit, fosforik asit ve nitrik asit i\u00e7eren kimyasallarda toplam, tanecikler aras\u0131, \u00e7ukurla\u015fma ve \u00e7atlak korozyonuna kar\u015f\u0131 m\u00fckemmel dirence sahip, \u00d6stenitik nikel-demir-krom bazl\u0131 bir s\u00fcper ala\u015f\u0131md\u0131r. 316L ile Hastelloy aras\u0131nda korozyon direnci iyidir, baz\u0131 amin \u00e7\u00f6zeltilerinde ise 316L paslanmaz \u00e7elik kadar iyi de\u011fildir \u00e7\u00fcnk\u00fc kolay [\u2026]<\/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-2200","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2200","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=2200"}],"version-history":[{"count":2,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2200\/revisions"}],"predecessor-version":[{"id":2203,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/posts\/2200\/revisions\/2203"}],"wp:attachment":[{"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/media?parent=2200"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/categories?post=2200"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wldstainless.com\/tr\/wp-json\/wp\/v2\/tags?post=2200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}