Ọdịiche dị n'etiti 904 igwe anaghị agba nchara na ntupu igwe anaghị agba nchara 904L na-egosipụtakarị n'akụkụ ndị a:
Ngwakọta kemịkalụ:
· Ọ bụ ezie na 904 igwe anaghị agba nchara waya ntupu nwere corrosion-eguzogide àgwà nke austenitic igwe anaghị agba nchara, kpọmkwem chemical mejupụtara na-adịghị kwuru n'ụzọ zuru ezu na akwụkwọ edemede.
· 904L igwe anaghị agba nchara waya ntupu (a makwaara dị ka super austenitic igwe anaghị agba nchara) nwere kpọmkwem chemical mejupụtara. Ọ nwere 14.0% ruo 18.0% chromium, 24.0% ruo 26.0% nickel, na 4.5% molybdenum. Nke a dị elu nickel na nnukwu molybdenum mejupụtara na-enye ya ezigbo nguzogide corrosion.
Nguzogide corrosion:
Ha abụọ nwere ezigbo nguzogide corrosion, mana igwe anaghị agba nchara 904L nwere nguzogide corrosion ka mma. Karịsịa, ọ nwere ezigbo nguzogide corrosion na acid ndị na-adịghị oxidizing dị ka sulfuric acid, acetic acid, formic acid, phosphoric acid, wdg, ma na-egosipụta ezigbo nguzogide pitting, crevice corrosion na corrosion corrosion na mgbasa ozi ion chloride na-anọpụ iche.
N'ụzọ dị iche, ọ bụ ezie na nguzogide corrosion nke 904 igwe anaghị agba nchara nchara dịkwa ike nke ukwuu, ekwughị kpọmkwem data na oke n'ime akụkọ ntụaka.
Njirimara igwe:
904L igwe anaghị agba nchara waya ntupu nwere nnukwu ike na ike, yana ezigbo plasticity na ike. Ihe ndị a na-arụ ọrụ na-enyere ya aka imezu ihe nhazi na mmepụta ihe dị iche iche.
Banyere ihe eji arụ ọrụ nke igwe anaghị agba nchara 904, ekwughị ozi akọwapụtara n'ụzọ zuru ezu na edemede ntụaka.
Mpaghara ngwa:
N'ihi nguzogide corrosion ya dị mma na ihe eji arụ ọrụ, a na-ejikarị eriri waya igwe anaghị agba nchara 904L na gburugburu ebe ọrụ siri ike, dị ka mmanụ ala, ngwa mmanụ ala, ngwaọrụ desulfurization gas na ụlọ ọrụ ọkụ, sistemụ mmiri ma ọ bụ ọgwụgwọ mmiri mmiri.
· 904 igwe anaghị agba nchara waya ntupu nwere corrosion eguzogide na ike ga-eji na corrosion-eguzogide ubi.
· 904L igwe anaghị agba nchara waya ntupu nwere mma arụmọrụ karịa 904 igwe anaghị agba nchara waya ntupu n'usoro nke chemical mejupụtara, corrosion eguzogide, n'ibu Njirimara na ịgbado ọkụ arụmọrụ, ya mere, ọ na-ejikarị na-achọsi ọrụ gburugburu.