Ụdị ihe onwunwetube nhazi

Ọtụtụ mgbanwe ihe na-anọchi anya ọkara ozize e ji mara, ya bụ chemical ngwaahịa na ha ịta, ikuku ọnọdụ, okpomọkụ, oge, otú ọ bụrụ na-aghọtaghị kpọmkwem ọdịdị nke na-ajụ, na-eme ka ojiji nke ihe, oke nke ihe siri ike.Agbanyeghị, enwere ike iji ntuziaka ndị a dị ka nhọrọ:

304 n'oge niile eji ihe eji eme ihe.Na ụlọ nwere ike idi n'ozuzu corrosion, nwere ike idi nri nhazi etching ọkara (nwere concentrated acid ma elu okpomọkụ na chloride ọdịnaya nwere ike iyi ozize), organic ogige, e ji esiji, na gafee a dịgasị iche iche nke inorganic ogige nwere ike iguzogide.

304L (carbon dị ala) nwere ezigbo iguzogide nitric acid, yana okpomọkụ na-adịgide adịgide na ịta sulfuric acid, nke ejiri ya mee ihe dị ka mmiri mmiri na tankị gas niile, nke ejiri akụrụngwa cryogenic (304N), ngwaahịa ndị ọzọ na-eji ngwa ngwa, akụrụngwa kichin, akụrụngwa ụlọ ọgwụ, ngwa ụgbọ njem, akụrụngwa eji eji mmiri eme ihe.

316 nwere nickel dị ntakịrị karịa 304 ma nwee 2%─3% molybdenum, nguzogide corrosion karịa Ụdị 304, na-adabere na isi ihe pụrụ iche nke mbuze nke mgbasa ozi chloride kpatara.A na-eji 316 mee ihe dị ka igwe sulfite pulp na-emepụta ihe, n'ihi na ọ na-adịgide adịgide sulfate compound.Ọzọkwa, ejirila ya mee ihe iji jikwaa ọtụtụ ngwaahịa kemịkalụ na ụlọ ọrụ nhazi.

317 nwere 3% -4% molybdenum (a na-enwetakwa ọkwa dị elu n'usoro isiokwu a), ma nwee ụdị chromium karịrị 316, nwere nguzogide dị elu na pitting corrosion na crevice corrosion arụmọrụ.

430 dị ala karịa ọdịnaya alloy 304, a na-eji ya na ikuku na-ekpo ọkụ nke ejiri mma mara mma chọọ ya mma, enwere ike iji nitric acid na ngwa nhazi nri.

410 nwere atọ n'ozuzu ojiji nke igwe anaghị agba nchara na ala alloy ọdịnaya, ị chọrọ ike na corrosion iguzogide na elu ibu-ebu ihe eji, dị ka siri ike iberibe.410 na ikuku na-ekpo ọkụ, mmiri, gas na ngwaahịa kemịkalụ na mgbasa ozi ọtụtụ nguzogide corrosion na-agafeghị oke.

2205 karịa 304 na 316 dị elu, n'ihi na nhazi nke ọkpọkọ ya chloride stress corrosion cracking nwere nnukwu ike iguzogide.