Ekwesịrị ịsị na ihe niile austenitic igwe anaghị agba nchara mmiri ọkpọkọ nwere njirimara nke nguzogide corrosion, oke okpomọkụ na-eguzogide na nrụgide nrụgide.Naanị ikwu okwu, ha nwere njirimara na ọrụ doro anya dị iche iche:
304: Nguzogide corrosion nkịtị na nnukwu okpomọkụ na-eguzogide igwe anaghị agba nchara, 304 nwere ezigbo nguzogide corrosion intergranular, arụmọrụ corrosion dị mma, arụ ọrụ oyi na stamping, enwere ike iji ya dị ka igwe anaghị agba nchara na-ekpo ọkụ.N'otu oge ahụ, ihe eji arụ ọrụ nke ígwè ahụ ka dị mma na -180 ° C.Na steeti ngwọta siri ike, ígwè ahụ nwere ezigbo plasticity, ike na oyi na-arụ ọrụ;ọ nwere ezigbo nguzogide corrosion na acid oxidizing, ikuku, mmiri na mgbasa ozi ndị ọzọ.
304L bụ ihe dị iche iche nke igwe anaghị agba nchara 304 nwere ọdịnaya carbon dị ala ma ejiri ya ebe achọrọ ịgbado ọkụ.Ọdịnaya carbon dị ala na-ebelata oke mmiri nke carbide na mpaghara okpomọkụ emetụtara n'akụkụ weld, nke nwere ike ibute corrosion intergranular (weld attack) na igwe anaghị agba nchara na mpaghara ụfọdụ.
Nguzogide corrosion nke 316/316L igwe anaghị agba nchara dị mma karịa nke 304 igwe anaghị agba nchara, ọ nwekwara ezigbo nguzogide corrosion na usoro mmepụta nke pulp na akwụkwọ.N'ihi mgbakwunye nke Mo, ọ nwere ezigbo nguzogide corrosion, ọkachasị nkwụsi ike;ike okpomọkụ dị elu dịkwa oke mma;ezigbo ọrụ hardening (magnetic adịghị ike mgbe nhazi);na-abụghị magnetik na siri ike ngwọta steeti.Ọ na-enwekwa ezigbo nguzogide chloride corrosion, n'ihi ya, a na-ejikarị ya na gburugburu mmiri ma ọ bụ ọrụ ihe owuwu n'akụkụ oké osimiri.
321 igwe anaghị agba nchara bụ a Ni-Cr-Ti ụdị austenitic igwe anaghị agba nchara ulo oru ọkpọkọ, ya arụmọrụ dị nnọọ ka 304, ma n'ihi na mgbakwunye na nke metal titanium, ọ nwere mma intergranular corrosion iguzogide na elu okpomọkụ ike.N'ihi mgbakwunye nke titanium metal, ọ na-achịkwa nke ọma nguzobe nke chromium carbide.321 igwe anaghị agba nchara nwere ọmarịcha oke nrụgide nrụgide okpomọkụ (Stress Ripture) arụmọrụ na oke okpomọkụ na-eguzogide (Creep Resistance) ihe nrụnye nrụgide dị mma karịa 304 igwe anaghị agba nchara.Ti in 321 igwe anaghị agba nchara ọkpọkọ dị ka a stabilizing mmewere, ma ọ bụkwa a okpomọkụ-ike ígwè ọkwa, nke dị nnọọ mma karịa 316L n'ihe banyere elu okpomọkụ.Ọ nwere ezigbo nguzogide corrosion na organic na inorganic acid dị iche iche na okpomọkụ dị iche iche, karịsịa na mgbasa ozi oxidizing, a na-ejikwa ya na-emepụta lining na pipeline maka ihe mkpuchi acid na-eguzogide ọgwụ na ngwá ọrụ na-eguzogide ọgwụ.Ọ nwere ụfọdụ nguzogide okpomọkụ dị elu, n'ozuzu gburugburu ogo 700, a na-ejikarị ya na ụlọ ọrụ ọkụ.A na-etinye ya na ígwè ọrụ ubi na kemịkalụ, coal na petroleum ụlọ ọrụ na-achọ nnukwu iguzogide corrosion oke ọka, akụkụ na-eguzogide okpomọkụ nke ihe owuwu ụlọ na akụkụ ndị siri ike ikpo ọkụ.
310S: Nke kacha n'ọtụtụ ebe eji ọxịdashọn eguzogide, corrosion eguzogide, elu okpomọkụ na-eguzogide ụlọ ọrụ igwe anaghị agba nchara enweghị nkebi ọkpọkọ na ulo oru welded ọkpọkọ.Ihe ndị a na-ejikarị eme ihe: ihe maka ọkụ ọkụ, ihe maka ngwaọrụ ịsacha ụgbọala.310S igwe anaghị agba nchara anwụrụ bụ austenitic chromium-nickel igwe anaghị agba nchara na magburu onwe elu okpomọkụ ọxịdashọn eguzogide, acid na alkali iguzogide, na corrosion eguzogide.N'ihi ọdịnaya dị elu nke chromium (Cr) na nickel (Ni), ọ na-eme ka ike na-akpụ akpụ ka mma.Ọ nwere ike na-arụ ọrụ na-aga n'ihu na oke okpomọkụ ma nwee ezigbo nguzogide okpomọkụ dị elu.Mgbe okpomọkụ gafere 800, ọ na-amalite ịla nro, na nrụgide ekwenyere na-amalite ibelata na-aga n'ihu.Okpomọkụ kachasị elu nke ọrụ bụ 1200C, yana okpomọkụ a na-aga n'ihu bụ 1150C.A na-eji ọkpọkọ ígwè na-eguzogide okpomọkụ dị elu na-emepụta tubes ọkụ eletrik na oge ndị ọzọ.Mgbe ịba ụba carbon ọdịnaya na austenitic igwe anaghị agba nchara, ike na-mma n'ihi ya siri ike ngwọta ike mmetụta.Ngwakọta kemịkalụ nke austenitic igwe anaghị agba nchara dabere na chromium na nickel.A na-agbakwunye ihe ndị dị ka molybdenum, tungsten, niobium na titanium dị ka ntọala.N'ihi na nhazi ya bụ ihe owuwu cubic nwere ihu, ọ nwere ike dị elu na ike na-akpụ akpụ na nnukwu okpomọkụ.
Oge nzipu: Jan-31-2023
