430 bakin karfe ko 201 bakin karfe wanne ya fi kyau?

430 bakin karfe surface santsi, zafi gajiya, acid, alkaline gas, bayani da sauran kafofin watsa labarai lalata juriya.Babban filastik, ƙarfi da ƙarfin injin;201 Bakin karfe bututu yana da halaye na acid juriya, alkali juriya, high yawa ba tare da pinholes, da dai sauransu, shi ne samar da daban-daban agogon lokuta, madauri kasa murfin da sauran high quality-kayan.201 Bakin karfe bututu za a iya amfani da a ado bututu, masana'antu bututu, da kuma wasu m kõma kayayyakin.

430 bakin karfe da 201 bakin karfe bambanci

430 bakin karfe ne martensitic bakin karfe, martensitic bakin karfe da talakawa gami karfe yana da guda halaye na hardening ta hanyar quenching, martensitic chromium bakin karfe a quenching - tempering yanayi, ƙara abun ciki na chromium iya ƙara ferritic abun ciki, don haka rage taurin da karfin jurewa.A ƙarƙashin yanayi na ɓarna, ƙarancin ƙarancin carbon martensitic chromium bakin karfe yana ƙaruwa tare da haɓaka abun ciki na chromium, yayin da tsayin daka ya ragu kaɗan.A ƙarƙashin yanayin wani abun ciki na chromium, haɓakar abubuwan da ke cikin carbon zai ƙara taurin karfe bayan kashewa, kuma filastik zai ragu.

Bayan ƙananan zafin jiki quenching, ƙarin tasirin molybdenum a bayyane yake.Babban manufar ƙara molybdenum shine don inganta ƙarfin, taurin da kuma sakamako na biyu na ƙarfe.A cikin martensitic chromium-nickel bakin karfe, abun ciki na δ ferrite a cikin karfe za a iya rage shi da wani adadin nickel, ta yadda karfe zai iya samun matsakaicin darajar taurin.

210 bakin karfe shine chromium-nickel austenitic bakin karfe, austenitic bakin karfe ba shi da magnetic kuma yana da tsayin daka da filastik, amma ƙarfin yana da ƙasa, ba shi yiwuwa a ƙarfafa ta hanyar canjin lokaci, kawai ta hanyar aikin sanyi don ƙarfafawa.Idan an ƙara S, Ca, Se, Te da sauran abubuwa, yana da kyakkyawan aiki.Idan ya ƙunshi Mo, Cu da sauran abubuwa, yana iya tsayayya da lalatawar sulfuric acid, phosphoric acid, formic acid, acetic acid, urea da sauransu.Idan abun ciki na carbon na irin wannan karfe bai wuce 0.03% ko ya ƙunshi Ti, Ni, yana iya inganta juriya na lalata intergranular sosai.High silicon austenitic bakin karfe maida hankali nitric acid yana da kyau lalata juriya.Saboda bakin karfe austenitic yana da cikakkun kaddarorin da ke da kyau, an yi amfani da shi sosai a kowane fanni na rayuwa.