xwmfab thiab channel thiab feem ntau ntawm cov sijhawm, nws yog cov duab
Vim hais tias ntawm lub zeb ruaj khov thiab sab hauv welded leeg ntawm 304 kav yog siv dav rau cov haujlwm uas muaj tshuaj lom, acidic dej ib puag ncig.
Cov roj carbon tsawg version ntawm hom 904 stainless hlau ntawm hom 904 stainless hlau ntawm cov qauv lwm cov txiaj ntsig nrog cov khoom uas tsis sib nqus thiab ntau dua corrosion thaj chaw tshaj hom 316L thiab 317L. Nws tseem muaj kev tiv thaiv kom pitting corrosion hauv chloride daws thiab yog cov tiv taus zoo heev rau kev ua txhaum thiab kev ntxhov siab corrosion tawg. Nws yog dav siv nyob rau hauv cov nroj tsuag tshuaj, ua kom zoo, cov tso tsheb hlau luam me me, cov khoom siv dej nyab, dej hiav txwv thiab phosphoric thiab phosphoric app. Vim yog cov ntsiab lus tsawg, tiv taus rau intergranular corrosion tseem tuaj yeem lav nyob rau hauv vuam.
