Dab tsi yog qhov txawv ntawm stainless hlau 316L thiab 317L?
316L thiab 317L yog ob qib ntawm stainless hlau nrog cov tshuaj zoo sib xws tab sis cov khoom sib txawv me ntsis. Ib qho tseem ceeb sib txawv ntawm ob qib no yog lawv cov corrosion kuj. Thaum ob qib muaj kev tiv thaiv corrosion zoo heev, 317L muaj kev tiv thaiv zoo rau cov kua qaub, tshwj xeeb tshaj yog cov uas muaj chloride, xws li hydrochloric lossis sulfuric acid.
Lwm qhov sib txawv tseem ceeb yog lawv qhov kub tsis kam. Piv rau 316L, uas tuaj yeem tiv taus qhov kub txog li 870 degree (1600 degree F), 317L muab lub zog nkag siab ntau dua ntawm qhov kub siab thiab muab kev ua tau zoo tag nrho hauv cov ntawv siv kub.
Nyob rau hauv cov nqe lus ntawm kev siv, ob qib yuav siv tau nyob rau hauv ntau yam industries xws li tshuaj ua cov nroj tsuag, khoom noj khoom haus manufacturing, chaw tsim tshuaj thiab marine engineering tej yaam num.
316L stainless hlau muaj qhov zoo ntawm corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv acidic ib puag ncig xws li sulfuric acid. Nws kuj yog resistant rau chloride-induced stress corrosion cracking (SCC) thiab pitting corrosion, ua rau nws haum rau marine daim ntaub ntawv.
317L stainless hlau, ntawm qhov tod tes, muaj cov khoom zoo corrosion piv rau cov khoom zoo sib xws. Nws muaj cov qib molybdenum siab dua, uas ua rau nws muaj peev xwm tiv taus cov tshuaj hnyav xws li chlorides thiab acids, nrog rau cov kub-kub hydrochloric acid.
Qhov siab tshaj plaws ua haujlwm kub ntawm 316L stainless hlau yog kwv yees li 870 degree (1600 degree F). Qhov no ua rau nws tsim nyog rau ntau qhov chaw kub kub xws li cov khoom siv rau hauv cub tawg, annealing hoods thiab kiln linings. Nws lub peev xwm antioxidant kuj txhais tau tias nws tuaj yeem tiv taus cov roj kub kub thiab cov khoom siv hluav taws xob tsis muaj corroding lossis degrading.
Stainless hlau 317L muaj cua sov zoo dua li 316L. Nws muaj qhov kub siab tshaj plaws ntawm kev ua haujlwm ntawm kwv yees li 950 degree (1742 degree F), ua rau nws zoo tagnrho rau kev siv hauv cov ntawv thov kub kub xws li cov khoom siv tshuaj thiab cov chaw tsim hluav taws xob nuclear. Nws cov ntsiab lus chromium siab dua muab kev tiv thaiv corrosion zoo heev ntawm qhov kub thiab txias.
