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Why 52 Tshuaj muaj cov hlau ua suav nrog cov hlau zoo li manganbe, silrium, sidered rau pem hauv ntej weldogen loj ncab tawg thiab nws cov kev ntsuas.
Peb Chrome Alloy Steel ASTM ATTM AN182 F11 \ / F12 Flanges Khoom, tiab hauv qab, lub qhov muag tsis pom kev, phaj flanges thiab ncej puab flanges. Peb tshwj xeeb hauv kev tsim cov flanges ntawm kev cai cov duab thiab qhov ntau thiab tsawg tshwj xeeb rau peb cov neeg siv khoom. Nyob rau tib lub sijhawm, cov flange tau ua tau zoo heev rau General corrosion, pitting thiab crevice corrosion hauv cov tshuaj c chlorides thiab sulfuric, phosphoric thiab nitric acids. Kuj zoo li cov sulfuric acid tshwj xeeb yog qhov zoo, tab sis Alloy Steel A182 F12 flanges qhia muaj txiaj ntsig hauv phosphoric, nitric, thiab chloride ib puag ncig.