Cov Khoom Siv Tiv Thaiv Kev Kub NtxhovMonel 400Cov Yeeb Nkab Nickel Alloy Pipe

Kev piav qhia
Monel 400 (UNS N04400 / 2.4360) yog ib qho hlau nickel-tooj ​​liab uas muaj zog heev thiab tiv taus ntau yam xov xwm suav nrog dej hiav txwv, dilute hydrofluoric thiab sulfuric acids, thiab alkalies.
Monel 400 uas muaj li ntawm 30-33% tooj liab hauv nickel matrix muaj ntau yam zoo sib xws ntawm cov nickel ntshiab hauv kev lag luam, thaum txhim kho ntau lwm tus. Ntxiv qee cov hlau ua rau muaj kev tiv thaiv cavitation thiab kev yaig hauv cov ntawv thov condenser tube. Cov kev siv tseem ceeb ntawm Monel 400 yog nyob rau hauv cov xwm txheej ntawm kev ntws ceev thiab kev yaig xws li hauv propeller shafts, propellers, pump-impeller blades, casings, condenser tubes, thiab cov cua sov exchanger tubes. Corrosion tus nqi hauv dej hiav txwv txav mus los feem ntau tsawg dua 0.025 hli / xyoo. Cov hlau tuaj yeem khawb hauv dej hiav txwv tsis tu ncua, txawm li cas los xij, tus nqi ntawm kev tawm tsam yog tsawg dua li hauv cov hlau ntshiab hauv kev lag luam 200. Vim nws cov ntsiab lus nickel siab (kwv yees li 65%) cov hlau feem ntau tiv thaiv chloride kev ntxhov siab corrosion cracking. Qhov kev tiv thaiv corrosion dav dav ntawm Monel 400 hauv cov kua qaub tsis oxidizing zoo dua piv rau nickel. Txawm li cas los xij, nws raug kev txom nyem los ntawm tib qho tsis muaj zog ntawm kev ua kom pom kev tiv thaiv corrosion tsis zoo rau oxidizing media xws li ferric chloride, cupric chloride, ntub chlorine, chromic acid, sulfur dioxide, lossis ammonia. Hauv cov kua hydrochloric thiab sulfuric acid uas tsis muaj zog, cov hlau no muaj kev tiv taus zoo txog li 15% ntawm qhov kub thiab txias thiab txog li 2% ntawm qhov kub thiab txias me ntsis, tsis pub tshaj 50 ° C. Vim yog qhov tshwj xeeb no, Monel 400 uas tsim los ntawm NiWire kuj tseem siv rau hauv cov txheej txheem uas cov tshuaj chlorinated yuav tsim cov kua hydrochloric acid vim yog hydrolysis, uas yuav ua rau tsis ua haujlwm hauv cov hlau stainless.
Monel 400 muaj kev tiv thaiv xeb zoo ntawm qhov kub thiab txias rau txhua qhov HF concentration hauv qhov tsis muaj cua. Cov tshuaj aerated thiab qhov kub siab dua ua rau tus nqi xeb nce ntxiv. Cov hlau no yooj yim rau kev ntxhov siab corrosion tawg hauv cov pa hydrofluoric lossis hydrofluorosilic acid uas ntub dej. Qhov no tuaj yeem txo qis los ntawm kev tshem tawm cov huab cua lossis los ntawm kev ntxhov siab txo cov khoom hauv nqe lus nug.
Cov ntawv thov feem ntau yog cov khoom siv valve thiab twj tso kua mis, cov propeller shafts, cov khoom siv marine thiab cov fasteners, cov khoom siv hluav taws xob, cov khoom siv ua tshuaj lom neeg, roj av thiab cov thoob dej tshiab, cov khoom siv ua roj av, cov cua sov boiler feedwater thiab lwm yam khoom siv hloov pauv cua sov.
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