Lub Austenitic feem ntawm Alloy yog vim li cas A182 Super Duplex Flanges tiv thaiv pitting, thiab corrosion. Feem ntau cov organic cov organic xws li acetic thiab formic acids ua rau muaj kev sib cav hauv ntau cov hlau alloys. Molybdenum, uas muaj lub siab chromium cov ntsiab lus, ua rau UN32750 pob tw Weld Flanges tiv taus corrosion nyob rau ib puag ncig muaj cov acids no.
Sa182m chav yas flanges yog tsim nrog qhov tseeb thiab cov khoom siv raw zoo. Duplex steel uns s31803 f51 yeeb nkab flange cov khoom lag luam yog tsim thiab tsim raws li cov qauv zoo thoob ntiaj teb. Ib qho ntawm peb cov khoom lag luam nrov tshaj plaws hauv kev lag luam hlau yog cov yas steel 2205 flange.
Duplex stainless tus khub qib yog lub npe denplex vim tias cov qib ob flange sib npaug muaj ob-theem microstructure. Qhov no ob-theem microstructure muaj cov ferritic thiab ustenitic stainless hlau-zoo li nplej. Raws li lub npe qhia, lub duplex kev tsim kho muab cov duplex stainless ntsaws qhov hluav taws xob muaj ntau yam khoom txaus nyiam.
Cov cuab yeej ua lag luam tshaj plaws siv Duplex 2205. Kuj tseem siv los ntawm kev lag luam cia thiab tsheb thauj mus los. Pulp thiab cov ntawv luam tawm, tso tsheb hlau luam thiab ntawv ua kua thiab ntawv tshuab kuj siv duplex 2205. Nws yog qhov zoo rau kev siv hauv ib puag ncig marine.
Ob leeg Austenite thiab ferrite yog tam sim no nyob rau hauv microstructure ntawm no alloy. Yog li ntawd, super duplex flanges muaj cov khoom zoo sib xws rau ob tus hlau no tsis muaj. Cov feem no muaj kev ua tau zoo heev hauv kev siv tau mus rau chlorine daws.
Cov khoom siv S32205 DuPlex Asme asme sa182 pob tw Weld Flanges yog tsim nyog rau dej hiav txwv thiab cov khoom siv hluav taws xob tuaj yeem tiv thaiv kom sov txog 600,000Ãf, thaum tseem muaj cov yam ntxwv zoo.
Txhua hom sib txawv muaj nws tus kheej zoo. Kev sib txawv qib ntawm chav hlau Duplex muaj cov khoom sib txawv thiab lub cev vim cov tshuaj sib txawv. ASTM A182 F60 flanges yog kev ua tau zoo, raug nqi ua tau zoo thiab lub neej ntev. Muaj ntau lub ntsej muag sib txawv hom kev sib koom ua ke flanges, tiaj tus ntsej muag flanges thiab tsa ntsej muag flanges.
Rau cov qauv kev ua kom muaj kev sib tw ntawm cov qib tsis zoo (xws li 304 thiab 316), SCC tuaj yeem yog qhov teeb meem uas muaj av noo thiab muaj qee yam tshuaj lom li chlorides. Yog li ntawd, Duplex dig muag Flange cov neeg muag khoom feem ntau muab lawv rau kev lag luam xws li roj thiab muaj kev lag luam, kev lag luam petrochemical thiab marine.
Cov flanges tau muaj kev tiv thaiv zoo heev hauv cov kua qaub xws li nitric acid, thiab lwm yam ntxiv, peb lub qhov cub ua kom zoo nyob hauv cov tshuaj hiav txwv thiab cov tshuaj chloride. Peb cov kws tshaj lij yog tsim Dl theem steel f60 nrog cov khoom muaj zog xws li kev tsim khoom, yooj yim heev ua tiav thiab siv sijhawm ntev.
Ntxiv rau qhov qauv Duplex qeb, muaj superuplex thiab ntshiv qib ob qib. Flanges ua los ntawm Chav Ob Hlau Poob nyob rau hauv Astm A182 F51 unden S31803 thiab lwm tus. ASTM A182 cov lus qhia tshwj xeeb them rau cov khoom siv rau kev siv lub nkoj siab qib. Cov kev pabcuam dua tshiab no tuaj yeem siv tau rau hauv cov kev pabcuam kub thiab kub xws li cov roj hmab, cov tshuab hluav taws xob, cov ntaub ntawv cua sov, thiab roj av kev lag luam.
ASTM A182 uns s31803 ob chav flanges yog cov siv tau heev thiab yuav haum rau qhov loj me vim muaj ntau yam. Lawv tau ua los ntawm cov khoom siv raw zoo tshaj plaws thiab tseem tau ntim hauv cov ntoo ntoo kom tsis pom kev puas tsuaj. Lawv yuav tsum feem ntau tsis muab welded tsis muaj cov tub lim hlau raws li qhov no tuaj yeem ua rau ntau dua ferrite.
Qhov no nyeg hnov cov qoob loo zom cov qoob loo, tsis muaj zog thiab corring nws. Qhov txiaj ntsig ntawm vuam alloy 2507 dig muag Flanges yog tias cov chemetistry hauv lawv cov alloy muaj cov ntsiab lus muaj roj carbon tsawg heev. Qhov no ua rau nws nyuaj rau tsim carbide precipitates thiab inadvertasently tiv thaiv intergranular corrosion.
ASTM A182 unsoles d31803 du cov roj s31803 tsuas yog haum rau plaub pab pawg martensite, ferritic thiab austenitic, thiab thaum kawg cov tawv hlau. Cov no yog sib sau vim tias lawv ua raws cov qauv siv lead ua thiab cov hlau tsis muaj zog. Lawv muab koj lub chaw tu koj kom tiv thaiv kom muaj qhov kub thiab txias thiab tseem muab lawv lub zog ntawm unc unc unc undided yeeb nkab. Lawv tau hais tias yuav tau los ntawm cov tshuaj lom neeg muaj pes tsawg leeg ntawm kev sib npaug ntawm cov pab pawg neeg thiab qib siab.
Duplex steel flanges muaj qee cov khoom siv tau zoo heev xws li kev tsim kho muaj zog, zoo dua li muaj zog, zoo dua qub, corrosion tsis kam, thiab ntau dua. Nws yog dav siv nyob rau hauv ntau yam kev siv thiab kev lag luam. Cov flanges no yog cov tiv taus zoo hauv kev xeb, acidic thiab txo qhov chaw ib puag ncig.
Txij li Duplex stainless hlau muaj qis npib tsib xee thiab molybdenum cov ntsiab lus tshaj li cov hlau me me, lawv zoo li muaj kev sib txawv ntawm corrosion. Cov ntsiab lus qis dua cov ntsiab lus ntawm cov yas stlex stainless txhais txhais tau hais tias tus nqi qis. Qhov no muaj tseeb, tshwj xeeb tshaj yog thaum Alloy Surchares yog qhov siab. Tsis tas li, vim muaj ntau dua cov txiaj ntsig lub zog ntawm cov hlwv ntawm ob lub stlexs piv rau ustenitic steels, nws yog feem ntau ua tau los txo lawv cov ntu thicknesses. Qhov kev sib xyaw ua ke no tseem tuaj yeem txo tus nqi thiab qhov hnyav ntawm 150 qib Duplex yeeb nkab qhov ntev piv rau cov khoom siv hauv kev ua haujlwm hauv cov qib tsis zoo.
Cov qauv hluav taws xob ruaj khov tiv thaiv cov kua txob hauv cov tubrog nkoj. Duplex Flanges Txuas zoo txuas cov raj xa khoom sib txawv hauv cov kab ke thiab cuam tshuam rau cov kua dej lossis roj av. Cov qib kawm no muaj zog dua thiab tawg tawm tsam ntau dua li cov qib tsis muaj txiaj ntsig. Cov flanges no tseem muaj qhov du me me thiab tuaj yeem muab welded hauv qhov chaw siv cov txheej txheem txheem.
Rau ntau cov ntawv thov uas 300 series stainless hlau yog qhov raug rau cov chloride kev ntxhov siab tawg, 2205 duplex stainless hlau yog qhov kev daws teeb meem zoo. Kev ntxhov siab corrosion tawg tshwm sim thaum stainless hlau yog raug rau tensile muaj kev ntxhov siab thaum sib cuag nrog cov kev daws teeb meem uas muaj chlorides. Kev kub siab dua kub kuj nce ntxiv qhov kev ua kom muaj kev phom sij ntawm cov hlau tsis muaj mob corrosion.
Kev sib xyaw ntawm chromium, molybdenum thiab nitrogen muab 2205 zoo tsis kam rau chloride pitting thiab crevice corrosion. Qhov kev tiv thaiv no yog qhov tseem ceeb tshaj plaws rau cov kev pab, cov dej brackish, cov dej num ua kom dawb, kaw cov ntaub ntawv ua zaub mov noj thiab qee qhov kev siv zaub mov noj.
Ansi B16.5 Duplex Stainless Hlau Phaj Flanges muaj kev ntsuas siab los ntawm 150 txog 2500, thiab cov qauv npog cov hluav taws xob feem ntau thiab tsawg? Rau NPS 24. Lub Duplex Stainless Hlau Flange Khoom siv cov khoom siv peb tsim khoom lag luam ua raws li cov qauv thoob ntiaj teb. Peb tsim cov qib sib txawv ntawm cov hlau duplex uas yuav tsum tau siv cov txiaj ntsig sib txawv los siv rau hauv cov ntawv thov sib txawv.
Super Duplex Flanges Siv cov hmoov av ntshiab uas muaj kev sib xyaw nrog cov roj av thiab qib siab micrtritures thiab siab molybdenum thiab chromium cov ntsiab lus thiab chromium cov ntsiab lus thiab chromium cov ntsiab lus thiab chromium cov ntsiab lus. Cov tshuaj lom neeg zoo tshaj plaws ua ke muab cov tshuaj tiv thaiv zoo dua thiab muaj zog ntxiv. Cov khoom peb tsim tau siv nyob rau hauv ntau cov kev siv thiab kev lag luam. Cov flanges no yog cov tiv taus zoo hauv kev xeb, acidic thiab txo qhov chaw ib puag ncig.
Raws li muaj pes tsawg leeg, cov ntaub ntawv tuaj yeem raug cais raws li qauv duplex, super duplex, thiab lean duplex. DupleX Steel Flanges yog haum rau kev kub siab, siab kub thiab cov ntawv thov corrosive heev. Duplex kuj tseem raug nqi tau zoo thiab tsis ntev los no tau siv thiab hloov los ntawm lwm cov qib.
Duplex cov hlau stainless yeeb nkab muag khoom pom zoo cov kev ua haujlwm rau ntau yam haujlwm ntawm kev ua haujlwm tau zoo li cov haujlwm ntawm kev ua haujlwm ntawm kev ua haujlwm ntawm kev ua haujlwm ntawm kev ua haujlwm ntawm lub cev, I.E. Los ntawm hom 304 lossis 316 txog 6% Molybdenum stainless hlau.
ANSI B16.5 DUPLEX thiab super DUPLEX flanges chaw tsim tshuaj paus, thiab flanges, F61, F61, F61, F61, F61, F61, F61, FF, FF, FF, FF, RTJ, TF ntsej muag / - Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Lub siab chromium, molybdenum thiab nitrogen cov ntsiab lus ntawm 2205 muab zoo dua corrosion tsis kam dua li 316L thiab 317L thiab 317l thiab 317l thiab 317l thiab 317l thiab 317l thiab 317l thiab 317l thiab 317l thiab 317l thiab 317l thiab 317l nyob rau hauv feem ntau cov chaw ib puag ncig. Cov alloy txawv no yog siv hauv cov roj thiab roj kev tshawb nrhiav thiab tseem siv hauv kev lag luam ua lag luam.
Vim yog cov alloy zoo heev tiv thaiv hydrochloric acid, Super Duplex 2507 flanges tuaj yeem siv rau hauv kev lag luam tshuaj lom neeg. Lwm qhov teeb meem uas muaj nrog cov hlau alloys yog tias lawv nyiam corrode thaum vuam. Thaum cov alloy yog welded, qhov ntsuas kub yog siab, thiab ntau dhau carbon atoms yog precipitated los tsim carbide precipitates.
Qhov zoo dua ntawm cov qauv dual Qhov kev pabcuam kub ntawm 2205 duplex stainless hlau yuav tsum tau txwv rau hauv qab 600¡Ãf. Ntev tau raug rau qhov kub siab tuaj yeem ua 2205 stainless hlau nkig.
Raws li nrog txhua tus stainless hlau qib, corrosion tsis kam ntawm cov hlau lossis alloy nyob ntawm feem ntau ntawm cov hlau, nyob rau hauv cov ntaub ntawv no stainless hlau. Rau kev tiv thaiv mus rau chloride pitting thiab crevice corrosion, cov ntsiab lus ntawm cov ntsiab lus xws li chromium, molybdenum thiab nitrogen yog qhov tseem ceeb tshaj plaws.
Tus qauv ntawm 2205 duplex stainless hlau muaj cov pas dej ntawm Austenite ib puag ncig los ntawm kev txuas ntxiv ferrite theem. Nyob rau hauv anealed mob, 2205 muaj kwv yees li 40-50% ferrite. 2205 feem ntau raug xa mus ua cov qib haujlwm ua haujlwm thiab yog cov dav dav siv dav dav hauv tsev neeg lub cev tsis muaj roj stuple.
Duplex s31803 pob tw Weld Flanges ua ke zoo kho tshuab zog thiab ductility nrog mob corrosion tsis zoo nyob rau hauv ntau ib puag ncig. Duplex s31803 xov flanges yog qhov dav tshaj plaws siv duplex stainless hlau. Duplex s31803 ceg tawv sib koom ua ke freed freat freed lub zog muaj zog uas yog ob zaug uas tus qauv ustenitic stades.
Stainless hlau qib muaj ntau dua 12% chromium hauv cov alloy tiv taus cov teebmeem ntawm oxidation. Nyob rau hauv cov ntaub ntawv ntawm super duplex stainless hlau 2507, nws alloy muaj 25% chromium, uas txhim kho oxidation tiv taus txawm tias kub.
