16 hli rooj tog Flange khaub ncaws Railing txhawb nqa flange

Cov ntsiab lus tseem ceeb yog cov chromium thiab npib tsib xee, tab sis nitrogen, coper, siliab thiab tungsten tau ntxiv rau kev sib npaug ntawm kev sib npaug thiab cuam tshuam qee yam corrosion-resistant tej yam ntxwv. Lub corrosion resistance ntawm cov hlau uas tsis muaj roj dulex zoo ib yam li ntawm cov hlau uas muaj cov hlau tsis muaj zoo sib xws li Alloy.

Duplex stainless hlau yog tsim los ua ke kom txhim kho kev ua kom haum corrosion (suav nrog sulfide corrosion thiab siab zog thaum piv nrog lwm cov khoom stainless.

DupleX Steel Flanges yog ua los ntawm chav yas thiab yog rau cov tsev neeg stainless hlau. Nws yog tsim los muab cov kev mob corrosion zoo dua, tshwj xeeb yog cov corroside kev ntxhov siab thiab muaj zog dua cov qauv tshuaj hlau hluav taws xob tsis muaj 304 lossis hlau stainless 316.

Kev siv cov yas thiab super duplex stainless hlau yuav tsum tau txwv rau hauv qab 570¡Ãf, raws li ntev ntev tau ua kom cov khoom nkig tuaj yeem ua rau cov khoom tawg tuaj yeem ua cov khoom tawg tuaj yeem ua cov khoom nkig.

Cov hlau duPlex uns s31803 siv rau hauv cov khoom siv marine engineering, roj tov kev sib pauv, cov khoom siv hluav taws xob, roj thiab roj ua khoom lag luam.

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.

Super Duplex Steel Taub Qab Weld Flanges yog inherently tsis yog kev sib nqus. Anustenitic Stainless hlau kuj muaj npib tsib xee, molybdenum, tooj liab, niobium, txhuas, thiab lwm yam hauv cov tshuaj muaj pes tsawg leeg. Nws qhia tau zoo ib yam li cov qib siab thiab qib ferrite.

Lub Flange yog qhov thib ob feem ntau siv koom nrog txoj kev tom qab selding. Kev siv flanges tau siv thaum cov pob qij txha xav tau dismantling. Nws muab kev hloov tau rau kev saib xyuas. Flange txuas cov yeeb nkab nrog ntau yam khoom siv thiab li qub. Breakup Flanges tau ntxiv rau hauv cov raj xa hluav taws yog tias kev saib xyuas tsis tu ncua thaum lub sijhawm cog ntoo.

Qee qhov dual-theem weld flanges muaj cov oxidation zoo tsis kam ntawm qhov kub tshaj 300 qib qis dua 300 degrees raug rau 475 degrees Celsius. Cov theem qib ob steel s32205 ntiv nplhaib sib koom ua ke kuj tseem muaj kev ua kom muaj zog thiab kev qaug zog zoo li cov khoom lag luam thermal thiab ntau dua thermal conductivity tshaj li tau lees paub.

Duplex 2205 Taub Hau Weld Flanges (Flar Flanges (yooj yim pom kev ntawm lub raj ntev taper, maj mam ncua los ntawm cov yeeb nkab lossis haum rau ntawm phab ntsa tuab. Ntev taper cov hubs muab cov khoom tseem ceeb kom siv nyob rau ntau yam kev siv nrog kev kub siab, sub-xoom thiab kub. Kev hloov pauv ntawm Flange tuab heev rau cov yeeb nkab tuab rau cov yeeb nkab lossis cov phab ntsa tuab yog qhov kev nthuav dav los ntawm kev nthuav dav los ntawm linear nthuav lossis lwm yam kev sib txawv.

Cov khoom siv A182 F51 muaj cov pa roj carbon, 2% manghologes, Phosphorus, Sulfur, Chromium, chromium, 4.5% molybdenum thiab nitrogen nws.

Muaj cov kev ntsuas sib txawv rau cov flanges raws li qhov system ntsuas. Nyob rau hauv tus qauv ANSI, cov kev kawm siab siab ntau ntawm chav kawm 150 los ntawm chav kawm 2500.

Lub Denvex qauv tau tshwm sim hauv kev txhim kho kev ntxhov siab tiv thaiv, piv nrog cov tshuaj tiv thaiv kev ua haujlwm, thiab txhim kho kev ua kom nruj thiab du, piv nrog cov hlau ferritic stainless.

Ib Flange yog ib qho kev tawm tsam, daim di ncauj lossis sab nraud, tog twg los sab nraud lossis sab hauv, uas yog cov nqaj hlau xws li ib tug t-nqaj); Rau cov ntawv yooj yim tau yooj yim \ / hloov ntawm kev sib cuag nrog lwm yam khoom (raws li flange thaum kawg ntawm cov yeeb nkab, chav dej lub tog raj kheej, lossis ntawm lub ntsej muag lub koob yees duab); Los yog rau kev ruaj khov thiab taw qhia kev txav ntawm lub tshuab lossis nws cov ntu (raws li sab hauv flange ntawm tsheb ciav hlau lossis lub log los ntawm kev khiav tawm ntawm cov ciav hlau). Lo lus "Flange" kuj yog siv rau hom cuab yeej siv los ua cov flanges.

Cov kev siv ntawm cov flanges suav nrog roj av roj, petrochemical, roj thiab lwm cov twj piping.

Qhov no txhais tau tias nws ua rau nws lub ntsej muag zoo nkauj tsis zoo los ntawm cov Austenite nyob rau hauv Alloy, thiab Herkstoff Flange muaj lub zog siab dua thiab hardness, ob qho tib si yog Ferritic feem.

Kev sib xyaw ua ke ntawm chromium, molybdenum thiab nitrogen muab kev tiv thaiv txiv neej zoo nkauj, uas ua rau lawv muaj txiaj ntsig zoo, cov tshuaj ua kom dawb, kaw cov ntawv thov ua zaub mov noj thiab qee qhov kev siv zaub mov noj. Txawm hais tias nws yog ib qho tseem ceeb kom nco ntsoov tias pitting corrosion tuaj yeem yog qhov teeb meem hauv cov tshuaj chloride thaum oxidizing xov xwm tam sim no. Nyob rau hauv cov kev mob no, lub passive (tiv thaiv (tiv thaiv) txheej ntawm lub duplex 2205 cov khoom siv yuav raug puas thiab pittingcompized yuav tshwm sim.

Duplex steel flanges yog tsim los txhim kho kev pitting caterposion, siab zog, kev nyuaj siab corrosion, crevice corrosion thiab tawg. Duplex Steel zawv zawg Flanges tiv thaiv sulfide kev nyuaj siab corrosion thiab chloride ib puag ncig. Duplex Steel tiaj Flanges yog ib qho tseem ceeb ntawm cov tsev neeg ob lub flange.

Nws kuj tau ua tau zoo heev rau chloride kev ntxhov siab corrosion cracking, tsis tshua muaj coefficient ntawm thermal expansion thiab siab thermal conductivity. Vim yog cov pa roj carbon tsawg hauv cov flange, muaj tsawg kawg kev pheej hmoo ntawm carbide nag lossis daus ntawm kev kho cua sov.

Hom: WN \ / LWN \ / S S S S S S S S SW \ / PHAJ YOG MUAJ / VAJTSWV \ / Tig Los Yog Muaj Dab Neeg

Qee qhov dual-theem weld flanges muaj cov oxidation zoo tsis kam ntawm qhov kub tshaj 300 qib qis dua 300 degrees raug rau 475 degrees Celsius. Cov theem qib ob steel s32205 ntiv nplhaib sib koom ua ke kuj tseem muaj kev ua kom muaj zog thiab kev qaug zog zoo li cov khoom lag luam thermal thiab ntau dua thermal conductivity tshaj li tau lees paub.

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.

Ib txoj kev sib koom ua ke flanged yog tsim ntawm peb cais thiab ywj siab yog tias muaj kev sib cuam tshuam; Cov flanges, lub gaskets, thiab cov bolting; Uas tau sib sau los ntawm kev cuam tshuam lwm tus cuam tshuam, fitter. Cov kev tswj tshwj xeeb yuav tsum muaj nyob rau hauv kev xaiv thiab kev xaiv ntawm tag nrho cov muaj cov ntsiab lus kom muaj kev sib koom ua ke, uas tau siv tau xau nruj.

Cov qauv zoo nkauj ntawm duplex yog ib tug ferrite-Austenite-Austenite-Austenite-Austenitic thiab 316.

Duplex cov hlau tsis yog qib s32205 chav hlau duplex yog resistant rau chloride ib puag ncig thiab sulfide kev nyuaj siab corrosion. Nws cov txiaj ntsig lub zog yog kwv yees li ob zaug uas ntawm cov qauv kev ua kom muaj kev sib tw ntawm cov qib tsis zoo. Cov hlau DuPlex uns s32205 flanges yog qhov ruaj khov thiab tseem tuaj yeem tau yooj yim rau txhua qhov loj ua tsaug rau cov duab sib txawv thiab ntau thiab tsawg.

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.

DupleX Steel Flanges tau siv dav hauv kev siv tshuab siv, kev lag luam tshuab thiab tsheb lag luam hauv tsheb. Duplex steel s31803 lap flanges yog qhov zoo tagnrho rau cov ntawv thov ua kom zoo dua li hom 316 thiab lub zog kub zoo. Peb muaj lub duplex steel s31803 \ / s32205 flanges hauv Tshuag. Duplex steel flanges yog ib txwm siv hauv tshuaj, petrochemical, thiab kev lag luam fais fab.

Peb yog cov neeg muab khoom ntawm WNR 1.4410 Super RupleX Steel Weld Neck Flanges nrog cov staying stub-xaus uas waller alkalis siab dua.

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.

Duplex 2205, tsis yog S32205, yog cov khoom siv stainless hlau uas muaj cov microstructure muaj sib npaug muaj sib npaug ntawm cov ferrite thiab austenite. Cov qib no yog hom nrov tshaj plaws, thiab ob hom khoom siv ob-theem no yog qhov tseem ceeb tshaj 316 stainless hlau nyob rau hauv cov nqe lus muaj zog thiab corrosion tsis kam.

Flange lub ntsej muag ua tiav Tshuag tiav \ / Kauv Serrated \ / celledric serated \ / saib xyuas du (ra 3.2 microstreters)

Nws tseem yog tshwj xeeb tsis kam rau chloride SCC. Flanges tau muab nrog pitting tiv taus uas yog ensuring zoo heev pitting corrosion tsis kam.