Nickel Alloy tuav & RDS

Corrosion Duplex 2205 Flanges muab kev lag luam nrog kev txhim kho stainless hlau corrosion nrog cov sulfide corrosion thiab zoo dua rau chloride pitting thiab crevice corrosion dua 317l.

Nws tseem zoo heev rau lub zog li cov khoom siv tau zoo tshaj plaws ntxiv dag zog. Nitrogen yog ib qho muaj zog Austenite yav tas los qub, thiab ntxiv rau ntawm nitrogen zoo heev txhim kho cov tawv ntawm ob theem steels. Nws kuj ncua qhov tsim ntawm intermetallic cov tebchaw txaus kom tso cai rau kev ua thiab FOORICE ntawm ob hom hlau. Nickel yog ib qho kev siv tsis huv uas txhawb kev tsim ntawm Austenitic FCC qauv, uas ua rau muaj kev sib zog ntawm ob theem steels.

76 hli duplex flange, loj inox flange lub hauv paus rau railing yeeb nkab haum

6000psi 9000psi 4sh 4Sp Duplex Steel Luj Tshib Tsaus Fittings

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.

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.

Duplex steel flanges yog lub teeb nyob rau hauv qhov hnyav thiab zoo tag nrho hauv qhov loj me thiab lwm yam tsis raug. Cov no yog siv hauv kev tsim khoom lag luam. Hauv qhov no, stainless hlau siv, yog li corrosion tsis kam ntawm cov khoom no yog qhov zoo heev. Duplex dig muag Flanges muaj cov yam ntxwv ntawm lub zog siab thiab tau siv dav hauv Petrochemical, Fais Fab thiab lwm yam lag luam. Qhov no yuav tsum tau siv ntawm qee qhov kub thiab txias raws li nws tuaj yeem raug nkig ntawm qhov kub.

ASME B16.47 Series A wn \ / Qhov Muag Flange 150 # -900 # 22 "-48" (Tsuas yog 900 # Loj: 26 "-48")

Peb yog ib qho ntawm cov neeg tsim khoom loj tshaj plaws ntawm Duplex Steel zawv zawg Flanges nrog kev qaug zog zoo lub zog thiab siab corrosion tsis kam. 2205 Duplex Steel tsis pom flange tseem hu rau nws ntau yam khoom, xws li tau ua kom zoo heev los tawg, thiab corrosion hauv kev hnyav ib puag ncig.

Dual-theem hlau pob tw-welded tsa lub ntsej muag lub ntsej muag flanges muab kev txiav kom zoo heev thiab kev hnav khaub ncaws nce thiab teeb tsa lub sijhawm.

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.

S32205 yog ob theem ob theem steel nrog ze li ntawm cov sib npaug ntawm cov ooustenite thiab ferrite hauv nws cov tshuaj lom neeg muaj pes tsawg leeg. Qhov kev sib xyaw ua ke no ua rau muaj zog tshaj dua cov qauv siv tshuaj tiv thaiv cov hlau. Lub khawm ob lub flatx s31803 lub nplhaib haum rau Flange yog cov carbon qis version thiab yog cov tshuaj tiv thaiv kab mob.

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.

Nyob rau ntawm qhov kub no, ob tus hlau steel flanges tshaj 300 degrees Celsius tseem muaj kev tiv thaiv los ntawm kev sawv los ntawm kev xeb vim tias corrosion. Ciav muaj peev xwm kuj tau zoo heev thaum kub tsawg. Fabrication yog ua tiav tsuas yog nrog cov cuab yeej muab rau cov khoom siv hlau stainless. Yuav tsum tau huv kom zoo ua ntej siv. Qhov no yog ua los tiv thaiv cov hlau stainless los ntawm kev sib kis ntawm corroding hlau.
Duplex Steel Werkstoff tsis yog 1.4462 xov tsis tau siv hauv qab -50¡Ãc raws li nws yuav ua rau tus ductile kom tawg. Duplex uns S32205 Orifice Flange muaj lub zog tensile ntawm 1,16,000 psi 800 MPa. Whereas lub ruplex saf 2205 socket weld flang muaj cov txiaj ntsig muaj zog ntawm 80,000 psi 550 MPa. Lub 2205 Duplex Taubteb Weld Flange yog qhov tsis muaj cuam tshuam los ntawm kev xav thiab zam cov nag los nag.
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.

Duplex stainless hlau flanges, cov flanges muaj qee cov khoom zoo xws li lub teeb hnyav xws li lub teeb hnyav, kev tsim kho zoo thiab ntau dua. Peb tseem muab cov khoom lag luam no hauv cov qib sib txawv xws li Duplex Flanges, Duplex Flanges, Super Duplex Flanges thiab Super Duplex Flanges.

DupleX Steel Flanges feem ntau siv rau kev ua haujlwm hnyav welded Cheebtsam. Peb tsim cov flanges no siv cov khoom siv raw zoo. Peb cov neeg muas zaub ntseeg peb hauv qhov zoo ntawm peb cov khoom raws li peb txuas ntxiv mus txhim kho peb cov thev naus laus zis thiab muab cov khoom ua kom ncaj ncees thiab cov kev pabcuam.

ASTM A182 Duplex Stainless Hlau Flanges nrog cov txiaj ntsig zoo hauv cov ntawv thov piping

Cov roj duplex no unsllex steel uns s32760 flanges yog thev naus laus zis siab siv cov ntaub ntawv tshaj tawm cov kws tshaj lij. Lawv muaj cov yam ntxwv zoo tshaj plaws xws li kev tawm tsam yas ntxiv, hnav tsis kam, chipping tsis kam, thiab zoo machinability.

Cov tshuaj lom neeg cov tshuaj lom neeg ntawm cov roj duplex f51 muaj cov pa roj carbon, chromium, mancese, molybdenum, npib tsib xee thiab phosphorus. Flanges tau siv rau hauv siab nruab nrab thiab cov fittings valve.

ASTM A182 specification npog cov hlau stainless hlau alloys ua los ntawm kev zam txim lossis dov. Qhov kev pab cuam 2205 no tseem muaj feem xyuam rau kev pabcuam kub xws li cov yeeb nkab flanges, forged fittings, li qub thiab qhov chaw. Tom qab ua haujlwm kub, forged stainless hlau qib 2205 Duplex flanges yuav tsum txias rau ib qho kub tshwj xeeb ua ntej kho cua sov. Alloys yuav tsum yog cua sov kho raws li qee qhov yuav tsum tau ua, xws li kev kho kom sov, txias nruab nrab, Ausenitizing \ / daws qhov kub, thiab quenching.

Nyob rau ntawm qhov kub no, ob tus hlau steel flanges tshaj 300 degrees Celsius tseem muaj kev tiv thaiv los ntawm kev sawv los ntawm kev xeb vim tias corrosion. Ciav muaj peev xwm kuj tau zoo heev thaum kub tsawg. Fabrication yog ua tiav tsuas yog nrog cov cuab yeej muab rau cov khoom siv hlau stainless. Yuav tsum tau huv kom zoo ua ntej siv. Qhov no yog ua los tiv thaiv cov hlau stainless los ntawm kev sib kis ntawm corroding hlau.
Duplex Steel Werkstoff tsis yog 1.4462 xov tsis tau siv hauv qab -50¡Ãc raws li nws yuav ua rau tus ductile kom tawg. Duplex uns S32205 Orifice Flange muaj lub zog tensile ntawm 1,16,000 psi 800 MPa. Whereas lub ruplex saf 2205 socket weld flang muaj cov txiaj ntsig muaj zog ntawm 80,000 psi 550 MPa. Lub 2205 Duplex Taubteb Weld Flange yog qhov tsis muaj cuam tshuam los ntawm kev xav thiab zam cov nag los nag.
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.

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.

Txhawm rau nce cov kev sib txuas saum npoo av, dual theem steel s31805 RTJ Flanges siv. Nws tau thov ua khub hauv ob lub halves. Peb kuj muab lwm hom xws li 2205 ob chav pob tw weld flanges.

Super Duplex uns S32760 txo cov flanges muaj ntau lub micrubtructure, muaj ntau ntawm nitrogen, tso cai rau fabrication ntawm nyias thiab qis-hnyav flanges uas yooj yim ntawm lub hnab tshos.

2205 chav hlau chav roj muaj ob-theem microstructure ntawm ferrite thiab austenite. Thaum nws los txog rau cov tshuaj lom neeg muaj pes tsawg leeg ntawm 2205 duplex steel flanges, lawv feem ntau muaj 22% chromium, 3% molybdenum thiab 5-6% nyob rau hauv daim ntawv ntawm alloyed stainless hlau.

Taub qab vuam flanges yog drilled (machined), thiab phab ntsa tuab ntawm flange yog tib qho loj li cov yeeb nkab sib xyaw. Lub sib dua lub raj, cov cheeb tsam loj dua, thiab hloov kho lub raj, cov kab me me. Peb cov hauv pob tw weld flanges, taub qab weld flanges feem ntau yog siv rau kev kub siab, tsawg kub lossis kub.

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. Lub siab chromium, molybdenum thiab nitrogen cov ntsiab lus ntawm 2205 muab kev cuam tshuam zoo dua li 317L thiab 317l thiab cov neeg pej xeem tau koom nrog ua kom zoo tshaj plaws rau peb cov neeg siv khoom.

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.

Duplex stainless yog sib xyaw microstructure ntawm Austeniture ntawm Austeniture ntawm Austenitic thiab Ferrite (50) uas tau txhim kho cov hlau qib siab nrog corrosion tsis kam.

Rau ob lub stainless hlau flanges, tov annealing ntawm qhov ntsuas kub kom tsim nyog tuaj yeem ua tiav cov kev sib npaug zoo tshaj plaws ntawm theem. Nws yog ib qho tseem ceeb kom lub sijhawm nruab nrab ntawm kev tawm hauv lub cub tawg thiab dej quenching li luv tau. Qhov no yog kom txo qhov kub cua sov los ntawm flange, uas tuaj yeem ua rau muaj nag kev ua ntej dej tso tseg ua ntej tso dej sov.

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.

Cov ntsiab lus chromium yog li ntawm 20-28%, uas yog vim li cas uns uns uns uns tsis s31803 \ unson1205 dig muag flanges yauv tsis txaus siab hu ua passivation. Nyob rau hauv qhov xwm txheej no, kev kho tus kheej txoj kev tiv thaiv nws tus kheej passivating oxide txheej nyob ib puag ncig lub flange ua nws tiv taus oxidation.