9.25 * 1.24mm ASTM A216 316/316L Stainless hlau coiled tubing los ntawm Tuam Tshoj

Thaum vuam 300 Series stainless hlau, cov neeg cog lus tuaj yeem tshem tawm cov rov qab ntawm cov hauv paus pob qij txha ntawm cov kav dej qhib thaum tuav cov vuam zoo.
Vuam ntawm stainless hlau raj thiab kav dej feem ntau yuav tsum tau backflushing nrog argon siv cov txheej txheem ib txwm muaj xws li roj shielded tungsten arc vuam (GTAW) thiab shielded hlau arc vuam (SMAW).Tab sis tus nqi ntawm cov roj thiab lub sij hawm nws yuav siv sij hawm los ua kom tiav cov txheej txheem ntxuav tawm tuaj yeem yog qhov tseem ceeb, tshwj xeeb tshaj yog cov yeeb nkab diameters thiab qhov ntev nce.

Thaum vuam 300 Series stainless hlau, cov neeg cog lus tuaj yeem hloov mus rau qhov hloov pauv luv luv Circuit Court hlau arc vuam (GMAW) txheej txheem es tsis txhob siv cov GTAW lossis SMAW.Txoj kev txhim kho luv luv ntawm GMAW kuj muab kev ua tau zoo ntxiv, kev ua tau zoo thiab kev siv tau yooj yim los pab kom tau txais txiaj ntsig.
Vim lawv cov corrosion kuj thiab lub zog, stainless hlau alloys yog siv nyob rau hauv ntau piping daim ntaub ntawv, nrog rau cov roj thiab roj, petrochemical, thiab biofuel industries.Thaum GTAW ib txwm siv rau hauv ntau daim ntawv thov stainless hlau, nws muaj qee qhov tsis zoo uas tuaj yeem hais nrog luv luv hloov kho GMAW.
Ua ntej, vim qhov tsis txaus ntawm cov kws txawj vuam, nrhiav GTAW cov kws tshaj lij yog qhov kev sib tw tsis tu ncua.Qhov thib ob, GTAW tsis yog cov txheej txheem vuam ceev tshaj plaws, uas ua rau nws nyuaj rau cov tuam txhab uas xav ua kom muaj txiaj ntsig kom tau raws li cov neeg siv khoom xav tau.Thirdly, ib tug ntev thiab kim backflushing ntawm stainless hlau kav thiab piping yog yuav tsum tau.
Purge yog kev taw qhia cov roj thaum lub sij hawm vuam kom tshem tawm cov kab mob thiab muab kev txhawb nqa.Kev tshem tawm sab nraub qaum tiv thaiv sab nraub qaum ntawm lub vuam los ntawm kev tsim cov oxides hnyav nyob rau hauv lub xub ntiag ntawm oxygen.
Yog tias lub nraub qaum tsis muaj kev tiv thaiv thaum lub hauv paus kwj dej vuam, qhov no yuav ua rau tawg ntawm cov khoom hauv paus.Qhov kev tsis zoo no yog hu ua qab zib, yog li lub npe vim tias qhov chaw hauv qhov vuam zoo ib yam li qab zib.Txhawm rau tiv thaiv kom tsis txhob muaj suab thaj, tus welder ntxig cov roj hose rau hauv ib qho kawg ntawm cov yeeb nkab, ces ntsaws qhov kawg ntawm cov yeeb nkab nrog purge plugs.Lawv kuj tsim ib lub qhov cua ntawm lwm qhov kawg ntawm cov yeeb nkab.Lawv kuj feem ntau yog taped nyob ib ncig ntawm lub seams.Tom qab ntxuav cov yeeb nkab, lawv tshem tawm ib daim kab xev nyob ib ncig ntawm qhov sib koom ua ke thiab txuas ntxiv mus rau vuam, rov ua dua cov txheej txheem stripping thiab vuam kom txog thaum lub hauv paus weld tiav.
Blowback tuaj yeem raug nqi ntau lub sijhawm thiab nyiaj txiag, qee zaum ntxiv ntau txhiab nyiaj rau qhov project.Hloov mus rau lub voj voog luv luv GMAW cov txheej txheem tau tso cai rau lub tuam txhab ua cov ntaub ntawv rov qab tsis pub dhau hauv ntau daim ntawv thov stainless hlau.Vuam 300 series stainless hlau yog ib tus neeg sib tw zoo, thaum vuam siab purity duplex stainless hlau tam sim no xav tau GTAW rau hauv paus hla.
Khaws cov cua kub kom tsawg li tsawg tau pab tswj qhov kev tiv thaiv corrosion ntawm lub workpiece.Ib txoj hauv kev los txo cov cua sov nkag yog txo tus naj npawb ntawm cov vuam hla dhau.Ib qho kev hloov kho luv luv-circuit GMAW txheej txheem xws li kev tswj cov hlau tso nyiaj (RMD®) siv cov hlau hloov pauv hloov pauv kom ntseeg tau tias cov dej xau tsis zoo.Qhov no ua rau nws yooj yim dua rau cov welder los tswj lub pas dej ua ke, yog li tswj cov cua sov thiab vuam ceev.Tsawg tshav kub tso cai rau lub molten da dej kom khov sai dua.
Vim muaj kev tswj xyuas cov hlau xa mus thiab ceev ceev ntawm lub pas dej weld, lub pas dej weld ua tsis tshua muaj kev kub ntxhov thiab cov roj tiv thaiv tawm ntawm GMAW teeb kuj zoo.Qhov no tso cai rau shielding roj raug yuam los ntawm cov hauv paus hniav, yuam tawm ntawm cov huab cua thiab tiv thaiv saccharification los yog oxidation nyob rau hauv underside ntawm weld.Vim tias lub pas dej khov khov sai heev, nws yuav siv sij hawm me ntsis rau cov roj los npog nws.
Kev ntsuam xyuas tau pom tias qhov kev hloov pauv luv luv GMAW txheej txheem ua tau raws li cov qauv kev sib txuas zoo thaum tswj xyuas qhov kev tiv thaiv corrosion ntawm stainless hlau zoo li thaum siv GTAW rau hauv paus hla vuam.
Vuam qhib hauv paus kwj dej siv cov txheej txheem luv luv GMAW tuaj yeem nqa lwm cov txiaj ntsig ntawm kev tsim khoom, kev ua haujlwm, thiab kev cob qhia vuam.
Cov kev hloov pauv hauv cov txheej txheem vuam xav kom cov tuam txhab tsim nyog rau lawv cov txheej txheem, tab sis qhov kev hloov pauv no tuaj yeem them nyiaj raws sijhawm thiab kev txuag nqi - rau ob qho tib si tshiab thiab kho dua tshiab.
Vuam qhib hauv paus kwj dej siv cov txheej txheem luv luv GMAW tuaj yeem nqa lwm yam txiaj ntsig ntawm kev tsim khoom, kev ua haujlwm, thiab kev cob qhia vuam.Cov no suav nrog:
Tshem tawm qhov muaj peev xwm ntawm cov xov kub kub vim qhov muaj peev xwm ntawm kev tso nyiaj ntau ntawm cov hlau kom nce lub thickness ntawm cov kwj dej hauv paus.
Kev tiv thaiv zoo heev rau qhov siab thiab qis qis ntawm cov yeeb nkab seem.Cov txheej txheem no tuaj yeem yooj yim txuas qhov sib txawv mus txog 3⁄16 ntiv tes vim kev hloov hlau du.
Ib qhov ntev arc tsis tu ncua yog tswj hwm tsis hais txog ntawm electrode extension, uas them nyiaj rau cov neeg ua haujlwm uas tawm tsam kom tswj tau qhov ntev txuas ntxiv.Lub pas dej tuav tswj ntau dua thiab kev hloov pauv hlau zoo ib yam txo lub sijhawm kev cob qhia rau cov welder tshiab.
Txo downtime rau cov txheej txheem hloov.Tib lub xaim thiab cov roj thaiv kev tiv thaiv tuaj yeem siv rau hauv paus, sau thiab thaiv kev hla.Cov txheej txheem GMAW pulsed tuaj yeem siv tau yog tias cov channel tau ntim thiab ntim nrog cov roj tiv thaiv uas muaj tsawg kawg yog 80% argon.
Rau kev ua haujlwm nrhiav kev tshem tawm rov qab rau hauv cov ntawv thov stainless hlau, nws yog ib qho tseem ceeb uas yuav tsum ua raws li tsib lub ntsiab lus tseem ceeb kom ua tiav kev hloov mus rau cov txheej txheem luv luv GMAW.
Ntxuav cov kav dej sab hauv thiab tawm kom tshem tawm cov kab mob.Ntxuav yam tsawg kawg yog 1 nti ntawm ntug ntawm qhov haum nrog ib tug hlau txhuam tsim rau stainless hlau.
Siv lub siab silicon stainless hlau muab tub lim hlau xws li 316LSi lossis 308LSi.Cov ntsiab lus ntau dua silicon pab ntub dej da dej thiab ua raws li deoxidizer.
Txhawm rau kom tau txais txiaj ntsig zoo tshaj plaws, siv cov ntaub thaiv npog roj sib xyaw tshwj xeeb tsim rau cov txheej txheem, xws li 90% helium, 7.5% argon, thiab 2.5% carbon dioxide.Lwm qhov kev xaiv yog 98% argon thiab 2% carbon dioxide.Cov khoom siv roj vuam vuam tuaj yeem muaj lwm cov lus pom zoo.
Txhawm rau kom tau txais txiaj ntsig zoo tshaj plaws, siv lub khob hliav qab thiab lub hauv paus kwj dej nozzle rau cov phiaj xwm roj.Conical nozzle nrog built-in roj diffuser muab kev pab zoo heev.
Nco ntsoov tias siv cov txheej txheem GMAW luv luv (tsis muaj roj cia) ua rau me me ntawm dross rau sab nraub qaum.Nws feem ntau flakes tawm raws li cov weld txias thiab ua tau raws li cov qauv zoo rau kev lag luam roj, fais fab nroj tsuag thiab petrochemicals.
Jim Byrne yog tus saib xyuas kev muag khoom thiab kev siv rau Miller Electric Mfg. LLC, 1635 W. Spencer St., Appleton, WI 54912, 920-734-9821, www.millerwelds.com.
Tube & Pipe Journal tau tsim tawm hauv xyoo 1990 ua thawj phau ntawv xov xwm tshwj xeeb rau kev lag luam yeeb nkab hlau.Txog rau hnub no, nws tseem yog qhov kev lag luam luam tawm nkaus xwb hauv North America thiab tau dhau los ua cov ntaub ntawv ntseeg siab tshaj plaws rau cov kws tshaj lij tubing.
Kev nkag mus rau digital tag nrho rau FABRICATOR tam sim no muaj, muab kev nkag tau yooj yim rau kev lag luam muaj txiaj ntsig.
Tag nrho cov digital nkag mus rau Tube & Pipe Journal tam sim no muaj, muab kev yooj yim rau koj nkag mus rau cov peev txheej tseem ceeb hauv kev lag luam.
Tau txais tag nrho cov digital nkag mus rau STAMPING Journal, muaj cov thev naus laus zis tshiab, kev coj ua zoo tshaj plaws thiab xov xwm kev lag luam rau kev lag luam hlau stamping.
Kev nkag mus rau Tus Fabricator en Español cov ntawv luam tawm tam sim no muaj, muab kev nkag tau yooj yim rau cov peev txheej lag luam muaj txiaj ntsig.
Christian Sosa ntawm Las Vegas-based Sosa Metalworks koom nrog Fabricator podcast los tham txog nws txoj kev taug los ntawm…