Thaum nws los rau vuam stainless hlau, 316L yog qhov kev xaiv nrov vim nws zoo corrosion zoo heev thiab weldability.316L Stainless Hlau HlauYog siv dav hauv ntau qhov kev lag luam, los ntawm Aerospace rau kev ua zaub mov noj, ua rau nws tseem ceeb kom nkag siab txog nws cov khoom vuam. Hauv cov kev qhia no, peb yuav tshawb txog cov hlau vuam ntawm 316L stainless hlau hlau, kev coj ua zoo tshaj plaws, thiab muaj kev sib tw zoo.
Dab tsi yog qhov zoo tshaj plaws vuam txoj kev rau 316L stainless hlau hlau?
316L cov hlau hlau hlau tuaj yeem siv tau welded siv ntau txoj kev, txhua tus nrog nws tus kheej zoo. Kev xaiv ntawm cov txheej txheem vuam raws li cov tib yam xws li cov kab uas hla kev hlau, kev thov, thiab xav tau cov txiaj ntsig. Nov yog qee qhov kev vuam vuam zoo tshaj plaws rau 316L stainless hlau hlau:
Tig Vuam (GTaw)
Tungsten inert roj (tsov) vuam feem ntau suav hais tias yog mus-rau txoj kev rau vuam 316L stainless hlau hlau. Tus txheej txheem no muaj tseeb tswj thiab ua kom zoo, huv. Tig vuam tshwj xeeb yog tsim nyog rau nyias-gauge cov xaim thiab cov ntawv thov uas yuav tsum tau ua kom loog.
MIG VUAM (GMAW)
Roj Hlau Hlau Arc Vuam (Mig) Yog Lwm Qhov Kev Xaiv Tau Zoo Rau Vuam 316L Stainless Hlau Hlau. Txoj kev no nrawm dua li Tig vuam thiab yog qhov zoo rau cov xov hlau tuab lossis thaum tus nqi faib nyiaj ntau dua yog xav tau. Mig vuam tuaj yeem siv nrog cov xaim xaim lossis flux-cored.
Kuj vuam
Rau koom nrog cov kab me me 316L stainless hlau hlau, kuj siv vuam yuav yog ib txoj kev ua tau zoo. Cov txheej txheem no feem ntau siv nyob rau hauv kev tsim cov hlau mesh thiab cov khoom zoo sib xws.
Ntshav arc vuam
Ntshav arc vuam yog cov txheej txheem tshwj xeeb uas tuaj yeem siv rau cov hlau 316L stainless hlau. Nws muab cov kev ntsuas siab thiab yog tshwj xeeb tshaj yog pab tau rau kev siv cov txheej txheem vuam vuam.
Tsis hais txog txoj kev xaiv, nws yog qhov tseem ceeb siv cov khoom siv ua kom raug. Rau 316L stainless hlau hlau, sib piv ntawm 316L muab tub lim ib txwm pom zoo kom tswj hwm cov khoom xeb tsis kam thiab cov khoom siv tshuab hluav taws xob ntawm cov khoom siv hauv paus.
Puas yog 316L stainless hlau hlau yuav tsum muaj kev npaj tshwj xeeb ua ntej vuam?
Tsim nyog yog qhov tseem ceeb rau kev ua tiav cov khoom zoo nrog316L Stainless Hlau HlauCov. Thaum 316L feem ntau tau txiav txim siab weld-phooj ywg, ua raws cov txheej txheem npaj no tuaj yeem txhim kho weld zoo thiab txo qhov kev pheej hmoo ntawm qhov tsis xws luag:
Ntxuav
Txhim kho cov hlau nto kom tshem tawm cov kev paug xws li roj, roj, lossis av. Cov impurities no tuaj yeem ua rau porosity thiab lwm yam kev tsis pom zoo weld. Siv lub tshuab nqus tsev stainless hom lossis acetone los xyuas kom meej ib qho chaw huv.
Tshem tawm Oxide Txheej
316L stainless hlau ua cov txheej nyias nyias nyias txheej thaum uas raug huab cua. Thaum lub sij hawm no txheej muab corrosion tsis kam, nws tuaj yeem cuam tshuam nrog vuam. Maj mam txhuam cov hlau nrog cov hlau stainless txhuam los yog siv cov txheej txheem tshuaj lom neeg tuaj yeem tshem tawm cov txheej no.
Kom haum haum
Xyuas kom meej tias cov xov hlau yuav tsum tau koom nrog ua ke thiab muaj qhov sib txawv. Cov tsis haum zoo yuav ua rau tsis tiav fusion lossis lwm lub weld tsis xws luag.
Preheating
Thaum tsis tas yuav tsim nyog rau 56L stainless hlau xaim, preheating tuaj yeem muaj txiaj ntsig zoo rau cov xov hlau tuab lossis thaum koom nrog 316L rau lwm cov ntaub ntawv. Preheating tuaj yeem pab tiv thaiv kev tawg thiab txhim kho weld nkag.
Kev Xaiv Roj Xaiv
Xaiv cov pa thaiv cov roj uas tsim nyog rau cov qauv vuam. Rau Tig Vuam, Ntshiab Argon feem ntau siv. Rau mig vuam, sib tov ntawm argon thiab ib feem tsawg ntawm cov pa oxygen lossis carbon dioxide feem ntau nyiam.
Cov Khoom Siv Khoom Siv Ua Si
Xaiv cov khoom siv muab rau cov khoom uas sib phim lossis ntau dua cov khoom ntawm 316L cov khoom siv. ER316L yog ib qho kev xaiv ib txwm muaj rau vuam 316l stainless hlau hlau.
Los ntawm kev ua raws li cov kauj ruam kev npaj ua npaj no, koj tuaj yeem ntseeg cov qauv zoo rau vuam 316L stainless hlau hlau, coj kom muaj zog, ntau txhim khu kev qha helds.
Dab tsi yog cov kev cov nyom ntawm vuam 316L stainless hlau hlau?
Thaum 316l stainless hlau hlau tsim los ntawm316 Cov Hlau Stainless HlauFeem ntau xam pom zoo weldable, muaj ntau cov kev sib tw uas welders yuav ntsib. Nkag siab txog cov teeb meem tseem ceeb no tuaj yeem pab txhim kho cov tswv yim kom kov yeej lawv:
Siab zoo
316L stainless hlau yog tsawg dua qub rau cov kev xav piv rau ib txwm 316 vim nws cov ntsiab lus roj carbon. Txawm li cas los xij, yog tias raug rau qhov kub ntawm 800 degree F thiab 1500 degree F (426 degree) tseem kawm tiav ntawm cov ciaj ciam av, muaj feem txo corrosion tsis kam.
Txawv
Stainless hlau muaj qhov ua kom muaj txiaj ntsig ntau dua ntawm kev nthuav dav ntawm cov hluav taws xob piv rau cov hlau. Qhov no tuaj yeem ua rau muaj kev sib tw ntau dua thaum lub sij hawm vuam, tshwj xeeb tshaj yog thaum ua haujlwm nrog cov xov hlau nyias. Kev kho kom zoo thiab ua ntu zus tuaj yeem pab txo qhov teeb meem no.
Kub Nrib
Txawm hais tias tsis tshua muaj kev phom sij tshaj li lwm yam kev ua tsis tau cov hlau tsis muaj zog, 316L tseem tuaj yeem ua tau kev tawg nyob hauv qee qhov xwm txheej kub. Qhov no feem ntau yog tshwm sim los ntawm kev ua kom sov lossis cov lus qhia ua kom sov ntau dhau. Kev tswj cov vuam tsis thiab siv cov khoom ntim uas tsim nyog tuaj yeem pab tiv thaiv kom tsis txhob tawg.
Sib nqus arc tshuab
316L stainless hlau yog nominally tsis yog sib nqus, tab sis nws tuaj yeem ua me ntsis sib nqus vim ua haujlwm cov ntsiab lus tawv lossis ua haujlwm. Qhov no tuaj yeem ua rau sib nqus arc tshuab thaum lub sij hawm vuam, ua rau cov neeg pluag weld zoo. Siv AC Ac tam sim no lossis kho cov txheej txheem vuam tuaj yeem pab kov yeej cov teeb meem no.
Oxidation
Stainless hlau yog nquag mus rau oxidation thaum kub. Qhov no tuaj yeem ua rau discoloration thiab muaj peev xwm txo corrosion tsis kam nyob rau hauv lub tshav kub-erracation cheeb tsam. Kev kho mob ntawm cov tshuaj tiv thaiv kom zoo thiab tom qab weld tuaj yeem pab txo cov teeb meem no.
Muab Too Hlau Xaiv Kev Xaiv Hlau
Xaiv txoj cai muab tub lim hlau yog qhov tseem ceeb rau kev tswj hwm cov corrosion tsis kam thiab cov khoom siv tshuab hluav taws xob ntawm welded sib koom tes. Siv cov tub lim hlau nrog cov ntsiab lus tob dua li cov hlau hauv paus tuaj yeem pab xyuas kom ntseeg tau cov khoom weld zoo tshaj plaws.
Tsis huv
316L stainless hlau yog rhiab rau kev sib kis los ntawm cov cuab yeej siv roj carbon stip lossis cov chav dej ib puag ncig. Txawm tias cov roj ntsha me me ntawm cov roj carbon steel tuaj yeem ua rau xeb hauv thaj chaw weld. Siv cov cuab yeej siv hlau hlau tawm thiab ua kom muaj kev ua haujlwm huv kom tiv thaiv kev ua paug.
Dua li ntawm cov kev sib tw no, nrog cov tswv yim zoo thiab ceev faj, 316L stainless hlau tuaj yeem ua tiav zoo, corrosion-resistant pob qij txha. Cov lus dag tseem ceeb nyob rau hauv kev nkag siab cov khoom siv cov khoom, xaiv cov kev ua kom tsim nyog vuam, thiab ua raws li kev coj ua zoo tshaj plaws thoob plaws hauv lub vuam txheej txheem.
Hydrogen Clittlement
Txawm hais tias tsis tshua muaj mob ntau dua li qee lwm cov hlau tsis muaj zog, 316L tseem tuaj yeem cuam tshuam los ntawm hydrogenlarllement nyob rau qee yam. Qhov no tuaj yeem tshwm sim yog tias hydrogen yog qhia rau hauv kev siv vuam, muaj peev xwm ua rau ncua kev tawg. Siv cov hluav taws xob tsawg-hydrogen tsawg thiab npaj ua ntej npaj kom zoo tuaj yeem pab txo txoj kev phom sij no.
Sigma Theem Tsim
Thaum raug rau kub ntawm 1000 degree F thiab 1800 Degree F (538 Degree) rau ncua lub sijhawm, 316L stabless steel tuaj yeem tsim ib theem intermetallic tau hu ua Sigma theem. Qhov no tuaj yeem txo cov tawv thiab corrosion tsis kam. Kev tswj cov tswv yim kub thiab cov nqi txias thaum lub sijhawm vuam yuav pab tiv thaiv kev ua kom theem Sigma.
Weld lwj weld
Txawm hais tias 316L yog tsim los tawm tsam Weld lwj (tseem hu ua rab riam-kab nres), nws tseem tuaj yeem tshwm sim nyob rau qee yam. Qhov xwm txheej no cuam tshuam nrog kev ua kom huv hauv qhov chaw kub uas nyob ib sab ntawm Weld. Tsim kom zoo tawm kev tswj hwm thiab tom qab kev kho cua sov tuaj yeem pab tiv thaiv kom txhob muaj weld lwj.
Xim txuam
Hauv cov ntawv thov uas pom qhov tseem ceeb, ua tiav cov xim sib tw ntawm Weld thiab cov hlau hauv paus tuaj yeem nyuaj. Qhov kub ntawm vuam tuaj yeem ua rau muaj kev tsis txaus ntseeg, thiab cov hlau weld yuav muaj lub ntsej muag sib txawv me ntsis dua li cov hlau hauv paus. Cov roj av uas tsim nyog txhaj tshuaj thiab tom qab weld tuaj yeem pab txhim kho kev ua xim sib txuam.
Vuam nyias hlau
Thaum ua haujlwm nrog nyias nyias316L stainless hlau hlau, tswj cov lus qhia sov sov ua qhov tseem ceeb heev. Cov cua sov ntau dhau yuav ua rau hlawv-los ntawm lossis distortion. Siv cov txheej txheem vuam vuam los yog cov txheej txheem tshwj xeeb tsawg-kub yuav tsim nyog rau vuam nyias cov xov hlau.
Kev ntxhov siab corrosion tawg
Thaum 316l muaj qhov zoo tsis kam rau kev ntxhov siab corrosion (SCC), nws tseem tuaj yeem tshwm sim nyob rau qee qhov xwm txheej, tshwj xeeb hauv chloride-muaj ib puag ncig. Tsim qauv zoo, kev nyuaj siab nyem, thiab tswj ntawm cov kev txhawj xeeb uas muaj peev xwm pab txo kev pheej hmoo ntawm SCC hauv Welded 316L Cheebtsam.
Los ntawm kev paub txog cov kev sib tw no muaj kev nyuaj siab thiab kev siv kom tsim nyog cov kev pab txhawb nqa, Welders tuaj yeem ua tiav cov hlau ua tiav ntau yam ntawm cov ntawv thov. Cov versatility thiab corrosion tsis kam ntawm 316L ua kom nws xaiv zoo heev rau ntau qhov kev sib tw warding project, muab cov tswv yim zoo thiab ceev faj.
Tom qab Weld Tu thiab Passivation
Tom qab vuam 316L stainless hlau hlau hlau, kom cov tsiaj ntawv kom zoo thiab ua kom dhau los yog qhov tseem ceeb heev los kho cov khoom muaj xeb. Qhov kub ntawm vuam yuav cuam tshuam kev tiv thaiv cov roj ntsha oxide txheej, muaj peev xwm tawm ntawm cov chaw welded ntau rau kev xeb.
Tom qab Weld tu feem ntau yog kev tshem tawm cov tint cua sov lossis oxidation siv cov tshuab lossis tshuaj lom neeg. Qhov no suav nrog cov txhuam hniav hlau nrog cov hlau stainless hlau, sib tsoo, lossis siv tshwj xeeb pickling pases lossis cov kev daws teeb meem tsim rau cov hlau tsis muaj hlau.
Tom qab tu, ib txheej txheem passivation tuaj yeem siv los siv rau txhim kho kev tsim cov kev tiv thaiv cov roj oxide txheej. Qhov no feem ntau cuam tshuam nrog thaj chaw welded nrog cov tshuaj acid, uas tau tshem tawm cov hlau dawb thiab txhawb kev tsim cov txheej txheem uas muaj peev xwm ruaj khov.
Vuam nyob rau hauv cov chaw tshwj xeeb
Hauv qee cov ntawv thov, 316L stainless hlau hlau yuav tau welded hauv cov chaw tshwj xeeb. Piv txwv li, hauv kev siv purity high-puritys lossis thaum vuam cov khoom siv rau kev siv hauv cov huab cua semiconder lossis txawm tias hauv lub hnab looj tes kom tiv thaiv kev paug.
Ib yam li ntawd, rau hauv cov ntawv thov hauv qab lossis hauv kev lag luam tawm tsam, 316L stainless hlau hlau yuav tsum tau welded nyob rau hauv ntub dej lossis high-vaum ib puag ncig. Qhov no nthuav tawm cov kev sib tw tshwj xeeb thiab yuav xav tau kev siv vuam siv thiab khoom siv.
Dissimilar hlau vuam
Thaum vuam 316L stainless hlau hlau rau nws tus kheej yog qhov ncaj, koom nrog nws kom cov metimailarar me me tuaj yeem nthuav cov kev cov nyom ntxiv. Thaum vuam 316L rau lwm cov qauv ntawm cov hom hlau stainless, cov teeb meem carbon, thiab cov teeb meem uas tsis muaj kev sib txawv, thiab cov teeb meem welmeties xws li sib txawv, thiab cov teeb meem vuas sib txawv, thiab cov teeb meem vuas sib txawv, thiab cov teeb meem welgal, thiab cov teeb meem vuas sib txawv, thiab cov teeb meem vuas sib txawv, thiab cov teeb meem welgal, thiab cov teeb meem vuas sib txawv, thiab cov teeb meem vuas sib txawv, thiab cov teeb meem vuas sib txawv, thiab cov teeb meem welmeties xws li kev sib txawv ntawm kev nthuav dav lossis kev tsim ntawm brittle intermetallic tebchaw teb.
Muaj qee kis, siv cov kev hloov pauv hloov vuam lossis cov kev siv vuam tshwj xeeb yuav tsim nyog kom ua tiav qhov kev vam meej weld ntawm 316L thiab cov me nyuam tsis sib xws.
Automation thiab hlau
Raws li vuam thev naus laus zis kev nce qib, muaj kev nce zuj zus ntawm kev siv tshuab thiab neeg hlau loj hauv vuam cov txheej txheem. Thaum qhov no tuaj yeem muab cov txiaj ntsig zoo raws kev sib xws thiab cov khoom lag luam, nws tseem qhia txog cov kev sib tw tshiab thaum ua haujlwm nrog 316L stainless hlau hlau.
Caw kaw cov tshuab welated yuav tsum ua tib zoo ntsuas rau tus account rau cov khoom tshwj xeeb ntawm 316L, suav nrog nws thermal conductivity thiab kev nyiam ua kom sib txawv. Ib qho ntxiv, lub zeem muag thiab lub suab nrov yuav tsum tau ua kom zoo rau kev ua kom raug rau Weld Seam ntawm cov hlau uas muaj kev cuam tshuam.
Dua li ntawm cov kev sib tw no, nrog cov teeb tsa kom raug thiab cov chaw tsim nyog, robotic vuam tuaj yeem tsim cov hlau zoo, tshwj xeeb hauv cov khoom ntim ntau ntau ntau yam.
Tag
VUAM 316L steel hlau hlau yog ib qho kev txawj thiab muaj txiaj ntsig zoo hauv ntau txoj kev lag luam. Thaum nws pib qhia qee yam kev cov nyom, cov no tuaj yeem kov yeej nrog kev paub zoo, kev npaj, thiab txheej txheem. Lub corrosion resistance, lub zog, thiab weldability ntawm 316L ua rau nws xaiv zoo heev rau ntau cov ntawv thov, los ntawm kev ua zaub mov noj rau cov tub rog ib puag ncig.
Raws li nrog cov wording project, txoj kev vam meej nyob rau hauv kev nkag siab cov khoom siv vuam thiab tsis pom zoo, thiab ua raws li kev coj ua tau zoo thoob plaws hauv lub vuam txheej txheem. Los ntawm kev ua li ntawd, Welders tuaj yeem ua tiav cov khoom zoo, ruaj ruaj uas tswj cov khoom lag luam uas xav tau ntawm 316L stainless hlau.
Yog tias koj tab tom nrhiav rau qhov zoo316L Stainless Hlau HlauLos yog xav tau cov lus qhia uas muaj tswv yim ntawm Vuam Stainless cov khoom lag luam, tsis txhob ua siab deb mus cuag peb. Ntawm TonGHUI, peb tshwj xeeb hauv kev muab cov ntaub ntawv sab saum toj-stainless hlau thiab kev txhawb nqa kom tau raws li koj cov kev xav tau tshwj xeeb. Tiv tauj peb rau hnub nosxthsteel@sxth-group.comXav paub ntau ntxiv txog peb cov khoom lag luam thiab peb tuaj yeem pab nrog koj cov phiaj xwm hlau stainless hlau.
