304 Stainless hlau yeeb nkab
Dab tsi yog 304 Stainless Hlau Yeeb Nkab
Stainless hlau 304 welded kav muaj ntau cov txiaj ntsig, suav nrog kev tiv thaiv corrosion zoo heev, ua haujlwm ntev, kev saib xyuas yooj yim, ntau yam, thiab siv tau zoo. Lawv zoo tagnrho rau ntau yam kev siv, suav nrog kev ua tshuaj, kev ua zaub mov, roj thiab roj, thiab tshuaj.
Corrosion Resistance
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm kev siv Stainless Steel 304 Welded Pipes yog lawv cov kev tiv thaiv zoo heev. Lawv tuaj yeem tiv taus qhov kub thiab txias, hnyav tshuaj, thiab raug rau cov dej noo tsis muaj xeb lossis xeb. Qhov no ua rau lawv qhov kev xaiv zoo tshaj plaws rau cov ntawv thov uas cov kav dej tuaj yeem sib cuag nrog cov kua qaub lossis cov pa roj, xws li cov chaw ua tshuaj thiab cov roj refineries.
Durability
Stainless hlau 304 welded kav yog paub txog lawv cov kav ntev thiab lub zog. Lawv tuaj yeem tiv taus cov khoom hnyav, kev kub ntxhov, thiab kub hnyav yam tsis muaj kev tawg lossis tawg. Qhov no ua rau lawv xaiv qhov zoo tshaj plaws rau cov ntawv thov uas xav tau lub zog siab thiab ua haujlwm ntev, xws li cov kav dej thiab roj, cov khoom siv hluav taws xob, thiab cov boilers.
Kev tu yooj yim
Stainless hlau 304 welded kav yuav tsum tau saib xyuas tsawg dua piv rau lwm hom kav dej. Lawv yooj yim los ntxuav thiab tswj thiab tsis tas yuav muaj cov tshuaj ntxuav tshwj xeeb lossis cov txheej txheem. Qhov no ua rau lawv zoo tagnrho rau cov ntawv thov kev nyiam huv thiab kev huv yog qhov tseem ceeb, xws li kev ua zaub mov thiab tshuaj.
Ntau yam
Stainless hlau 304 Welded Pipes muaj ntau yam thiab tuaj yeem siv rau ntau yam kev siv. Lawv tsim nyog rau kev thauj ntau yam kua thiab roj, xws li dej, roj, roj, thiab tshuaj lom neeg. Lawv kuj tuaj yeem siv rau kev tsim qauv, xws li kev txhawb nqa hauv tsev thiab tes tuav.
Nqi-zoo
Thaum stainless hlau 304 welded kav tej zaum yuav kim dua lwm cov kav dej, lawv muab cov kev daws teeb meem mus sij hawm ntev. Lawv xav tau kev saib xyuas tsawg, muaj lub neej ntev, thiab tsis tas yuav tsum tau hloov ntau zaus. Qhov no ua rau lawv muaj txiaj ntsig kev xaiv rau cov ntawv thov uas lub sijhawm ntev thiab kev ntseeg siab yog qhov tseem ceeb.
Vim Li Cas Xaiv Peb
Kev Pabcuam Cov Neeg Siv Khoom
Peb khwv tau koj kev hwm los ntawm kev xa khoom raws sijhawm thiab ntawm pob nyiaj siv. Peb tau tsim peb lub koob npe nrov ntawm kev pabcuam tshwjxeeb rau cov neeg siv khoom. Tshawb nrhiav qhov txawv nws ua.
Kev txawj ntse thiab kev paub
Peb pab pawg kws tshaj lij muaj ntau xyoo dhau los hauv kev xa cov kev pabcuam zoo rau peb cov neeg siv khoom. Peb ntiav tsuas yog cov kws tshaj lij tshaj lij uas muaj cov ntaub ntawv pov thawj ntawm kev xa cov txiaj ntsig tshwj xeeb.
Quality Assurance
Peb muaj cov txheej txheem kev ruaj ntseg zoo nyob rau hauv qhov chaw kom ntseeg tau tias tag nrho peb cov kev pabcuam ua tau raws li cov qauv zoo tshaj plaws. Peb pab neeg ntawm cov kws tshuaj ntsuam xyuas zoo xyuas txhua qhov project kom meej ua ntej nws xa mus rau cov neeg siv khoom.
Technology ntawm lub xeev
Peb siv cov cuab yeej technology tshiab thiab cov cuab yeej los xa cov kev pabcuam zoo. Peb pab neeg tau paub zoo txog qhov tseeb tiam sis thiab kev nce qib hauv kev siv tshuab thiab siv lawv los muab cov txiaj ntsig zoo tshaj plaws.
Tus nqi sib tw
Peb muab cov nqi sib tw rau peb cov kev pabcuam yam tsis muaj kev cuam tshuam rau qhov zoo. Peb cov nqi yog pob tshab, thiab peb tsis ntseeg hauv cov nqi zais lossis cov nqi.
Cov neeg siv khoom txaus siab
Peb tau cog lus tias yuav xa cov kev pabcuam zoo tshaj plaws uas tshaj peb cov neeg tau txais kev cia siab. Peb siv zog los xyuas kom meej tias peb cov neeg siv khoom txaus siab rau peb cov kev pabcuam thiab ua haujlwm ze nrog lawv kom ntseeg tau tias lawv tau ntsib.
Daim ntawv thov siv Stainless Hlau 304 Phaj nyob rau hauv ntau yam lag luam
Stainless hlau 304 phaj muaj ntau yam kev siv hauv ntau yam lag luam vim nws zoo heev corrosion thiab kub tsis kam. Nws yog hom austenitic stainless hlau uas muaj 18-20% chromium thiab 8-10.5% npib tsib xee, nrog rau me me ntawm carbon, nitrogen, phosphorous, sulfur thiab silicon. Qhov kev sib xyaw no muab cov alloy tshwj xeeb lub zog thiab tawv thiab ua rau nws zoo tagnrho rau kev siv hauv cov ntawv thov uas yuav tsum tau tiv thaiv xeb lossis oxidation. Yog li ntawd, nws feem ntau siv rau hauv cov khoom siv xws li cov kav dej, cov txuas hniav txhawb nqa cov qauv thiab cov khoom siv ua zaub mov. Tsis tas li ntawd, qib no ntawm stainless hlau kuj nquag siv hauv cov khoom siv vaj tsev ua ke vim nws qhov kev zoo nkauj zoo nkauj thiab kev ua tau zoo; nws tuaj yeem txiav tau yooj yim rau hauv cov duab intricate rau kev kho kom zoo nkauj thaum tseem tuav kev ua tau zoo tshaj lub sijhawm.
Stainless Hlau 304 Phaj yog ib hom ntawm austenitic stainless hlau tsim rau kev siv dav hlau. Nws muaj lub zog tensile siab, zoo heev corrosion kuj thiab superior vibration-dampening peev xwm, ua rau nws yog ib tug zoo xaiv rau aircraft Cheebtsam. Vim lawv qhov muaj zog thiab kev tsim kho lub teeb, SS 304 daim hlau feem ntau siv hauv kev lag luam aerospace los tsim airframes, turbines, tsaws iav qhov rooj, thiab tswj qhov chaw. Cov khoom tseem tuaj yeem tsim lub dav hlau lub turbine disks thiab vaj tse rau cov khoom siv hluav taws xob. Nws cov khoom tsis sib nqus ua rau nws zoo tagnrho rau kev ntsuas, qhov twg sib nqus cuam tshuam yuav tsum zam. Tsis tas li ntawd, nws cov kav ntev tso cai rau nws tiv taus qhov kub thiab txias nyob rau lub sijhawm ntev thaum tseem muab kev ua tau zoo, ua rau cov hlau no yog ib qho tseem ceeb hauv ntau daim ntawv thov aerospace.
Stainless hlau 304 phaj muaj ntau yam kev siv hauv kev lag luam tshuaj. Nws yog cov khoom siv zoo tshaj plaws vim nws qhov kev tiv thaiv corrosion, siab kub lub zog, formability thiab weldability. Cov oxide zaj duab xis nyob rau saum npoo hlau tiv thaiv kev tawm tsam ntxiv los ntawm cov tshuaj corrosive lossis kua xws li acids, alkali daws thiab dej ntsev. Qhov no ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau kev tuav cov txheej txheem ntau lawm uas muaj ntau yam tshuaj, xws li cov siv hauv electroplating, pickling thiab etching. Tsis tas li ntawd, nws lub zog tso cai rau nws tiv taus qhov kub thiab txias yam tsis muaj deformation lossis kev puas tsuaj rau qhov chaw ua haujlwm. Zuag qhia tag nrho, ss 304 phaj yog ib qho kev txhim khu kev qha rau txhua hom kev ua tshuaj lom neeg vim nws cov khoom zoo tshaj plaws uas ua rau nws tiv taus corrosion thiab yooj yim los tswj lub sijhawm.
304 Stainless hlau phaj yog ntau yam khoom siv hauv kev ua zaub mov vim nws zoo heev corrosion thiab kub tsis kam, zoo formability, durability, thiab lub zog. Nws yog qhov tshwj xeeb tshaj yog muaj txiaj ntsig zoo hauv kev tsim cov khoom lag luam npaj cov khoom noj vim nws yuav tsis hnov mob nrog cov kua qaub lossis cov hauv paus feem ntau pom hauv ntau cov zaub mov. Cov phaj tseem tuaj yeem tiv taus qhov kub thiab txias yam tsis muaj kev puas tsuaj los yog ua rau muaj kev cuam tshuam. Tsis tas li ntawd, lawv ua kom zoo nkauj thiab yooj yim los ntxuav, muab kev daws teeb meem zoo rau kev lag luam ua zaub mov uas yuav tsum tau ua kom huv si. Raws li xws li cov hlau tsis muaj steel, 304 daim hlau tuaj yeem siv rau hauv cov khoom siv xws li cov tso tsheb hlau luam, lub hau hau thiab cov txee, chaw ua haujlwm rau chopping nqaij / zaub / ntses thiab lwm yam., txhua yam khoom siv hauv chav ua noj (lub tshuab ntxhua khaub ncaws thiab lwm yam), nrog rau kev tsim khoom xws li cookers los yog qhov cub.
Stainless Hlau 304 Phaj yog ib qho ntawm cov khoom siv dav tshaj plaws hauv kev lag luam tshuaj. Nws muaj kev tiv thaiv corrosion zoo heev thiab cov khoom kub kub ua rau nws yog cov khoom siv zoo tshaj plaws rau ntau yam kev siv. Cov ntsiab lus ntawm cov pa roj carbon tsawg kuj ua rau lub phaj tsis tshua muaj kev nkag siab thaum raug kub hnyiab, tiv thaiv qhov tawg thiab lwm yam teeb meem. Nws cov yam ntxwv tsis sib nqus ua rau ss 304 phaj zoo tagnrho rau siv hauv ntau qhov chaw, xws li kev tsim cov hlab ntsha, cov khoom siv ua haujlwm, cov khoom siv kom tsis muaj menyuam, cov cuab yeej tsim khoom noj thiab cov tank cia siv dav hauv cov txheej txheem tsim tshuaj. Ntxiv rau qhov ua tau zoo kawg thiab tiv taus hnav thiab tsim kua muag, nws cov khoom tsis muaj tshuaj lom neeg ua rau nws yog qhov kev xaiv zoo rau kev nyab xeeb tuav cov tshuaj lossis lwm yam tshuaj rhiab thaum lub sijhawm tsim khoom.
Txhua yam koj yuav tsum paub txog stainless hlau 304 kav
Stainless hlau 304 yog qhov hloov tau yooj yim tshaj plaws thiab feem ntau siv stainless hlau hauv kev ua lag luam thiab yog ib qho ntawm cov alloys feem ntau ntawm nws hom. Nws yog ib qho austenitic chromium alloy uas tseem hu ua "18/8" stainless hlau, vim cov hlau muaj 18% chromium thiab 8% npib tsib xee. 304 stainless hlau, txawm tias nws yog qhov yooj yim rau corrosion los ntawm chloride lwm txoj kev, pitting los yog cracking tej zaum yuav tshwm sim los ntawm chloride ions, uas yog qhov tseem ceeb hauv cheeb tsam corrosion.
Cov khoom tsis zoo no tuaj yeem ua rau cov khoom sab hauv tsis zoo yog tias lawv raug chromium oxide teeb meem. Piv txwv li, nyob rau hauv cov ntaub ntawv ntawm SS 304 coil, high-saline ib puag ncig xws li sab nraum zoov ntug hiav txwv dej los yog txias, icy cheeb tsam uas tas li raug rau de-icing ntsev tej zaum yuav tsis tsim nyog.
Cov yam ntxwv ntawm 304 Stainless Hlau
Weldability zoo heev
304 stainless hlau muaj qhov zoo tshaj plaws vuam yam ntxwv rau tag nrho cov txheej txheem fusion txheej txheem, nrog los yog tsis muaj muab tub lim hlau. Vuam hefty feem ntawm stainless hlau 304 yuav tsum tau tom qab vuam annealing rau siab tshaj plaws corrosion kuj.
Kev kho cua sov
Thaum kho cua sov, stainless hlau 304 tuaj yeem ua kom sov rau 1010-1120 degrees Celsius thiab tom qab ntawd txias sai. Cov qib no tsis tuaj yeem ua kom tawv nqaij los ntawm kev kho cua sov. Kev kho cua sov yog txheej txheem tseem ceeb thaum tsim cov kav hlau stainless. Nws yog ib qho tseem ceeb rau kev tsim lub zog siab thiab ua haujlwm ntev hauv stainless hlau 304 kav.
Tshuab dhos
Hauv ntau qhov kev ua haujlwm, kev txhim kho machinability version "Ugima" ntawm qib 304 muaj nyob rau hauv cov khoom lag luam bar.
Daim ntawv thov ntawm Qib 304 Stainless hlau kav
Stainless Steel 304 Pipes yog siv nyob rau hauv ntau yam teb, tshwj xeeb tshaj yog nyob rau hauv kev ua zaub mov, raws li lawv tsis nquag mus rau acid corrosion nyob rau hauv cov khoom noj. Cov hlau no yog tsim rau cov khoom lag luam xws li dab dej, tshuab ntxhua khaub ncaws, stainless hlau footover txuas hniav, khoom lag luam ua zaub mov, thiab tub yees.
Hauv kev lag luam brewing, SS 304 cov kav dej tuaj yeem pom nyob rau hauv cov khoom siv hluav taws xob, cov chaw tsim hluav taws xob, cov thawv ntim tshuaj, thiab cov kav dej. Nws tuaj yeem siv los ua cov khoom tsim hauv cov tso tsheb hlau luam siab kom khaws cov roj av kub lossis cov vapors.
Thaum nws los txog rau kev xaiv cov khoom siv hlau tsis zoo rau cov kav dej hlau, cov yeeb nkab steel hlau feem ntau yog saib tsis taus vim nws cov nqi piv rau lwm cov kev xaiv muaj rau cov ntawv thov xws li dej khib nyiab thiab tshuaj lom neeg. Ib qho kev xaiv zoo tshaj plaws uas koj tuaj yeem ua tau yog stainless hlau 304 kav dej rau kev siv zoo li no. Nws yog ib qho yooj yim thiab feem ntau siv stainless hlau thiab feem ntau siv stainless hlau alloy ntawm nws hom.
SS 304 yog austenitic chromium alloy, tseem hu ua "18/8" stainless, vim cov hlau muaj pes tsawg leeg yog 18% thiab 8% npib tsib xee. Yuav kom tsim nyog raws li qhov zoo tshaj plaws stainless hlau, nws yuav tsum ua raws li cov lus qhia rau kev ua corrosion-resistant raws li ib qho ntawm cov yam ntxwv tseem ceeb los txhawb nqa hauv ib puag ncig tshwj xeeb. Cia peb pom cov yam ntxwv ntawm 304 Stainless Steel Pipes, uas yog raws li hauv qab no:
●Zoo heev yooj
SS 304 hauv cuttack tuav cov yam ntxwv zoo heev. Thaum koj welding nyias seem, nws tsis xav tau tom qab vuam annealing. Nws muaj qhov zoo tshaj plaws weldability rau tag nrho cov txheej txheem fusion txheej txheem nrog lossis tsis muaj cov khoom siv hlau.
● Thaum tshav kub kub resistant
Thaum lub sij hawm kev kho mob tshwj xeeb, cov hlau tsis muaj steel tuaj yeem ua kom sov rau 1010-1020 degrees Celsius thiab tom qab ntawd txias sai heev. Cov qhab nia no tsis yooj yim nrog kev kho cua sov. Kev kho cua sov yog suav tias yog txheej txheem tseem ceeb rau kev tsim cov kav hlau stainless. Qhov kev kho no pab tsim kom muaj zog thiab ruaj khov stainless hlau 304 kav.
● Austenitic
304 Stainless hlau kav yog austenitic
thiab yog li suav hais tias yog qhov kev xaiv zoo tshaj plaws rau kev tsim cov khoom txav. Qib no suav hais tias yog cov khoom siv ntau yam uas siv dav hauv ntau yam lag luam, suav nrog zaub mov, dej haus, khoom noj siv mis, thiab tshuaj lom neeg kev lag luam. Nws versatility thiab durability zog ua rau nws paub raws li ib tug txuj ci tseem ceeb hlau siv rau suav tsis tau kev lag luam thiab kev lag luam kev siv.
Vim li cas 304 stainless hlau raj tawg
Ntau yam tuaj yeem ua rau tawg ntawm 304 stainless hlau raj. Nov yog qee qhov laj thawj:
Corrosion:Stainless hlau feem ntau yog corrosion-resistant, tab sis nyob rau hauv tej yam kev mob, nws muaj peev xwm corrode. Yog hais tias lub raj raug tshuaj lom los yog ib puag ncig, nws yuav ua rau corrosion-induced cracking.
Stress Corrosion Cracking (SCC):Hom kev tawg no tshwm sim thaum cov hlau tsis muaj steel raug rau ob qho tib si tensile kev nyuaj siab thiab ib puag ncig corrosive. Kev sib xyaw ntawm kev ntxhov siab thiab corrosion tuaj yeem ua rau tawg thaum lub sijhawm.
Tsis zoo Vuam los yog Fabrication:Kev siv vuam tsis zoo lossis kev tsim khoom tuaj yeem qhia qhov tsis muaj zog ntawm cov qauv hlau stainless, ua rau nws yooj yim dua rau kev tawg. Cov txheej txheem vuam tsis zoo, xws li kev nkag mus tsis tiav lossis kub dhau, tuaj yeem ua rau qhov teeb meem no.
Kub kub:Kev raug kub siab tuaj yeem cuam tshuam cov khoom siv hluav taws xob ntawm stainless hlau. Yog hais tias lub raj raug kub tshaj qhov nws tau pom zoo, nws yuav muaj thermal cracking.
Hydrogen Embrittlement:Hydrogen embrittlement tuaj yeem tshwm sim thaum hydrogen atoms nkag mus rau cov qauv hlau tsis muaj steel, ua rau nws yooj yim rau kev tawg, tshwj xeeb tshaj yog thaum muaj kev ntxhov siab. Qhov no feem ntau tshwm sim nyob rau hauv high-strength stainless hlau.
Mechanical Fatigue:Kev rov ua dua ntawm kev ntxhov siab, tshwj xeeb tshaj yog tias lawv nyob ze rau ntawm cov khoom siv tsis muaj zog, tuaj yeem ua rau qaug zog tawg thaum lub sijhawm. Qhov no feem ntau tshwm sim nyob rau hauv cov xwm txheej cuam tshuam nrog kev thauj khoom lossis kev vibration.
Tshuaj tua kab mob:Kev cuam tshuam rau cov tshuaj lom neeg los yog cov tshuaj corrosive tuaj yeem ua rau cov tshuaj tua kab mob ntawm cov hlau tsis huv, uas ua rau tawg.
Kev kis kab mob:Kev kis kab mob thaum lub sijhawm tsim khoom lossis thaum lub sijhawm ua haujlwm (xws li, los ntawm cov khoom txawv teb chaws lossis cov khoom siv tsis sib xws) tuaj yeem tsim cov kev ntxhov siab hauv zos, uas tuaj yeem ua rau tawg.
Txhawm rau tiv thaiv kev tawg ntawm 304 stainless hlau raj, nws yog ib qho tseem ceeb uas yuav tsum tau ua raws li kev siv vuam thiab kev tsim khoom, tsis txhob raug corrosive ib puag ncig, ua haujlwm nyob rau hauv qhov ntsuas kub tau pom zoo, thiab xyuas kom meej tias cov khoom tsim nyog rau daim ntawv thov tshwj xeeb. Kev tshuaj xyuas thiab kev saib xyuas tsis tu ncua kuj tseem tuaj yeem pab txheeb xyuas cov teeb meem muaj peev xwm ua ntej lawv ua rau tawg.
Qhov txawv ntawm 304l stainless hlau yeeb nkab thiab 304 stainless hlau yeeb nkab
Thaum nws los txog rau cov kav hlau stainless, muaj ntau qib muaj, suav nrog 304 thiab 304L. Txawm hais tias lawv yuav zoo sib xws, ob qib no muaj cov tshuaj sib txawv thiab cov khoom sib txawv. Hauv tsab xov xwm no, peb yuav tshawb xyuas qhov sib txawv ntawm 304 thiab 304L stainless hlau kav los pab koj txiav txim siab paub txog qhov twg los xaiv rau koj daim ntawv thov tshwj xeeb.
Tshuaj muaj pes tsawg leeg
Qhov sib txawv tseem ceeb ntawm 304 thiab 304L stainless hlau kav yog lawv cov ntsiab lus carbon. 304 stainless hlau muaj qhov siab tshaj plaws ntawm 0.08% carbon, thaum 304L stainless hlau muaj qhov siab tshaj plaws ntawm 0.03% carbon. Cov ntsiab lus qis dua ntawm 304L stainless hlau ua rau nws tiv taus ntau dua rau kev nkag siab, cov txheej txheem uas cov khoom poob nws cov corrosion kuj vim yog tsim ntawm chromium carbides ntawm qhov kub thiab txias.
Corrosion Resistance
Ob leeg 304 thiab 304L stainless hlau kav yog cov resistant rau corrosion, ua rau lawv haum rau ntau yam kev siv. Lawv tiv taus ntau yam tshuaj, suav nrog acidic thiab alkaline daws, nrog rau atmospheric corrosion. Txawm li cas los xij, 304L stainless hlau tiv taus ntau dua li 304 stainless hlau, ua rau nws xaiv zoo dua rau cov ntawv thov uas cuam tshuam rau qhov kub thiab txias.
Weldability
304 Thiab 304L stainless hlau kav yog ob qho tib si yooj yim weldable siv tag nrho cov txheej txheem vuam txheej txheem. Txawm li cas los xij, vim tias cov ntsiab lus qis dua hauv 304L stainless hlau, nws tsis tshua muaj kev cuam tshuam rau vuam-txog rhiab heev. Qhov no txhais tau hais tias 304L stainless hlau tsis tshua muaj peev xwm poob nws cov corrosion kuj vim vuam, ua rau nws xaiv zoo dua rau cov ntawv thov uas xav tau vuam.
Daim ntawv thov
304 Stainless hlau kav yog feem ntau siv nyob rau hauv ntau yam kev siv, nrog rau cov khoom noj khoom haus, cov khoom siv tshuaj, thiab cov khoom siv kho mob. Lawv kuj tseem siv tau rau hauv kev siv vaj tse, xws li tes tuav thiab balustrades. 304L stainless hlau kav, ntawm qhov tod tes, feem ntau siv nyob rau hauv high-kub daim ntaub ntawv, xws li nyob rau hauv lub petrochemical kev lag luam, vim lawv superior tsis kam mus rau rhiab heev.
Xaus
Hauv cov ntsiab lus, qhov sib txawv tseem ceeb ntawm 304 thiab 304L stainless hlau kav yog lawv cov ntsiab lus carbon. 304L stainless hlau muaj cov ntsiab lus qis dua, uas ua rau nws tiv taus ntau dua rau kev hnov mob thiab zoo dua rau kev siv kub. Ob qib ntawm cov kav dej stainless hlau yog cov resistant rau corrosion thiab yog yooj yim weldable. Thaum xaiv ntawm 304 thiab 304L stainless hlau kav, nws yog ib qho tseem ceeb uas yuav tau xav txog qhov tshwj xeeb daim ntawv thov thiab lub peev xwm rau rhiab heev los yog vuam cov teeb meem.
Hauv kev siv tshuaj, tsim hluav taws xob thiab cov txheej txheem tshuaj, austenitic stainless hlau zoo li 304 feem ntau yog thawj qhov kev xaiv. Molybdenum feem ntau yog siv rau ntxiv corrosion kuj nyob rau hauv 316, ua rau nws zoo tagnrho rau ntau acidic ib puag ncig. Qee qhov tseem ceeb roj av, cov txheej txheem tshuaj lom neeg thiab kev siv dej hiav txwv nrog cov roj chloride corrosive xav tau kev txhim kho pitting thiab crevice corrosion kuj ntawm 316 molybdenum-hloov stainless hlau.
300 Series Austenitic - Hom Qib:304 Chromium (17-25%); nonmagnetic, tsis kub kho. tuaj yeem txhim kho lub zog siab los ntawm kev ua haujlwm txias. Molybdenum (txog 7%) tuaj yeem ua rau muaj kev tiv thaiv corrosion - tshwj xeeb tshaj yog pitting thiab crevice corrosion kuj.
Kev siv yam:Khoom noj khoom haus & dej haus, cryogenic, chemical txheej txheem, kev kho mob (hypodermic koob, implants, stents), instrumentation / chromatography tubing, roj & roj, hydraulic tubing thiab marine daim ntaub ntawv. Super austenitic qib (siab npib tsib xee) txuas ntxiv kev ua haujlwm rau cov ntawv thov uas xav tau kev txhim kho corrosion & oxidation / scaling resistance lossis siab zog.
304 stainless hlau yeeb nkab thiab nws siv
304 Stainless hlau yeeb nkab yog siv dav tshaj plaws hauv cov hlau tsis muaj cua sov, cov khoom noj khoom haus, cov khoom siv tshuaj lom neeg, cov khoom siv hluav taws xob atomic.
304 Stainless hlau yeeb nkab yog lub hom phiaj dav hlau stainless hlau yeeb nkab, uas yog dav siv los ua cov cuab yeej thiab qhov chaw uas xav tau cov khoom zoo (corrosion resistance and formability).
304 Stainless hlau yeeb nkab yog feem ntau siv stainless hlau thiab kub-resistant hlau. Rau cov khoom siv khoom noj khoom haus, Xitong chemical khoom, nuclear zog, thiab lwm yam dua lossis sib npaug rau 1.00 Tsawg dua lossis sib npaug rau 2.00 Tsawg dua lossis sib npaug rau 0.05 Tsawg dua lossis sib npaug rau 0.03 18.00-20.{{ 15}}.25 ~ 10.50 - 304 stainless hlau Nws yog universal stainless hlau khoom, thiab nws cov xeb kuj muaj zog dua li ntawm 200 series stainless hlau cov ntaub ntawv. Kev kub siab ua haujlwm kuj tseem zoo, tuaj yeem siab li 1000-1200 degrees. 304 stainless hlau muaj zoo heev corrosion kuj thiab zoo kuj rau intergranular corrosion.
304 Stainless hlau muaj zog corrosion kuj nyob rau hauv nitric acid hauv qab kub kub nrog ib tug concentration ntawm tsawg dua los yog sib npaug li 65%. Nws kuj muaj qhov zoo corrosion kuj rau alkaline daws thiab feem ntau cov organic thiab inorganic acids. Lub siab-alloy steel uas tuaj yeem tiv taus corrosion hauv huab cua lossis hauv cov tshuaj corrosive media. Stainless hlau muaj qhov zoo nkauj nto thiab zoo corrosion kuj. Nws tsis tas yuav tsum tau kho qhov chaw xws li xim plating, tab sis es tsis txhob siv cov khoom hauv qhov chaw ntawm stainless hlau. Nws yog siv ntau hom hlau, feem ntau hu ua stainless hlau. Cov neeg sawv cev ua tau zoo yog cov hlau alloy siab xws li 13 chrome steel thiab 18-8 chrome nickel steel.
Los ntawm metallographic point of view, vim hais tias stainless hlau muaj chromium, ib tug nyias chromium zaj duab xis yog tsim nyob rau saum npoo. Yuav kom tswj tau qhov kev tiv thaiv corrosion ntawm stainless hlau, cov hlau yuav tsum muaj ntau tshaj 12% chromium.
Nyob rau hauv layman cov ntsiab lus, 304 stainless hlau yog hlau uas tsis yooj yim rau xeb. Qhov tseeb, ib feem ntawm 304 stainless hlau muaj ob qho tib si xeb thiab acid tsis kam (corrosion resistance). Cov xeb thiab corrosion kuj ntawm 304 stainless hlau yog vim tsim cov chromium-nplua nuj oxide zaj duab xis (passivation zaj duab xis) ntawm nws nto. Qhov no xeb kuj thiab corrosion kuj yog txheeb ze. Cov kev ntsuam xyuas qhia tau hais tias qhov corrosion kuj ntawm steel nyob rau hauv tsis muaj zog media xws li cua thiab dej thiab nyob rau hauv oxidizing media xws li nitric acid nce nrog cov chromium dej ntsiab lus nyob rau hauv steel. Thaum cov ntsiab lus chromium ncav cuag ib feem pua, qhov corrosion kuj ntawm steel tshwm sim. Kev hloov pauv, uas yog, los ntawm yooj yim rau xeb kom tsis yooj yim rau xeb, los ntawm tsis muaj corrosion mus rau corrosion kuj.
Muaj ntau txoj kev faib tawm ntawm 304 stainless hlau. Raws li cov qauv kev faib tawm ntawm chav tsev kub, muaj martensitic, austenitic, ferritic thiab duplex 304 stainless hlau; Raws li cov tshuaj muaj pes tsawg leeg, nws tuaj yeem muab faib ua ob lub tshuab loj: chromium 304 stainless hlau thiab chromium-nickel 304 stainless hlau; Raws li kev siv, muaj 304 stainless hlau nrog nitric acid kuj, 304 stainless hlau nrog sulfuric acid kuj, 304 stainless hlau nrog seawater kuj, thiab lwm yam. corrosion kuj, 304 stainless hlau nrog kev nyuaj siab corrosion kuj, 304 stainless hlau nrog tsis kam mus rau intergranular corrosion, thiab lwm yam. Raws li cov yam ntxwv ua haujlwm, nws tuaj yeem muab faib ua cov hlau tsis sib nqus 304 stainless hlau, dawb txiav 304 stainless hlau, tsis tshua muaj kub 304 stainless hlau, siab zog 304 stainless hlau thiab lwm yam.
Peb lub Hoobkas
Ntawm lawv, cov kav hlau tsis muaj steel hlau & cov raj muaj qhov zoo heev thiab tus nqi zoo uas ua tau raws li ASTM, ASME, ANSI tus qauv, cov kav hlau hlau no tau siv dav hauv boiler, kub exchanger thiab condensator raj, tshuaj cog, petro-chemical cog, pulp ntawv. zeb, dej haus cog, roj, ncu, dej thauj system, dej phwj kho mob, fais fab nroj tsuag, dej phwj ua hauj lwm ... thiab lwm yam.
FAQ
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