Nyob rau hauv qhov tseeb piping ntawm instrumentation thiab tswj systems, cov khoom xaiv ncaj qha cuam tshuam cov teeb liab kev ntseeg tau thiab ntev -lub sij hawm durability. Thaum304 stainless hlau capillary rajmuab tus nqi zoo tshaj -kev ua tau zoo piv rau cov qauv kev ua haujlwm, 316 stainless hlau capillary tubing tuav ib qho txiaj ntsig zoo nyob rau hauv cov nqe lus ntawm corrosion kuj thiab durability nyob rau hauv hnyav, corrosive ib puag ncig.
Xaiv cov khoom tsim nyog stainless hlau capillary ncaj qha cuam tshuam rau kev ntseeg siab, kev tu ntau zaus, thiab tag nrho cov nqi khiav lag luam. Kev xaiv ntawm 304 thiab 316 stainless hlau yuav tsum xav txog cov yam ntxwv xws li corrosion resistance, mechanical properties, budget constrictions, and the operating environment.
Chemical Composition & Properties
304 Stainless Hlau Capillary Tube Txheej txheem cej luam
304 stainless hlau capillary raj yog tus qauv austenitic precision raj siv hauv kev lag luam instrumentation; nws cov ntsiab lus tseem ceeb muaj 18% chromium thiab 8% npib tsib xee, tsis muaj molybdenum ntxiv thiab cov ntsiab lus carbon tsawg dua lossis sib npaug li 0.08%. Nws tsim nyog rau kev sib kis ntawm cov pa roj thiab ua kua, nrog rau kev siab - cov kab ntsuas, feem ntau ntawm cov twj paj nruag, ua cov khoom siv tseem ceeb rau ob qho tib si pej xeem thiab kev lag luam kev lag luam.
316 Stainless Hlau Capillary Tube Txheej txheem cej luam
316 stainless hlau capillary tubing tsim raws li qib 304 los ntawm kev ntxiv 2% -3% molybdenum thiab nce me ntsis cov ntsiab lus nickel. Yog li ntawd, nws muaj kev tiv thaiv zoo tshaj plaws rau pitting thiab crevice corrosion, ua kom nws zoo dua rau kev thov cov ntawv thov cuam tshuam nrog cov tshuaj chlorides, tshuaj lom neeg, thiab thaj chaw marine.
Alloy sib txawv & kev ua haujlwm cuam tshuam
| Khoom | 304 Stainless hlau | 316 Stainless hlau |
|---|---|---|
| Chromium | Kwv yees li . 18% | Kwv yees li . 16–18% |
| Nickel | Kwv yees li . 8% | Kwv yees li . 10–14% |
| Molybdenum | Tsis muaj | Kwv yees li . 2–3% |
| Corrosion Resistance | Zoo | Zoo heev |
| Chloride Resistance | Nruab nrab | Superior |
Qhov sib txawv ntawm alloy muaj pes tsawg leeg ncaj qha mus rau qhov sib txawv ntawm qhov ua tau zoo. Molybdenum-dawb 304 stainless hlau capillaries muab cov khoom siv sib npaug, nthuav tawm cov xeb zoo heev, tawv, thiab ua haujlwm tau zoo hauv cov qauv ib puag ncig- yog li ua tau raws li cov kev cai ntawm cov ntawv thov kev ntsuas dav dav. Hauv qhov sib piv, 316 stainless hlau capillaries, ua tsaug rau lawv cov ntsiab lus molybdenum, tiv taus corrosion thiab puas thaum raug chloride ions los yog acidic thiab alkaline xov xwm.
Corrosion Resistance
304 Stainless Hlau Capillary Tube Corrosion
304 stainless hlau muaj qhov dav dav zoo - lub hom phiaj tiv thaiv corrosion; Nws tseem nyob ruaj khov nyob rau lub sijhawm ntev hauv huab cua qhuav, ambient -kub dej tshiab, thiab cov qauv atmospheric ib puag ncig, tiv thaiv xeb thiab oxidation.Txawm li cas los xij, nws muaj qhov tsis muaj zog tiv thaiv cov tshuaj chloride-ion, acidic, thiab alkaline corrosion, ua rau nws tsis haum rau ib puag ncig uas muaj ntsev, siab humidity, los yog trace acid.
316 Stainless Hlau Capillary Tube Corrosion
316 stainless hlaumuaj superior corrosion kuj piv rau 304 stainless hlau. Ntxiv nrog rau kev ua haujlwm zoo rau huab cua thiab dej tshiab, nws zoo tiv thaiv corrosion los ntawm chloride ions, ntsev tsuag, thiab qaug zog acids los yog alkalis, tiv thaiv cov teeb meem xws li hauv zos pitting thiab crevice corrosion.
Nws tuav nws txoj kev ncaj ncees txawm tias nyob rau hauv ib puag ncig hnyav -xws li dej hiav txwv, tshuaj dawb, thiab qee cov tshuaj acidic daws teeb meem - ua rau nws zoo tagnrho rau kev siv tshuaj siv tshuaj thiab cov chaw nyob sab nraud.
Mechanical Strength & Durability
Kev sib piv Tensile Strength
| Qib Steel | Hom Tensile Strength (MPa) | Tensile zog (ksi) | Hom Mob |
|---|---|---|---|
| 304 | 515-750 MPa | 75-109 hli | Cold drawn / annealed |
| 316 | 515-800 MPa | 75-116 hli | Cold drawn / annealed |
Ob leeg 304 thiab 316 stainless hlau capillary raj muaj cov khoom siv zoo heev thiab ua haujlwm ntev. Thaum lawv cov nqi zog tensile muaj qhov sib piv, cov yam ntxwv ntawm kev ua tau zoo sib txawv nyob ntawm kev tsim khoom, kev kho cua sov, thiab txias - cov txheej txheem ua haujlwm.
Lub zog tensile ib txwm ntawm 304 stainless hlau capillary raj hauv lub xeev annealed yog kwv yees li 515 MPa, ua tau raws li cov qauv kev cai rau kev tswj hwm kev ntsuas thiab lub zog tensile hauv kev siv cov kav dej.
316 stainless hlau capillary raj muab lub zog tensile ntawm kwv yees li 530 MPa; Tsis tas li ntawd, lawv muaj kev cuam tshuam lub zog tsawg dua nyob rau hauv siab - thiab qis - qhov kub thiab txias ib puag ncig thiab ua kom pom kev ruaj ntseg zoo dua, muab kev tiv thaiv ntau dua rau kev tawg thiab deformation hauv kev tswj cov tshuab ua rau muaj kev hloov pauv loj.
Flexibility & Hardness
304 stainless hlau capillary raj muab kev yooj yim dua; lawv yooj yim khoov, txiav, thiab zoo li, thiab muaj cov formability zoo heev. Lawv tau zoo- haum rau cov cuab yeej uas xav tau kev sib txuas lossis kev teeb tsa hauv qhov chaw kaw thiab tiv taus tawg thiab tawv.
316 stainless hlau capillary hlab nta me ntsis hardness thiab ntau dua rigidity, muab superior tsis kam rau crushing thiab hnav. Txawm li cas los xij, lawv yog me ntsis hloov tau yooj yim thiab xav tau ntau dua qhov tseeb thaum khoov, ua rau lawv zoo tagnrho rau cov ntawv thov uas yuav tsum tau muaj kev ruaj ntseg nruj thiab tsis kam mus deformation.
Longevity in instrumentation
Hauv kev ntsuas thiab tswj cov tshuab, cov tubing tsis ua haujlwm tuaj yeem ua rau kev ntsuas qhov yuam kev, xau, thiab tsis xav txog qhov system downtime. Kev pab cuam lub neej nyob ntawm qhov hnyav ntawm corrosion thiab qaug zog tej yam kev mob. Thaum304 stainless hlau capillary tubing tuaj yeem nyob twj ywm hauv kev pabcuam rau ntau xyoo hauv qhov qhuav, chloride- ib puag ncig dawb, nws yuav raug kev txom nyem los ntawm pitting thiab perforation nyob rau hauv lub hlis thaum raug rau ntug dej hiav txwv saline ya raws los yog kab kua qaub; sib piv,316 stainless hlau resists localized corrosion, yog li txuas ntxiv kev txij nkawm - pub dawb lub neej ntawm instrumentation tubing systems.
Nqi & Tus nqi
Vim yog tus nqi ntawm cov khoom siv raw khoom xws li npib tsib xee thiab molybdenum, tus nqi lag luam ntawm 316 stainless hlau capillary tubing feem ntau yog 30% mus rau 50% siab dua li qib 304.
304 stainless hlau capillary tubing muaj kev sib luag, kev ua haujlwm yooj yim, thiab tus nqi zoo heev -kev ua tau zoo, ua rau nws tsim nyog rau cov cuab yeej siv dav dav thiab kev tswj hwm kev ua haujlwm nyob rau hauv cov xwm txheej ruaj khov thiab tsis yog - ib puag ncig corrosive.
Kev thov kom haum
Hom Kev Siv rau 304 Stainless Hlau Capillary Tube
304 stainless hlau capillary raj yog dav siv nyob rau hauv cov qauv kev lag luam thiab kev lag luam kev lag luam, suav nrog cov kab ntsuas kub, ntsuas qhov ntsuas lub zog, cov kab tswj kev tswj hwm dav dav, qhov cua thiab cov dej hloov kab rau cov cuab yeej precision, thiab cov kav dej rau cov khoom siv hauv chav kuaj niaj hnub. Lawv tsim nyog rau kev tswj hwm sab hauv tsev ib puag ncig uas muaj cov yam ntxwv qhuav, tsis muaj cov neeg ua haujlwm corrosive, thiab kev ua haujlwm ruaj khov.
Hom Kev Siv rau 316 Stainless Hlau Capillary Tube
316 stainless hlau capillary raj yog tsim tshwj xeeb rau kev tswj xyuas kev ua haujlwm hauv cov xwm txheej nyuaj uas cuam tshuam nrog kev tshaj tawm corrosive, qhov khoom siv siab ruaj khov thiab kev pab cuam lub neej ntev yog qhov tseem ceeb. Lawv tau siv dav hauv cov ntawv thov xws li kev tswj hwm hydraulic ntawm cov ntug dej hiav txwv, cov kab ntsuas ntsuas hauv cov nroj tsuag tshuaj, cov chaw taws teeb tswj cov kab hluav taws xob rau cov desalination units, thiab cov kab ntsuas tuav cov xov xwm corrosive hauv cov tshuaj reactors, nrog rau hauv txhua qhov ntsuas ntsuas raug rau ntsev tsuag, kua qaub, los yog ntxuav -downs cuam tshuam nrog 3} chlorine -.