Tsom ntsoov rau cov kev pabcuam tus nqi thiab ua qhov kev xaiv yooj yim
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Koj tseem nyob ntawm no: Lub tsev / Txoj moo / Yam paub / 3 txoj kev stainless hlau sib ntaus xeb thiab kev puas tsuaj

3 txoj kev stainless hlau sib ntaus xeb thiab kev puas tsuaj

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Stainless hlau tshwj xeeb vim nws sib ntaus xeb thiab kev puas tsuaj hauv peb txoj kev tseem ceeb. Nws muaj cov txheej txheem tiv thaiv passive, muaj zog alloy cov ntsiab, thiab tshwj xeeb nto nta. Cov txheej passive feem ntau yog chromium oxide. Cov txheej txheej no npog cov hlau thiab thaiv cov dej thiab huab cua. Cov teeb meem no txo ​​qis txoj hmoo ntawm xeb. Nws pab cov hlau nyob muaj zog ntev ntev. Npib tsib xee thiab molybdenum yog alloying ntsiab. Lawv ua Stainless hlau ntev nyob rau hauv qhov chaw nyuaj. Du surfaces thiab kev pab tu kom yooj yim Stainless hlau tiv taus kev puas tsuaj. Cov nta no tseem pab nws ua kom nws ci. Peb lub tuam txhab siv cov khoom no los muab cov kev daws teeb meem hlau muaj zog.
  • Cov txheej passive pab nres corrosion.

  • Cov txheej no ua haujlwm zoo li cov ntaub thaiv npog dej thiab huab cua.

  • Nws ua haujlwm tau zoo npaum li cas yog saib xyuas yog saib xyuas thiab qhov chaw nws siv.


Tseem Ceeb Takaways

  • Stainless hlau nres xeb nrog txheej tshwj xeeb uas ua rau dej thiab huab cua.

  • Ntxuav nws feem ntau nrog cov xab npum maj mam thiab daim ntaub mos muag ua kom cov txheej no muaj zog thiab nres xeb.

  • Npib tsib xee thiab molybdenum ua rau stainless hlau muaj zog thiab pab nws sib ntaus muaj xeb, txawm nyob hauv cov chaw tawv.

  • Xaiv lub npe txoj cai tswj kav hlau hlau yog qhov tseem ceeb heev rau txhua txoj haujlwm kom nws kav ntev thiab ua haujlwm zoo.

  • Du surfaces pab nres tsis xeb vim tias dej thiab tshuaj tsis tuaj yeem ua rau cov hlau yooj yim.


Chromium & passive txheej

Chromium & passive txheej

Tus Hlau Stainless & Chromium

Chromium pab stainless hlau tsum tsis xeb. Thaum chromium sib tov nrog hlau, nws hloov pauv cov hlau ua li cas. Stainless hlau xav tau tsawg kawg yog 10.5% chromium mus tua xeb. Feem ntau cov hom muaj ntau tshaj chromium. Ntau cov chromium pab cov hlau sib ntaus kev puas tsuaj los ntawm cov tshuaj thiab huab cua. Yog tias chromium tee hauv qab 12%, tus hlau poob nws daim hlau. Xeb tuaj yeem pib, thiab cov hlau yuav tsis ua cov txheej tiv thaiv muaj zog.

  • Stainless hlau xav tau tsawg kawg 10.5% chromium yuav tsum tau hu ua stainless.

  • Ntau cov chromium txhais tau tias zoo tiv thaiv los ntawm cov tshuaj thiab huab cua.

  • Lub deg tsis tau txais txheej tiv thaiv yog tias chromium yog tsawg dua 12%.

  • Chromium nyob rau hauv 12-15% tuaj yeem ua rau xeb ntawm nplej.

Passive Zaj Duab Xis Tsim

Chromium hauv stainless hlau reacts nrog oxygen los ntawm huab cua. Qhov no ua rau ib txheej nyias nyias, meej ntawm chromium oxide nyob rau sab saum toj. Zaj duab xis passive ua haujlwm zoo li daim hlau thaiv. Nws nres dej, huab cua, thiab lwm yam tsis zoo los kov cov hlau. Cov ntaub thaiv no pab cov hlau sib ntaus sib tua. Npaum li cas thiab muaj zog zaj duab xis yog nyob ntawm seb nws nyob qhov twg. Hauv cov chaw uas tsis yog acidic, cov yeeb yaj kiab nyob ruaj khov thiab tiv thaiv cov hlau. Hauv cov chaw acidic, zaj duab xis tuaj yeem tau qaug zog, thiab xeb yuav pib.

Zaj duab xis passive tuaj yeem kho nws tus kheej yog tias nws tau khawb, yog li cov hlau nyob nyab xeeb.

Txwv kev tiv thaiv

Cov txheej passive ntawm cov hlau stainless ua haujlwm hauv ntau qhov chaw. Tab sis qee yam tuaj yeem tsoo cov ntaub thaiv no. Chloride ions hauv ntsev thiab dej hiav txwv tuaj yeem ua rau cov zaj duab xis passive. Qhov no ua rau cov qhov me me thiab ntxig ntxig. Cov hauv paus muaj zog thiab ntau cov dej noo kuj ua rau cov shield tsis muaj zog. Cov cua dub tuaj yeem ua rau xeb nrawm dua. Thaum daim ntaub thaiv so, tus hlau poob nws lub zog los sib ntaus sib tua thiab kev puas tsuaj.

  • Chloride ions ua cov ntaub thaiv npog cia sai dua.

  • Ntau cov dej noo, ntsev, thiab cov cua qias neeg yog cov teeb meem loj rau cov hlau stainless.


Alloying Ntsiab

Nickel lub luag haujlwm

Nickel pab cov hlau sib tw zoo dua. Thaum Nickel ntxiv, nws ua rau muaj lub zog passive txheej. Cov txheej no ua rau cov hlau muaj kev nyab xeeb los ntawm xeb thiab ua kom raug mob. Nickel tseem pab txwv txiav me me ntawm txoj kev sib sau. Cov qhov no tuaj yeem los ntawm cov tshuaj muaj zog. Txawm tias ib tug menyuam yaus me me, zoo li 3%, pab ntau. Nickel cia Stainless tus hlau nyob ruaj khov nyob rau ntau qhov chaw. Nws tseem qeeb qeeb npaum li cas ua kom sai li cas cov roj hlau steel. Qhov no ua haujlwm thaum lub nplaim ua hauj lwm nquag los yog passive. Yog vim li ntawd Nickel tseem ceeb nyob rau ntau tus hlau tsis muaj hlau.

Molybdenum Cov Pab

Molybdenum muab kev pab ntxiv rau cov hlau tsis muaj zog. Nws yog qhov muaj txiaj ntsig heev uas muaj ntsev ntau lossis chlorides. Molybdenum pab ua kom lub passive zaj duab xis los ntawm kev rhuav tshem. Nws tseem qeeb zuj zus sai npaum li cas cov kav hlau hnav tam sim ntawd. Sij hawm dhau mus, Molybdenum ua rau saum npoo. Qhov no ua rau cov hlau txawm zoo dua ntawm kev sib ntaus sib tua. Cov lus hauv qab no qhia dab tsi Molybdenum ua:

Lub tshuab

Kev piav txog

Kev tiv thaiv ntawm passive zaj duab xis rhuav tshem

Molybdenum yuav pab tiv thaiv qhov kev puas tsuaj ntawm cov yeeb yaj kiab passive oxide cov yeeb yaj kiab, txhim kho kom pitting hauv chloride ib puag ncig.

Txo ntawm cov hlau ua haujlwm sib txawv

Molybdenum txo cov kev sib cais ntawm cov hlau nquag uas muaj cov hlau ua kom huv si, pab hauv repassivation.

Txoj Kev Txhawb Deg

Molybdenum pom cov tshuaj nto nto raws sijhawm, uas ua rau txhim kho corrosion tsis kam.

Npib tsib xee thiab molybdenum ua ke ua rau stainless hlau ntev dua. Lawv pab nws nyob ruaj khov hauv qhov chaw nyuaj.

Corrosion Kuj Tseem Ceeb

Stainless hlau los nyob rau ntau hom. Txhua hom sib ntaus xeb hauv nws txoj kev. Cov lus hauv qab no sib piv txog peb qib kawm:

Qib stainless hlau

Corrosion Kuj Qib

Cov Nta Tseem Ceeb

304

Tswj kav

Zoo rau kev siv dav dav, tsis tshua muaj kev tiv taus rau kev txhoj puab cov kua qaub thiab chlorides

316

Siab

Zoo dua tsis kam rau pitting thiab crevice corrosion, haum rau cov ntawv thov marine

316L

Siab heev

Enhanced corrosion tsis kam, zoo tagnrho rau cov kab mob txhoj puab

Lwm hom, zoo li Ferritic thiab martensitic, muaj haujlwm tshwj xeeb. Cov hlau ferritic stainless yog siv nyob rau hauv lub tsheb txiav thiab cov cuab yeej khoom noj. Martensitic hom yog qhov zoo rau riam thiab springs. Koj yuav tsum xaiv hom cai rau qhov chaw uas nws yuav siv. Cov qhab nia nrog ntau dua Almoy tuaj yeem raug nqi ntau dua thaum xub thawj. Tab sis lawv siv sijhawm ntev dua thiab xav tau kev txhim kho tsawg dua hauv cov chaw nyuaj.


Cov Khoom Nto

Cov Khoom Nto

Du surfaces

Du surfaces pab cov hlau stainless sib ntaus sib tua. Thaum cov steel yog polished, nws tau txais tsawg dua. Qhov no ua rau nws nyuaj rau cov khoom zoo li dej lossis tshuaj lom neeg tua. Tsawg dua cov pits thiab cov kab nrib pleb txhais tau tias xeb muaj tsawg dua chaw pib. Ib txoj kev ua kom du ua tiav pab cov txheej txheem passive acyly. Stainless hlau nrog kev ua tiav tau yooj yim dua los ntxuav. Nws tsis ntxiab av lossis tshuaj ntau npaum li cas.

  • Smoother tiav qis dua lub caij nyoog ntawm pitting corrosion.

  • Polished cov chaw sib ntaus sib ntaus sib tua crevice corrosion zoo dua li cov ntxhib.

  • Electropolished stainless hlau muaj zaj duab xis zoo dua.

Ib txoj kev du loj pab nqus cov hlau nqus tau ci ntsa iab. Nws tseem pab nws ua tau ntev dua hauv cov chaw tawv.

Kev Tu & Txij Nkawm

Kev tu thiab saib kev saib xyuas ntawm stainless hlau khaws cov txheej passive nyab xeeb. Kev tu tu tu cov av thiab cov khoom muaj teeb meem. Qhov no pab cov yeeb yaj kiab passive nyob ruaj khov. Siv xab npum me me thiab txhuam cov muag muag kom huv stainless hlau. Tom qab ntxuav, yaug nrog dej huv. Qhuav nrog daim ntaub mos muag kom nres cov plaub hau thiab stains.

  1. Maj mam txhuam cov av nrog cov nylon txhuam.

  2. Siv xab npum me me los yog xab npum uas muaj kev nyab xeeb rau cov hlau stainless.

  3. Yaug nrog dej huv.

  4. Qhuav nrog daim ntaub mos muag.

Tsis txhob siv cov hlau ua hlau los yog ntshav fab hnyav. Touch cov pa hlau lossis hlau tuaj yeem ua rau xeb. Hnav hnab looj tes huv nres nres cov ntiv tes thiab cov cim.

Kev ntxuav tu feem ntau pab stainless hlau sib ntaus. Nws tseem pab nws ua tau ntev ntev, txawm tias nyob hauv qhov chaw nyuaj.

Kev puas tsuaj lub cev tsis kam

Stainless hlau muaj zog thiab tawv. Nws tuaj yeem ua cov nra hnyav uas tsis muaj khoov. Nws yog ib qho nyuaj tab sis tuaj yeem khoov tsis muaj kev txhaum. Qhov no ua rau nws nyuaj rau cov hniav lossis kos.

Ntiag tug

Kev pab

High tensile lub zog

Saib xyuas kev kub siab thiab kev ntxhov siab

Kev ua siab loj

Khoov tab sis tsis tawg

Kev nyuaj

Tua cov kev puas tsuaj saum npoo thiab hnav

Cov yam ntxwv no ua rau cov hlau tsis muaj zog rau cov chaw uas xav tau cov hlau muaj zog thiab xeb cov hlau. Yog tias nws tau khawb los yog cov hniav, koj tuaj yeem kho nws yooj yim. Buffing lossis siv daim ntaub mos muag tuaj yeem ua rau nws saib tshiab dua.

Stainless hlau nres xeb thiab kev puas tsuaj hauv peb txoj kev tseem ceeb. Cov txheej txheem passive zoo li cov ntaub thaiv npog thiab kho nws tus kheej yog tias kos. Alloy cov ntsiab xws li chromium, npib tsib xee, thiab molybdenum ua rau nws muaj zog tawm tsam xeb. Cov suab thiab kev tu kom huv thiab tu cov hlau nyob ci thiab tawv. Cov lus hauv qab no qhia tau txhua txoj kev ua haujlwm:

Lub tshuab

Ua tau zoo rau xeb thiab kev puas tsuaj

Passive Txheej

Ua rau cov ntaub thaiv thaiv uas thaiv cov xeb, thaum cov roj carbon hlau nrawm nrawm.

Kev Kho Tus Kheej Mechanism

Daim ntaub ntawv npog dua yog tias nws raug mob, ntev li ntev li chromium muaj nyob ntawd.

Environmentalency

Yam xws li ntsev, acids, thiab cua sov tuaj yeem ua cov xeb tshwm sim.

Xaiv txoj cai xaiv tus qauv hlau yog qhov tseem ceeb rau txhua qhov chaw. Cov qib uas sib ntaus sib tua muaj xeb zoo tshaj rau cov cheeb tsam nrog tshuaj lom neeg, dej, lossis ntsev. Cov khoom noj khoom noj yuav xav tau cov hlau tsis muaj roj uas tsis hnov ​​mob nrog cov zaub mov. Tshuaj nroj tsuag xav tau cov qib uas tuaj yeem ua kom muaj kev mob tawv. Yog tias koj xaiv cov qib tsis yog, koj yuav tau pitting, crevice, lossis kev ntxhov siab corrosion.

Stainless hlau muaj xeb ntau tsawg dua li lwm cov hlau, txawm tias nws kub.

Stainless hlau kav ntev thiab xav tau kev saib xyuas me me. Nws tseem zoo rau lub ntiaj chaw. Cov lus hauv qab no teev cov ntsiab lus zoo no:

Kev pab

Kev piav txog

Extended Durability

Stainless hlau vaj tse nyob ntev li ob zaug ntev npaum li cov hlau ua hlau.

Cov kev saib xyuas qis dua

Koj tsis tas yuav kho nws ntau, yog li nws yog qhov zoo rau cov chaw tibneeg hu tauj coob.

Tsim Nyhav

Nws yog qhov muaj zog, yog li koj tuaj yeem siv cov hlau tsawg thiab ua tej yam sib dua los txog li 30 feem pua.

Muaj zog

Stainless hlau yuav siv tau thiab pab ua kom lub ntiaj teb huv si.

Cov cai pab tib neeg xaiv cov qauv hlau uas tsis siv tus kheej rau txhua txoj haujlwm. Qhov no ua kom cov steel ua haujlwm tau zoo thiab kav ntev. Stainless hlau tshwj xeeb vim nws sib ntaus xeb, yog qhov muaj zog, thiab kav ntev ntau xyoo.


Cov FAQ

Dab tsi ua rau Stainless hlau sib txawv los ntawm cov hlau tsis tu ncua?

Stainless hlau muaj chromium thiab lwm yam ntsiab. Cov no tsim cov txheej tiv thaiv uas thaiv xeb. Cov hlau tsis tu ncua tsis muaj daim hlau thaiv, yog li nws xeb sai dua.

Puas tuaj yeem nqus cov xeb hlau hauv qab ntsev lossis cov chaw ntub dej?

Yog lawm, stainless hlau tuaj yeem xeb hauv cov av qab ntsev lossis cov chaw ntub dej. Chlorides hauv Salertwater yuav tawg cov txheej tiv thaiv. Xaiv cov qib yog pab tiv thaiv cov teeb meem no.

Yuav ua li cas tib neeg huv si huv stainless hlau kom tiv thaiv xeb?

Cov neeg yuav tsum tau siv xab npum me me, dej, thiab daim ntaub mos muag. Lawv yuav tsum zam cov ntaub plaub hlau thiab cov ntaub nyias nyias. Kev ntxuav tu ua kom cov txheej tiv thaiv muaj zog.

Vim li cas qee tus stainless hlau kawm tau txais ntau dua?

Cov qhab nia nrog ntau txhiab leej lossis Molybdenum raug nqi ntau dua. Cov ntsiab no ua rau cov steel muaj zog tawm tsam xeb thiab kev puas tsuaj. Cov qhab nia siab dua nyob ntev dua hauv cov chaw tawv.

Puas yog Stainless Hlau xav tau kev saib xyuas tshwj xeeb tom qab khawb?

Yog lawm. Cov khawb khawb tuaj yeem tsis muaj zog tiv thaiv txheej. Kev tu thiab sib puag ke pab txheej txheej kho nws tus kheej. Qhov no ua kom cov hlau muaj zog thiab ci iab.

Shandong Sno Steel

Shandong Sno Style Steel Co., Ltd. yog cov tuam txhab muaj txhij txhua rau cov steel ntau lawm thiab kev lag luam. Nws txoj kev lag luam suav nrog kev tsim khoom, kev tsim khoom, faib tawm, logistics thiab Ntshuam & Export thiab export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & export & Export & Export-export ntawm hlau.

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