1. Txhais thiab cov yam ntxwv ntawm stainless hlau puag ncig steel
Stainless hlau puag ncig bar yog hais txog cov khoom siv ntev nrog ib qho kev sib thooj hla ntu, feem ntau txog plaub meters ntev, uas tuaj yeem muab faib ua ib puag ncig du thiab dub bar. Lub npoo npoo du yog du thiab ua tiav los ntawm quasi-rolling; dub bar nto yog dub thiab ntxhib thiab ncaj qha kub-dov.
Stainless hlau round bar muaj ntau yam zoo heev. Ua ntej, nws cov oxidation kuj zoo heev. Piv txwv li, 310S stainless hlau puag ncig bar muaj zog nkag tau zoo dua vim qhov feem pua ntawm cov chromium thiab npib tsib xee ntau dua, tuaj yeem ua haujlwm txuas ntxiv ntawm qhov kub thiab txias, thiab muaj qhov kub zoo. Secondly, nws muaj zog corrosion kuj. Piv txwv li, 316L stainless hlau puag ncig bar muaj corrosion kuj zoo heev, tshwj xeeb tshaj yog pitting kuj, vim qhov sib ntxiv ntawm Mo, thiab cov tsos ntawm cov khoom txias-dov muaj gloss zoo; Tom qab ntxiv Mo rau 316 stainless hlau puag ncig bar, corrosion kuj, atmospheric corrosion kuj thiab kub kub lub zog yog tshwj xeeb zoo, thiab nws yuav siv tau nyob rau hauv hnyav tej yam kev mob. Tsis tas li ntawd, stainless hlau puag ncig bar muaj cov khoom siv zoo, xws li 304 stainless hlau puag ncig bar muaj corrosion kuj zoo, kub tsis kam, kub tsis tshua muaj zog thiab txhua yam khoom, thiab yog corrosion-resistant nyob rau hauv cov huab cua. Nyob rau tib lub sijhawm, stainless hlau round bar muaj cov khoom tu cev zoo thiab tau siv dav hauv kev lag luam khoom noj khoom haus thiab cov khoom siv phais. Tsis tas li ntawd, stainless hlau puag ncig tuav kuj zoo nkauj zoo nkauj, nrog lub ntsej muag du zoo. Lawv tuaj yeem ua tiav rau hauv cov chaw lag luam, cov chaw txhuam hniav, cov chaw ci ntsa iab thiab tuaj yeem polished dua raws li qhov xav tau sib txawv.
2. Kev siv stainless hlau puag ncig steel
2.1 Ntau yam ntawm daim ntawv thov teb
Stainless hlau puag ncig tuav muaj cov ntawv thov dav dav thiab ua lub luag haujlwm tseem ceeb hauv ntau qhov chaw. Nyob rau hauv lub tshav pob ntawm shipbuilding, nws cov corrosion kuj thiab kub tsis kam ua rau nws yog ib qho zoo tagnrho xaiv cov khoom siv rau kev tsim cov qauv ntawm lub nkoj thiab cov khoom siv nkoj. Hauv kev lag luam petrochemical, stainless hlau puag ncig tuav tuaj yeem tiv taus kev yaig ntawm ntau yam tshuaj corrosive thiab tau siv dav hauv kev tsim cov khoom siv tshuaj thiab cov kav dej. Hauv kev lag luam khoom noj khoom haus, stainless hlau round bar yog siv hauv cov khoom noj khoom haus, ntim, thiab cov kav dej. vim lawv cov kev tu cev zoo thiab corrosion kuj. Kev kho mob kuj tseem muaj kev xav tau kev nyiam huv heev. Cov cuab yeej phais thiab cov cuab yeej kho mob ua los ntawm cov hlau tsis muaj steel puag ncig ua tau raws li cov qauv kev nyiam huv.
Nyob rau hauv cov nqe lus ntawm lub tsev kho kom zoo nkauj, stainless hlau puag ncig tuav yuav siv tau los ua lub structural skeleton ntawm lub tsev, ntau yam hniav qhov chaw, handrails, qhov rooj thiab qhov rais, thiab lwm yam. lub tsev. Tsis tas li ntawd, nyob rau hauv lub tshav pob ntawm hardware kitchenware, kitchenware ua los ntawm stainless hlau round tuav yog ruaj thiab zoo nkauj. Nyob rau hauv cov nqe lus ntawm cov khoom siv, xws li seawater siv cov khoom siv, tshuaj, dyes, papermaking, oxalic acid, chiv thiab lwm yam khoom siv ntau lawm, stainless hlau round bars kuj tau lug siv. Nws cov kev tiv thaiv corrosion tuaj yeem ua kom lub sijhawm ntev thiab ruaj khov ntawm cov khoom siv hauv qhov chaw hnyav.
3. Khoom faib ntawm stainless hlau puag ncig steel
3.1 Taw qhia rau cov khoom siv sib xws
301 Stainless hlau puag ncig bar: Zoo ductility, dav siv hauv cov khoom tsim. Nws tseem tuaj yeem ua kom tawv tawv los ntawm lub tshuab ceev, muaj qhov zoo weldability, thiab muaj kev hnav zoo dua thiab qaug zog dua li 304 stainless hlau.
304 stainless hlau puag ncig bar: Nws yog feem ntau siv chromium-nickel stainless hlau nrog zoo corrosion kuj, kub tsis kam, kub tsis tshua muaj zog thiab txhua yam khoom. Nws yog corrosion-resistant nyob rau hauv cov huab cua. Yog tias nws yog ib qho chaw ua lag luam lossis thaj chaw muaj kuab paug hnyav, nws yuav tsum tau muab ntxuav kom huv si kom tsis txhob muaj corrosion.
303 stainless hlau puag ncig bar: Nws yooj yim dua los txiav 304 los ntawm kev ntxiv me me ntawm sulfur thiab phosphorus, thiab nws lwm yam khoom zoo ib yam li 304.
316 stainless hlau puag ncig bar: Tom qab 304, nws yog qhov thib ob feem ntau siv hlau hom, feem ntau yog siv hauv kev lag luam khoom noj thiab khoom siv phais. Vim tias qhov sib ntxiv ntawm Mo, nws cov kev tiv thaiv corrosion, atmospheric corrosion kuj thiab kub kub lub zog yog tshwj xeeb zoo, thiab nws yuav siv tau nyob rau hauv hnyav tej yam kev mob; zoo heev ua hauj lwm hardening (tsis-magnetic).
316L stainless hlau puag ncig bar: Cov khoom txias-dov muaj qhov zoo nkauj zoo nkauj thiab zoo nkauj; vim qhov sib ntxiv ntawm Mo, nws muaj kev tiv thaiv corrosion zoo heev, tshwj xeeb tshaj yog pitting tsis kam; zoo heev high-temperature zog; zoo heev ua hauj lwm hardening (tsis muaj zog hlau nplaum tom qab ua); non-magnetic in solid solution state.
304L stainless hlau puag ncig bar: Nws yog qhov sib txawv ntawm 304 stainless hlau nrog cov ntsiab lus qis dua thiab siv rau qee lub sijhawm uas yuav tsum tau vuam. Cov ntsiab lus qis dua txo qis cov nag lossis daus ntawm carbides nyob rau hauv thaj chaw uas muaj kev kub ntxhov nyob ze ntawm qhov vuam, thiab nag lossis daus ntawm carbides yuav ua rau muaj kev cuam tshuam ntawm intergranular corrosion (welding yaig) ntawm stainless hlau hauv qee qhov chaw.
321 stainless hlau puag ncig bar: Ti yog ntxiv rau 304 steel los tiv thaiv intergranular corrosion, thiab yog haum rau siv nyob rau hauv kub ntawm 430 ℃ - 900 ℃. Tsuas yog tias qhov kev pheej hmoo ntawm xeb ntawm cov khoom siv vuam raug txo los ntawm kev sib ntxiv ntawm titanium, lwm yam khoom zoo ib yam li 304.
2520 stainless hlau puag ncig bar: Nws muaj qhov kub thiab txias tsis kam thiab oxidation tsis kam, thiab tuaj yeem ua haujlwm ruaj khov rau lub sijhawm ntev hauv qhov kub thiab txias.
201 stainless hlau puag ncig bar: Nws yog chromium-nickel-manganese austenitic stainless hlau uas tsis tshua muaj hlau nplaum thiab tus nqi qis. Nws yog feem ntau siv nyob rau hauv cov xwm txheej uas corrosion kuj tsis yog tshwj xeeb yog siab, tab sis muaj zog hardness thiab lub zog yuav tsum tau.
2202 stainless hlau puag ncig bar: Nws yog chromium-nickel-manganese austenitic stainless hlau nrog kev ua tau zoo dua 201 stainless hlau.
3.2 Daim ntawv thov sib txawv ntawm cov khoom sib txawv
Hauv kev lag luam roj, 316L thiab 316 stainless hlau puag ncig tuav tau dav siv hauv kev tsim kho cov cuab yeej petrochemical thiab cov kav dej vim lawv qhov zoo corrosion kuj thiab kub tsis kam. Hauv kev lag luam hluav taws xob, 304 thiab 304L stainless hlau puag ncig tuav yog feem ntau siv nyob rau hauv vaj tse thiab sab hauv cov txheej txheem ntawm cov khoom siv hluav taws xob vim lawv cov kev ua tau zoo thiab kev tiv thaiv corrosion. Hauv kev lag luam tshuaj, stainless hlau puag ncig tuav ntawm ntau yam khoom siv, thiab cov khoom tsim nyog raug xaiv raws li cov tshuaj sib txawv thiab chaw ua haujlwm. Piv txwv li, rau cov tshuaj corrosive heev, 316L thiab 316 stainless hlau puag ncig tuav yog tsim nyog; Thaum rau cov khoom siv tshuaj lom neeg, 304 stainless hlau puag ncig tuav tuaj yeem ua tau raws li qhov yuav tsum tau ua.
Hauv kev lag luam kws tshuaj, kev tu cev yuav tsum muaj siab heev. 316L thiab 304L stainless hlau puag ncig tuav yog siv los ua cov cuab yeej phais, cov cuab yeej kho mob, thiab lwm yam. Hauv kev lag luam khoom noj khoom haus, 304 thiab 316 stainless hlau round tuav yog cov khoom siv feem ntau, uas tuaj yeem ua tau raws li kev nyiam huv thiab kev tiv thaiv corrosion hauv cov txheej txheem ua zaub mov.
Hauv kev lag luam tshuab, stainless hlau puag ncig tuav ntawm cov khoom sib txawv raug xaiv raws li cov kev cai tshwj xeeb ntawm cov khoom siv tshuab. Piv txwv li, rau qhov chaw uas xav tau lub zog siab thiab hnav tsis kam, koj tuaj yeem xaiv 420 stainless hlau puag ncig tuav; rau qhov chaw uas xav tau kev ua haujlwm zoo, koj tuaj yeem xaiv 303 stainless hlau puag ncig tuav.
Hauv kev tsim kho kev lag luam, 304 thiab 316 stainless hlau puag ncig tuav yog feem ntau siv rau cov khoom siv kho kom zoo nkauj thiab cov qauv ntawm cov tsev. Lawv cov kev tiv thaiv corrosion thiab kev zoo nkauj tuaj yeem ntxiv tus nqi rau lub tsev. Hauv qee qhov chaw tsim kho tshwj xeeb, xws li seaside lossis chlorine-muaj ib puag ncig, corrosion kuj ntawm 316L stainless hlau puag ncig tuav yog qhov tseem ceeb dua.
Post lub sij hawm: Oct-31-2024