Stainless hlau thiab CNC Machining
Stainless hlau yog ib qho zoo heev ntau yam hlau thiab feem ntau siv rau CNC Machining thiab CNC tig nyob rau hauv aerospace, automotive thiab marine industries. Stainless hlau paub txog nws qhov kev tiv thaiv corrosion thiab nrog ntau yam alloys thiab qib ntawm stainless hlau muaj, muaj ntau yam kev siv thiab siv rooj plaub.
Muaj tsib pawg ntawm stainless hlau nrog sib txawv alloying ntsiab thiab cov khoom siv:
- Austenitic Stainless hlau
- Ferritic Stainless hlau
- Martensitic Stainless hlau
- Dej nag Hardened Steel
- Duplex Stainless hlau (Austenitic-Ferritic)
Austenitic hlau
Austenitic stainless hlau feem ntau yog siv rau cov khoom uas yuav tsum tau muaj zog corrosion kuj. Cov khoom siv hauv tsev, kev lag luam thiab kev tsim vaj tsev feem ntau siv austenitic stainless hlau. Cov no tuaj yeem suav nrog:
1. Ceev thiab bolts thiab lwm yam fasteners;
2. Cov khoom siv ua zaub mov;
3.Industrial Gas Turbines.
Austenitic stainless hlau paub txog lawv cov machinability thiab weldability, uas txhais tau tias lawv feem ntau siv hauv CNC machining. Vim nws cov qauv crystalline feem ntau, austenitic stainless hlau tsis tuaj yeem hardened los ntawm tshav kub, thiab ua rau lawv tsis-sib nqus. Cov qib nrov suav nrog 304 thiab 316, thiab muaj nyob nruab nrab ntawm 16 thiab 26 feem pua chromium.
Ferritic hlau
Ferritic stainless hlau muaj nyob ib ncig ntawm 12% chromium. Nws txawv ntawm lwm hom hlau stainless vim nws cov tshuaj muaj pes tsawg leeg thiab nws cov qauv molecular grain. Tsis zoo li cov hlau austenitic, ferritic hlau muaj qhov sib nqus vim nws lub cev nyob hauv qhov cubic grain qauv. Nrog rau qhov qis dua corrosion thiab kub tsis kam tshaj cov hlau austenitic, nws feem ntau yog siv rau cov khoom siv tsheb thiab cov khoom siv hauv chav ua noj.
Ferritic steel muaj qib siab ntawm kev tiv thaiv kev ntxhov siab corrosion tawg. Qhov no ua rau nws yog qhov kev xaiv nrov ntawm cov hlau rau ib puag ncig uas muaj cov tshuaj chloride. Kev ntxhov siab corrosion tawg tuaj yeem ua rau cov hlau tsis zoo yog tias nws raug rau ib puag ncig corrosive, tshwj xeeb, thaum raug chlorides.
Martensitic hlau
Martensite yog ib qho nyuaj heev ntawm cov hlau, thiab nws cov khoom txhais tau tias nws yog cov hlau uas tuaj yeem kho cua sov thiab tawv, tab sis nws feem ntau tau txo cov tshuaj tiv thaiv, thaum piv rau austenitic steels. Cov txiaj ntsig ntawm martensitic steel txhais tau hais tias nws muaj tus nqi qis, huab cua hardening hlau nrog nruab nrab corrosion kuj, uas yog ib qho yooj yim rau kev tsim, nrog ib tug tsawg kawg nkaus chromium ntsiab lus ntawm 10.5%.
Kev siv cov martensitic stainless hlau muaj xws li:
1. Cov tais diav
2. Tsheb qhov chaw
3.Steam, roj thiab dav hlau turbine hniav
4.Valves
5.Cov cuab yeej phais
Dej nag Hardened Steel
Precipitation Hardened Steel yog qib steel uas muaj zog tshaj plaws, yog cov cua sov kho tau thiab muaj kev tiv thaiv corrosion zoo heev. Vim qhov no nws yog siv ntau rau cov khoom siv hauv aerospace, qhov twg huab cua thiab kev ntseeg siab xav tau los ntawm ib feem.
PH hlau kuj tseem siv rau hauv kev lag luam roj, roj thiab nuclear. Qhov no yog vim nws muaj kev sib xyaw ua ke ntawm lub zog siab tab sis feem ntau qis dua tab sis ua haujlwm tau zoo ntawm cov tawv nqaij. Cov qib nrov tshaj plaws ntawm nag lossis daus hardened steels yog 17-4 PH thiab 15-5 PH.
Feem ntau siv rau PH hardened steel:
1. riam
2. Phom phom
3.Cov cuab yeej phais
4. Cov cuab yeej tes
Duplex Stainless Hlau
Duplex stainless hlau, qee zaum hu ua austenitic-ferritic stainless hlau muaj ob-theem metallurgical qauv. Namely, duplex stainless hlau muaj ob qho tib si austenitic thiab ferritic theem. Lub zog ntawm duplex stainless hlau yog siab dua li ib txwm austenitic stainless hlau thiab muaj kev tiv thaiv corrosion ntxiv.
Duplex qib muaj qis molybdenum thiab nickel cov ntsiab lus uas tuaj yeem txo cov nqi piv nrog cov qib austenitic. Yog li ntawd, duplex alloys feem ntau yog siv rau hauv kev lag luam hnyav xws li kev lag luam petrochemical.
Tej yam yuav tsum tau xav txog thaum xaiv ib qib stainless hlau
Feem ntau muaj ntau yam uas yuav tsum tau xav txog thaum xaiv cov khoom siv rau ib qhov project. Nrog ntau ntau ntawm cov qib stainless hlau sib txawv muaj, nws tuaj yeem nyuaj rau nqaim koj xaiv. Txawm li cas los xij yog tias koj xav txog cov hauv qab no, koj yuav tsum nyob hauv txoj haujlwm los txiav txim siab qib twg yog qhov zoo tshaj rau koj.
Lub zog
Feem ntau tensile lub zog yog qhov tseem ceeb hauv kev txiav txim siab cov khoom siv zoo tshaj plaws rau koj qhov project. Peb pom zoo kom txhim kho kev nkag siab ntawm lub zog thiab kev thauj khoom uas yuav tau ntsib los ntawm koj qhov chaw thiab muab piv rau qhov no tiv thaiv ntau lub zog tensile ntawm kev muab. Qhov no yuav pab koj tshem tawm cov khoom siv uas tsis muaj lub zog xav tau.
Kev kho cua sov
Yog tias koj muaj kev xav tau tshwj xeeb hardness rau koj qhov chaw, koj tuaj yeem xav txog kev kho cua sov. Nco ntsoov tias thaum kev kho cua sov txhim kho qhov hardness ntawm koj qhov chaw, qhov no tuaj yeem raug nqi ntawm lwm yam khoom siv. Tsis tas li ntawd nco ntsoov tias austenitic stainless hlau tsis tuaj yeem kho cua sov, yog li tshem tawm pawg no los ntawm koj cov khoom xaiv.
Magnetism
Hauv qee qhov haujlwm, txawm tias ib feem yog hlau nplaum lossis tsis yog qhov tseem ceeb uas yuav tsum tau xav txog. Nco ntsoov tias austenitic hlau tsis yog hlau nplaum vim nws cov microstructure.
Nqi
Yog tias tus nqi yog qhov tseem ceeb tshaj plaws rau koj qhov project, nco ntsoov. Txawm li cas los xij, tus nqi ntawm cov khoom siv tsuas yog ib feem ntawm tus nqi tag nrho. Sim txo tus nqi los ntawm kev txo tus naj npawb ntawm kev ua haujlwm machining thiab ua kom yooj yim rau koj cov khoom kom ntau li ntau tau.
Muaj Qib
Thaum npaj ib nqe lus nrog CNC machining tuam txhab uas muag xws li peb, xyuas kom pom cov qib stainless hlau lawv muaj; tej zaum yuav muaj cov qhab-nees uas lawv npaj tau los yog tuaj yeem yooj yim qhov chaw. Sim zam kom tsis txhob qhia cov qib niche ntau dhau los yog cov khoom lag luam muaj npe vim qhov no tuaj yeem ua rau ob qho tib si cov nqi thiab cov sij hawm txhuas.
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