Puas Yog Stainless Hlau Sib Nqus?

Kev Taw Qhia

Cov hlau tsis xeb yog paub dav rau nws txoj kev tiv taus corrosion thiab sleek tsos, tab sis ib lo lus nug feem ntau yog:Cov hlau tsis xeb puas yog hlau nplaum?Cov lus teb tsis yog yooj yim - nws nyob ntawm sebhomthiabcov qauv siv lead uantawm cov hlau tsis xeb. Hauv phau ntawv qhia no, peb yuav tshawb nrhiav cov khoom sib nqus ntawm cov hlau tsis xeb sib txawv, piav qhia txog kev nkag siab yuam kev, thiab pab cov engineers, cov neeg yuav khoom, thiab cov neeg DIY ua qhov kev xaiv zoo.

Dab tsi ua rau cov khoom siv sib nqus?

Ua ntej peb yuav tham txog cov hlau tsis xeb, cia peb saib seb yam dab tsi txiav txim seb cov khoom siv puas yog hlau nplaum. Cov khoom siv yogsib nqusyog tias nws tuaj yeem raug rub mus rau lub hlau nplaum lossis magnetized. Qhov no tshwm sim thaum cov khoom muajcov electrons tsis sib txuasthiab ib qhocov qauv crystallineuas tso cai rau cov magnetic domains kom sib phim.

Cov ntaub ntawv raug muab faib ua peb hom sib nqus:

• Ferromagnetic(muaj zog heev)

• Paramagnetic(tsis muaj zog sib nqus)

• Diamagnetic(tsis yog hlau nplaum)

Cov Qauv ntawm Cov Hlau Stainless: Ferrite, Austenite, Martensite

Cov hlau tsis xeb yog ib qhohlau alloymuaj chromium thiab qee zaum nickel, molybdenum, thiab lwm yam khoom. Nws cov khoom sib nqus nyob ntawm nwsqauv me me, uas poob rau hauv cov pawg hauv qab no:

1. Cov Hlau Stainless Austenitic (Tsis Muaj Hlau Sib Nqus Los Yog Tsis Muaj Hlau Sib Nqus)

• Cov Qib Kawm Sib Xws: 304, 316, 310, 321

• Cov qauv: Lub ntsej muag-Centered Cubic (FCC)

• Sib nqus?: Feem ntau tsis yog hlau nplaum, tab sis kev ua haujlwm txias (piv txwv li, khoov, machining) tuaj yeem ua rau muaj hlau nplaum me ntsis.

Cov hlau tsis xeb Austenitic yog cov hom siv ntau tshaj plaws hauv chav ua noj, kav dej, thiab cov cuab yeej kho mob vim lawv txoj kev tiv taus xeb zoo heev thiab ductility.

2. Ferritic Stainless Hlau (Sib Nqus)

• Cov Qib Kawm Sib Xws: 430, 409,446

• Cov qauv: Lub cev-Centered Cubic (BCC)

• Sib nqus?: Yog, cov hlau ferritic yog hlau nplaum.

Lawv feem ntau yog siv rau hauv cov khoom siv hauv tsheb, cov khoom siv hauv tsev, thiab cov ntawv thov hauv kev lag luam uas qhov kev tiv thaiv corrosion nruab nrab txaus.

3. Cov Hlau Stainless Martensitic (Sib Nqus)

• Cov Qib Kawm Sib Xws: 410, 420, 440C

• Cov qauvLub cev-Centered Tetragonal (BCT)

• Sib nqus?: Yog, cov no muaj zog heev.

Cov hlau Martensitic paub txog lawv qhov nyuaj thiab feem ntau siv rau hauv cov riam, cov cuab yeej txiav, thiab cov khoom siv turbine.

Puas yog 304 lossis 316 Stainless Steel Magnetic?

Qhov no yog ib qho ntawm cov lus nug uas neeg tshawb nrhiav ntau tshaj plaws. Nov yog kev sib piv sai:

Yog li ntawd, yog tias koj tab tom nrhiavcov hlau tsis muaj hlau nplaum, 304 thiab 316 yog koj qhov kev twv zoo tshaj plaws - tshwj xeeb tshaj yog nyob rau hauv lawv qhov xwm txheej annealed.

Vim li cas nws thiaj tseem ceeb yog tias cov hlau tsis xeb yog sib nqus?

Kev nkag siab seb qib stainless hlau puas yog hlau nplaum yog qhov tseem ceeb rau:

• Cov khoom siv ua zaub mov: qhov twg magnetism tuaj yeem cuam tshuam rau cov tshuab.

• Cov khoom siv kho mobxws li cov tshuab MRI, qhov twg cov khoom siv uas tsis yog hlau nplaum yog qhov yuav tsum tau ua.

• Cov khoom siv rau cov neeg siv khoom: rau kev sib raug zoo nrog cov khoom siv sib nqus.

• Kev tsim khoom lag luam: qhov twg weldability lossis machining tus cwj pwm hloov pauv raws li cov qauv.

Yuav Ua Li Cas Kuaj Xyuas Qhov Sib Nqus Hlau Stainless Steel

Yuav xyuas seb cov hlau tsis xeb puas muaj hlau nplaum:

1. Siv lub hlau nplaum– Muab nws lo rau saum npoo. Yog tias nws lo ruaj khov, ces nws yog hlau nplaum.

2. Sim cov cheeb tsam sib txawv- Cov cheeb tsam vuam lossis ua haujlwm txias yuav qhia tau ntau dua magnetism.

3. Xyuas kom meej qhov qib- Qee zaum, cov kev xaiv pheej yig raug siv yam tsis muaj daim ntawv lo.

Cov hlua hlau tsis muaj hlau nplaum

Peb tau ua qhov kev sim tsis muaj hlau nplaum rau cov hlua hlau tsis xeb ntawm ntau txoj kab uas hla thiab cov ntaub ntawv kom ntseeg tau tias ua raws li cov qauv permeability qis-magnetic uas xav tau hauv cov ntawv thov tseem ceeb xws li chav MRI, kev siv tub rog, thiab cov cuab yeej siv precision.

Daim vis dis aus qhia no qhia txog peb cov txheej txheem sim sib nqus, xyuas kom meej tias peb cov hlua - ua los ntawm cov qib xws li 316L thiab 304 stainless hlau - tseem tsis muaj zog sib nqus txawm tias tom qab tsim thiab tsim khoom.

Cov Hlau Stainless Puas Ua Tau Magnetic Dhau Lub Sijhawm?

Yog.Ua haujlwm txias(khoov, tsim, machining) tuaj yeem hloov pauv microstructure ntawm austenitic stainless hlau thiab qhia txogcov khoom ferromagneticQhov no tsis tau txhais hais tias cov khoom siv tau hloov qib - nws tsuas yog txhais tau tias qhov chaw tau dhau los ua me ntsis magnetic.

Xaus lus

Yog li ntawd,puas yog stainless hlau sib nqus?Cov lus teb yog:Ib txhia yog, ib txhia tsis yog.Nws nyob ntawm qib thiab kev kho mob.

• Austenitic (304, 316): Tsis yog-sib nqus hauv daim ntawv annealed, me ntsis sib nqus tom qab ua haujlwm txias.

• Ferritic (430)thiabMartensitic (410, 420): Sib nqus.

Thaum xaiv cov hlau tsis xeb rau koj daim ntawv thov, xav txogob qho tib si nws txoj kev tiv thaiv corrosion thiab cov khoom sib nqusYog tias qhov tsis yog hlau nplaum yog qhov tseem ceeb, paub meej nrog koj tus neeg muag khoom lossis sim cov khoom siv ncaj qha.