Nyob rau hauv lub ntiaj teb no ntawm stainless hlau cov ntaub ntawv, engineers thiab manufacturers feem ntau nug,yog 17-4 stainless hlau magnetic? Cov lus nug no tseem ceeb tshwj xeeb tshaj yog thaum xaiv cov khoom siv rau cov ntawv thov uas muaj cov khoom sib nqus, cov cuab yeej precision, lossis ib puag ncig uas cov khoom sib nqus tuaj yeem cuam tshuam kev ua haujlwm.
17-4 stainless hlau, tseem hu uaAISI630, yog lub zog muaj zog, corrosion-resistant alloy dav siv hauv aerospace, marine, tshuaj, thiab lub zog kev lag luam. Hauv tsab xov xwm no, peb tshawb xyuas seb 17-4 stainless hlau yog hlau nplaum, dab tsi cuam tshuam rau nws cov cwj pwm sib nqus, thiab vim li cas kev nkag siab nws cov khoom sib nqus yog qhov tseem ceeb rau kev siv hauv kev lag luam.
Txheej txheem cej luam ntawm 17-4 Stainless Hlau
17-4 stainless hlau yog anag lossis daus-hardening martensitic stainless hlau. Nws lub npe los ntawm nws cov muaj pes tsawg leeg: kwv yees li17% chromium thiab 4% npib tsib xee, nrog rau me me ntawm tooj liab, manganese, thiab niobium. Nws muaj nuj nqis rau nwszoo heev mechanical zog, zoo corrosion kuj, thiab muaj peev xwm yuav hardened los ntawm kev kho cua sov.
Cov hlau no feem ntau muab rau hauv nws qhov kev daws teeb meem (Tshuaj A), tab sis nws kuj tuaj yeem kho cua sov rau ntau yam tempers xws li H900, H1025, thiab H1150, nyob ntawm seb qhov xav tau lub zog thiab tawv.
At sakysteel ua, peb muab17-4 stainless hlaunyob rau hauv round bars, daim hlau, nplooj ntawv, thiab kev cai profiles, ua tau raws li thoob ntiaj teb cov qauv thiab nruj zoo yuav tsum tau.
Puas yog 17-4 Stainless Hlau Sib Nqus?
Yog lawm, 17-4 stainless hlauyog magnetic. Cov cwj pwm sib nqus no feem ntau yog vim nwsmartensitic crystal qauv, uas tsim thaum lub sij hawm kho cua sov txheej txheem. Tsis zoo li austenitic stainless hlau xws li 304 lossis 316, uas tsis yog hlau nplaum vim lawv lub ntsej muag-centered cubic (FCC) qauv, 17-4 muaj qhovlub cev-centered cubic (BCC) los yog martensitic qauv, uas tso cai rau nws nthuav tawm cov khoom sib nqus.
Lub degree ntawm magnetism nyob rau hauv17-4 stainless hlautuaj yeem sib txawv nyob ntawm:
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Kev kho cua sov(Xov A, H900, H1150, thiab lwm yam)
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Tus nqi ntawm kev ua haujlwm txiaslos yog machining
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Residual stress nyob rau hauv cov khoom
Rau feem ntau cov hom phiaj, 17-4 PH stainless hlau raug txiav txim siabsib nqus hlau nplaum, tshwj xeeb tshaj yog thaum piv rau lwm cov qib stainless hlau.
Cov khoom sib nqus hauv kev kho cua sov sib txawv
Cov lus teb sib nqus ntawm 17-4 stainless hlau yuav hloov me ntsis nyob ntawm nws cov kev kho cua sov:
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Hom A (Kev daws teeb meem): Sib nqus sib nqus
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Qauv: H900: Lub zog sib nqus teb vim muaj cov ntsiab lus martensitic ntxiv
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Qauv: H1150: Cov lus teb sib nqus me ntsis tab sis tseem sib nqus
Txawm li cas los xij, txawm tias nyob hauv lub xeev kev daws teeb meem,17-4 stainless hlautuav tus cwj pwm sib nqus. Qhov no ua rau nwstsis haum rau cov ntawv thov uas xav tau cov ntaub ntawv tsis muaj hlau nplaum, xws li qee yam khoom siv kho mob lossis MRI ib puag ncig.
Yuav ua li cas Magnetism cuam tshuam rau kev lag luam
Paub tias 17-4 stainless hlau yog hlau nplaum yog qhov tseem ceeb rau kev lag luam qhov twgmagnetic compatibilityteeb meem. Piv txwv li:
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In aerospace thiab kev tiv thaiv, magnetic zog yuav tsum tau txiav txim siab nyob rau hauv hluav taws xob shielding thiab cov khoom vaj tse.
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In kev tsim khoom, magnetic zog pab kom siv cov khoom sib nqus lifting thiab sib cais.
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In tshuaj nroj tsuag, magnetism yuav cuam tshuam kev ua tau zoo yog tias cov ntaub ntawv raug rau electromagnetic teb.
Yog tias daim ntawv thov yuav tsum muaj kev sib nqus los yog sib nqus sib nqus, 17-4 stainless hlau yuav tsim nyog. Ntawm qhov tod tes, rau cov khoom nyob ze ntawm cov khoom siv hluav taws xob lossis qhov uas tsis yog hlau nplaum yog qhov tseem ceeb,qib austeniticzoo li 304 lossis 316 tej zaum yuav zoo dua lwm txoj kev.
Sib piv nrog lwm cov qib stainless hlau
Kev nkag siab li cas 17-4 piv nrog rau lwm qib pab engineers txiav txim siab cov khoom zoo dua:
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304/316 Stainless hlau: Tsis-magnetic nyob rau hauv annealed mob; tej zaum yuav ua me ntsis sib nqus thaum ua haujlwm txias
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410 Stainless hlau: Sib nqus vim nws cov qauv martensitic; qis corrosion kuj tshaj 17-4
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17-7 PH Stainless hlau: Cov khoom sib nqus zoo sib xws; zoo formability tab sis tsawg zog tshaj 17-4
Yog li, 17-4 PH yog qhov zoo tagnrho thaum ob qho tib silub zog thiab nruab nrab corrosion kujxav tau, nrog raumagnetic cwj pwm.
At sakysteel ua, peb pab cov neeg siv khoom xaiv cov qib stainless hlau zoo raws li cov ntawv thov tshwj xeeb, suav nrog kev sib nqus sib nqus thiab cov khoom siv tshuab.
Magnetic Test Methods
Txhawm rau txiav txim siab cov khoom sib nqus ntawm 17-4 stainless hlau, ntau txoj hauv kev tuaj yeem siv:
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Magnet rub kuaj: Siv cov hlau nplaum ruaj khov los xyuas qhov kev nyiam
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Magnetic permeability ntsuas: Quantifies ntau npaum li cas cov khoom teb rau lub magnetic teb
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Eddy kev sim tam sim no: Txheeb xyuas qhov sib txawv ntawm cov conductivity thiab magnetism
Cov kev ntsuam xyuas no tuaj yeem pab txheeb xyuas cov khoom tsim nyog tshaj plaws rau cov ntawv thov tseem ceeb.
Cov ntsiab lus
Txhawm rau teb cov lus nug ncaj qha:Yog, 17-4 stainless hlau yog hlau nplaum, thiab nws tus cwj pwm sib nqus yog qhov tshwm sim ntawm nwsmartensitic qauvtsim thaum kho cua sov. Thaum nws yuav tsis zoo li corrosion-resistant li austenitic stainless hlau, 17-4 muaj qhov sib npaug tshwj xeeb ntawmzog, hardness, corrosion kuj, thiab hlau nplaum, ua rau nws muaj nqis heev nyob rau hauv ntau yam kev lag luam.
Thaum xaiv cov hlau tsis muaj steel rau koj qhov project, xav txog seb cov khoom sib nqus puas muaj txiaj ntsig lossis kev txwv. Yog tias koj xav tau cov khoom siv sib xyaw ua kemagnetic teb nrog siab mechanical kev ua tau zoo, 17-4 PH stainless hlau yog qhov kev xaiv zoo heev.
Rau cov khoom zoo 17-4 stainless hlau, nrog rau cov kab puag ncig, cov ntawv txheeb, thiab cov khoom siv, kev ntseeg siabsakysteel ua- koj tus khub txhim khu kev qha rau precision stainless cov kev daws teeb meem thiab cov ntaub ntawv kws tshaj lij kev txhawb nqa.
Post lub sij hawm: Jun-24-2025