Thaum xaiv cov hlau tsis muaj zog (SS) rau koj daim ntawv thov lossis cov qauv, nws yog qhov tseem ceeb rau kev txiav txim siab seb cov khoom lag luam muaj zog. Txhawm rau txiav txim siab paub, nws yog ib qho tseem ceeb kom nkag siab qhov uas txiav txim siab seb puas muaj tus qib steel hlau sib nqus lossis tsis sib nqus.
Stainless hlau yog hlau-raws li alloys nto moo rau lawv cov kev tiv thaiv corrosion zoo heev. Muaj ntau yam ntawm cov hlau stainless, nrog cov thawj pawg tau ua Austenitic (piv txwv li 304F10250x010SL) thiab Ferritive (feem ntau siv nyob rau hauv cov ntawv thov hauv tsheb, chav ua noj, thiab khoom siv). Cov pawg no muaj cov tshuaj sib txawv ntawm cov tshuaj, ua rau lawv cov kev coj sib nqus me me. Cov hlau ferritic stainless feem ntau yuav nqus tau, whereas antenenitic stainless hlau tsis yog. Magnetism ntawm Ferritic Stainless Hlau tshwm sim los ntawm ob qhov tseem ceeb: nws cov ntsiab lus hlau siab thiab nws txoj kev npaj cov qauv txheej txheem.
Kev hloov los ntawm cov tsis muaj hlau nplaum sib nqus hluav taws xob theem hauv cov hlau stainless
Ob yam304thiab 316 stainless hlau poob nyob rau hauv cov Austenic qeb, uas txhais tau tias thaum lawv txias khaws nws cov Austenite (Gamma hlau) daim ntawv, ib theem tsis sib nqus. Ntau yam phales ntawm cov hlau sib raug zoo rau cov qauv siv lead ua. Hauv qee lwm lwm cov hlau alloys, no cov hlau kub-kub hloov pauv mus rau theem sib nqus thaum txias. Txawm li cas los xij, muaj cov npib tsib xee nyob rau hauv stainless hlau alloys tiv thaiv cov kev hloov theem no ua kom txias txias rau chav sov. Raws li qhov tshwm sim, stainless hlau cov khoom pov thawj me ntsis sib nqus ntau dua li cov ntaub ntawv tsis sib xws, txawm hais tias nws tseem nyob hauv qab no yam uas suav tias yog sib nqus.
Nws yog ib qho tseem ceeb kom nco ntsoov tias koj tsis tas yuav muaj kev ntsuas xws li kev sib nqus tsawg ntawm txhua daim ntawm 304 lossis 316 Stainless hlau koj tuaj hla. Cov txheej txheem muaj peev xwm hloov cov qauv siv lead ua ntawm stainless hlau tuaj yeem ua rau muaj kev cuam tshuam rau cov hlau ferromagnetic lossis ferrite cov hlau. Xws li cov txheej txheem suav nrog ua haujlwm txias thiab vuam hlau. Tsis tas li ntawd, Austenite tuaj yeem nteg tau hloov mus rau hauv martensite ntawm qis dua kub. Txhawm rau ntxiv cov nyom, cov khoom sib nqus ntawm cov alloys tau cuam tshuam los ntawm lawv cov pes tsawg leeg. Txawm nyob rau hauv cov lus uas tau tso cai ntawm kev hloov pauv ntawm npib tsib xee thiab chromium cov ntsiab lus, pom qhov sib txawv hauv cov khoom sib nqus tuaj yeem pom rau ib qho tshwj xeeb.
Cov kev txiav txim siab rau kev tshem tawm cov hlau tsis xeb
Ob 304 thiab316 Stainless Hlautso cov yam ntxwv ntawm cov yam ntxwv ntawm cov yam ntxwv. Yog li, xws li hais me me, xws li spheres nrog diameters xws li kwv yees li 0.1 mus rau 3mm, tuaj yeem kos rau cov haib sib txawv tswv yim nyob rau hauv dej khoom. Nyob ntawm lawv qhov hnyav thiab, qhov tseem ceeb tshaj, lawv qhov hnyav sib piv rau lub zog ntawm lub sib nqus ntawm cov hlau nplaum, cov me me no yuav ua raws li cov hlau nplaum thaum lub kauj ruam ntau lawm.
Tom qab, cov lus no tuaj yeem raug tshem tawm tau zoo thaum niaj hnub ua haujlwm tu cov haujlwm. Raws li peb cov kev soj ntsuam tswv yim, peb tau pom tias 304 stainless hlau hais muaj ntau dua yuav tau khaws cia hauv qhov txaus piv rau 316 stainless hlau hais. Qhov no yog feem ntau yog tus ntaus nqi rau cov hlau me ntsis ntawm 304 stainless hlau, uas ua rau nws teb tau ntau dua rau kev sib nqus cais cov txuj ci sib cais.
Lub sijhawm Post: Sep-18-2023