Kev kho qhov kub ntawm 304 stainless hlau phaj yuav tsum nyob ib ncig ntawm 1080 1100 degree, thiab cov txheej txheem txias yog dej txias lossis cua txias. Hauv cov txheej txheem ua haujlwm txias, qhov yuav tsum tau ua kom sov, thiab qhov kub thiab txias feem ntau yog nyob ib ncig ntawm 890 degrees Celsius. Tom qab ib lub sijhawm, qhov kawg ntawm kev khaws cia cov cua sov yuav nkag mus rau theem dej txias.
Cov quenched stainless hlau phaj tau muab tso rau hauv lub qhov cub kho cua sov, rhuab mus rau 500 degree C., khaws cia rau 2 teev, tshem tawm, thiab txias rau chav tsev kub hauv huab cua. Lub hardness ntawm stainless hlau phaj yuav tsum feem ntau yog hb200230. Yog hais tias lub hardness ntawm stainless hlau phaj yuav tsum tau txo mus rau hardness ua ntej quenching, lub cub tawg kub yuav tsum tau nce mus rau 850 degree, thiab ces lub hardness ntawm cov hlau yuav txo qis thaum lub cub tawg txias.
304 stainless hlau phaj quenching yog ib txoj kev kho cua sov uas ua kom sov cov hlau siab tshaj qhov kub thiab txias, ua kom nws nyob rau lub sijhawm, thiab tom qab ntawd muab tso rau hauv qhov nruab nrab quenching, dheev txo nws qhov kub thiab txias sai ntawm qhov nrawm dua. dua li qhov tseem ceeb ntawm qhov txias txias, thiaj li yuav tau txais A tsis yog - qauv sib npaug los ntawm martensite. Quenching nce lub zog thiab hardness ntawm cov hlau, tab sis txo nws cov ductility. quenching media feem ntau siv hauv quenching muaj xws li dej, roj, dej alkaline thiab ntsev tov.
Lub 304 stainless hlau phaj yog rhuab mus rau 4060oC saum toj no qhov tseem ceeb kub rau ib lub sij hawm, thiab ces txias nyob rau hauv huab cua yog hu ua normalizing. 304 stainless hlau phaj yog rhuab mus rau lub quenching kub, khaws cia rau ib lub sij hawm ntawm lub sij hawm, thiab ces txias sai sai nyob rau hauv dej, brine los yog roj (ib qho khoom nyob rau hauv huab cua), uas yog hu ua quenching tshav kub kho.
Hauv cov ntsiab lus, saum toj no yog cov ntsiab lus tseem ceeb ntawm yuav ua li cas 304 stainless hlau phaj yog quenched thiab softened. Peb pom zoo kom 304 stainless hlau tsis raug quenched los yog nws yuav poob nws hardness. 304 stainless hlau yog austenitic stainless hlau, uas tsis tuaj yeem quenched thiab tsuas tuaj yeem txhim kho los ntawm cov khoom siv. Austenitic stainless hlau hais txog stainless hlau nrog cov qauv austenitic nyob rau hauv chav tsev kub. Thaum cov ntsiab lus Cr yog li ntawm 18 feem pua, Ni8 feem pua rau 10 feem pua, thiab cov ntsiab lus C yog li 0.1 feem pua, cov hlau muaj cov qauv austenite ruaj khov. Austenitic chromium-nickel stainless steels suav nrog lub qhov dej-paub 18Cr-8Ni steel thiab siab Cr-Ni series steels tsim los ntawm kev nce cov ntsiab lus ntawm Cr thiab Ni thiab ntxiv cov ntsiab lus xws li Mo, Cu, Si, Nb, thiab Ti. Austenitic stainless hlau yog cov hlau tsis sib nqus thiab muaj qhov toughness thiab plasticity, tab sis lawv lub zog tsawg. Kev hloov theem tsis ntxiv dag zog rau nws. Nws tsuas tuaj yeem ntxiv dag zog los ntawm kev ua haujlwm txias. Ntxiv s, CA, Se, TE thiab lwm yam, muaj kev ua tau zoo pub dawb.