Muaj ntau ntau hom stainless hlau, uas tuaj yeem muab faib ua ob peb pawg raws li cov qauv tsim ntawm chav tsev kub:
1. Austenite hom: xws li 201, 202, 301, 304, 316, thiab lwm yam;
2. Martensitic lossis ferrite hom: xws li 430, 420, 410, thiab lwm yam;
Hom austenite yog tsis sib nqus lossis tsis muaj zog sib nqus, thiab martensite lossis ferrite yog sib nqus.
Cov hlau tsis muaj steel feem ntau siv los ua cov yeeb nkab zoo nkauj feem ntau yog cov khoom siv austenitic 304, uas feem ntau tsis muaj hlau nplaum lossis tsis muaj zog sib nqus, tab sis nws kuj tseem tuaj yeem sib nqus vim cov tshuaj lom neeg muaj pes tsawg leeg lossis cov kev ua haujlwm sib txawv los ntawm smelting, tab sis qhov no tsis tuaj yeem suav nrog. raws li fake los yog tsis tsim nyog. Qhov no yog vim li cas?
Raws li tau hais los saum toj no, austenite tsis yog sib nqus lossis tsis muaj zog sib nqus, thaum martensite lossis ferrite yog sib nqus. Vim muaj kev sib cais los yog kev kho cua sov tsis tsim nyog thaum smelting, nws yuav ua rau me me ntawm martensite lossis ferrite cov ntaub so ntswg hauv austenite 304 stainless hlau. Ua li no, yuav muaj qhov tsis muaj zog hlau nplaum hauv 304 stainless hlau.
Tsis tas li ntawd, tom qab ua haujlwm txias, cov ntaub so ntswg ntawm 304 stainless hlau tseem yuav hloov mus rau martensite. Qhov ntau dua qhov deformation degree ntawm kev ua haujlwm txias, qhov hloov pauv martenite ntau dua, thiab qhov loj dua cov hlau nplaum ntawm cov hlau. Zoo li tib lub pob ntawm cov hlau strips, Φ76 hlab yog tsim tsis muaj qhov pom tseeb sib nqus induction, thiab Φ9.5 raj yog tsim. Vim muaj qhov sib nqus loj ntawm qhov txias txias deformation, qhov sib nqus ntawm qhov ntau lawm square raj yog pom tseeb dua vim tias qhov deformation ntau dua li ntawm lub raj puag ncig, tshwj xeeb tshaj yog lub kaum sab xis.
Yuav kom tshem tawm tag nrho cov hlau nplaum ntawm 304 hlau los ntawm cov laj thawj saum toj no, kev ruaj ntseg ntawm cov ntaub so ntswg austenite tuaj yeem rov qab los ntawm cov khoom siv kub kub, yog li tshem tawm cov hlau nplaum.
Tshwj xeeb, cov hlau nplaum ntawm 304 stainless hlau vim yog vim li cas saum toj no txawv kiag li ntawm lwm cov ntaub ntawv, xws li 430 thiab carbon steel, uas yog hais tias, cov hlau nplaum ntawm 304 steel ib txwm qhia tsis muaj zog hlau nplaum.
Qhov no qhia peb tias yog cov hlau tsis muaj zog sib nqus los yog tsis muaj hlau nplaum, nws yuav tsum raug txiav txim raws li 304 lossis 316 cov ntaub ntawv; Yog tias nws yog tib yam li cov hlau nplaum ntawm cov hlau, nws qhia tau tias muaj zog hlau nplaum, vim nws raug txiav txim tias nws tsis yog 304 khoom.
