Cia peb muab qee qhov kev tshawb fawb nrov rau koj: dab tsi yog cov zaub mov qib stainless hlau? Hom twg muaj?
Thaum muas stainless hlau tableware, koj feem ntau pom cov lus "304 stainless hlau". Qee cov tub lag luam hais tias "304 stainless hlau yog cov zaub mov-qib stainless hlau", thaum lwm tus hais tias "316 stainless hlau zoo dua 304 stainless hlau", yog li cov xov tooj tsis zoo no yog dab tsi? Nws yuav ua li cas rau "zaub mov qib"?
Stainless hlau naj npawb siv rau tableware thiab kitchenware muaj xws li 304, 316, 420, thiab lwm yam., vim hais tias tableware tsis xav kom muaj zog tiv thaiv kev nyuaj siab thiab corrosion, thiab kev siv kub tsis siab heev. Rau stainless hlau, qhov no yog qhov kub thiab txias heev. , yog li cov ntaub ntawv siv tau tiag tiag pheej yig heev thiab feem ntau siv. Coob leej neeg tseem tsis nkag siab txog cov zaub mov qib stainless hlau. Muaj ntau ntau hom zaub mov-qib stainless hlau thiab qhov txawv ntawm nws thiab 304 stainless hlau yog dab tsi.
Puas yog 304 stainless hlau zoo ib yam li zaub mov qib 304 stainless hlau?
304 yog ib hom stainless hlau, American lub npe. Nws lub npe suav suav yog 06Cr19Ni10, uas yog qhov nyuaj heev thiab nyeem tsis yooj yim, yog li peb tau siv ntau dua los hu nws "304 stainless hlau".
Puas yog 304 stainless hlau zoo ib yam li zaub mov qib 304 stainless hlau? tsis zoo ib yam! Khoom noj khoom haus qib thiab hom muaj nyob rau hauv ob lub tshuab, tab sis lawv yog inextricably txuas. Ib yam li ib tug neeg tuaj yeem ua tau txiv neej thiab txiv - tus txiv neej puas yuav tsum yog txiv? tsis paub meej.
Ib yam yog muaj tseeb nyob rau hauv lub tshav pob ntawm stainless hlau. Qib txiav txim siab corrosion kuj ntawm stainless hlau. Raws li seb nws yog qib zaub mov, ntxiv rau qhov kev tiv thaiv corrosion ntawm stainless hlau, kuj tseem muaj cov kev cai rau cov nag lossis daus ntawm tsib cov hlau hnyav: txhuas, chromium, npib tsib xee, cadmium, thiab arsenic.
Tom qab ntawd, nws tau pom tias cov hlau tsis muaj steel uas tuaj yeem ua tau raws li qhov xav tau ntawm cov hlau hnyav hnyav tuaj yeem ua tau raws li qib yuav tsum tau ua. Yog li ntawd, nyob rau hauv lub teb chaws tus qauv GB9684-2011 "National Food Safety Standard Stainless Steel Products", cov qib yuav tsum tau muab tso tseg thiab tsuas yog cov precipitates ntawm hnyav hlau yuav tsum tau (nws yog ib tug txawv txoj kev hais tias nws, uas yog tiag tiag. zoo ib yam li cov kev cai ntawm lub teb chaws tus qauv qub), yog li niaj hnub no Tsis muaj qhov yuav tsum tau rau qib ntawm stainless hlau siv hauv tableware, tab sis tib lub sij hawm, ntev npaum li nws tuaj yeem ncav cuag qib zaub mov, nws yuav tsum ncav cuag yam tsawg kawg nkaus. 304 stainless hlau.
Saib rov qab tam sim no, zaub mov-qib 304 stainless hlau yog 304 stainless hlau uas ua tau raws li cov qauv hnyav hlau nag lossis daus; thaum zoo tib yam 304 stainless hlau tsis tau sim raws li lub teb chaws tus qauv GB 9684.
Lub npe ntawm lub teb chaws qub GB 9684 yog "National Food Safety Standard Stainless Steel Products". Lub teb chaws tus qauv no tau raug hloov los ntawm GB 4806. thiab aluminium (GB 11333)).
Hauv lwm lo lus, cov zaub mov qib stainless hlau hais txog stainless hlau uas ua raws li lub teb chaws yuav tsum muaj tus qauv GB4806.9-2016 "National Food Safety Standard Metal Materials and Products for Food Contact".
Hais txog stainless hlau tableware, lub teb chaws tus qauv tshiab (GB 4806.9) stipulates:
4.1.3 Stainless hlau tableware ntim yuav tsum tau ua los ntawm austenitic stainless hlau, austenitic ferritic stainless hlau, ferritic stainless hlau thiab lwm yam ntaub ntawv stainless hlau;
Khoom noj khoom haus qib stainless hlau feem ntau suav nrog 304 stainless hlau thiab 316 stainless hlau
1. 304 stainless hlau tuaj yeem tiv taus corrosion thiab oxidation los ntawm tshuaj lom neeg. Cov khoom siv ntawm stainless hlau siab cookers yog 304 lossis siab dua.
2. 316 stainless hlau yog zoo dua, muaj 10% npib tsib xee, yog corrosion-resistant ntau, yog dav siv nyob rau hauv kev kho mob daim ntaub ntawv, tsis muaj hlau ion nag lossis daus, thiab muaj kev nyab xeeb heev.
Qhov txawv ntawm cov zaub mov qib 304 thiab SUS304 stainless hlau
SUS304 yog hais txog 304 stainless hlau. SUS yog cov khoom siv hauv Nyij Pooj, thiab 304 stainless hlau yog qib stainless hlau ua raws li Asmeskas cov qauv ASTM. 304 yog sib npaug rau kuv lub teb chaws 06Cr19Ni10 stainless hlau. Nyiv kuj tau hais lub npe ntawm Tebchaws Meskas thiab hu nws: SUS304. SUS304 tsis yog cov khoom noj khoom haus qib stainless hlau, nws tsuas yog cov cim npe Japanese.
