Cov Hlau Stainless Hlau Thermos Qhia Ntawv Qhia Txog Cov Ntawv Qhia Txog Cov Ntawv Cim: 304 VS 201
Quick 5-thib ob cov tshev mis (tsis muaj cov cuab yeej xav tau)
Khij cov cim
✅ Txoj Kev Sib Nrauj 304Yuav tsum muaj:
Sus304 / 18/8 / 304 (Muab ob npaug rau sab hauv / sab nraud phab ntsa)
❌ Tsis ntseeg 201 cookie qhia: "Zaub mov-me nyuam qhuav) lossis tsis muaj cim
Qhov hnyav Ntsuas
304 ceev faj: 7.93g / cm³
Tib lub khob loj: 304 hnov10-15% hnyav duatshaj 201
Kev ntsuam xyuas hauv tsev (3 DIY txoj kev)
| Raj | 304 Cov tshuaj tiv thaiv | 201 fab tshuaj tiv thaiv | Kev Kawm Tshawb Fawb Qab |
|---|---|---|---|
| Lub niam hlau | Tsis muaj zog | Muaj zog lo | 201's >5% mn =} sib nqus |
| Txiv qaub kua txiv | Tsis muaj kev hloov pauv hauv 24hrs | Rust me ntsis hauv 2hrs | MN + Acid → oxidation |
| 1% ntsev dej | Tsis muaj xeb hauv 72hrs | Daj daj nyob rau hauv 12hrs | 201 corrages nyob rau hauv cl- ions |
Nthuav dav gotting (cov muag khoom yuav tsis qhia koj)
Xov Rim
304: Du nyiaj tau tiav
201: Gritty grey kev ntxhib los mos(Ua cov khoom seem)
Laser Vuam Nplhaib
304: Txawm, gleele leeg
201: Ntxhib, discolored kab(Oxidation thaum lub sij hawm vuam)
Tus nqi cuab
Muaj tseeb 304 raug nqi ntau dua lossis sib npaug rau ¥ 50 (~ $ 7) rau 500mL - txawv txawv yog tias pheej yig dua
Cov Ntaub Ntawv Pov Thawj
Kev kuaj cov kua dej (pom zoo)
Yuav"Stainless hlau tus cim"(GB / T 11170 tau lees paub)
Kev ua haujlwm: poob rau sab hauv phab ntsa → tos 3 mins
Xim liab: 201 (mn / ni tshaj)
Tsis muaj xim: 304
Kev kuaj
Scrape Hlau Filings → Xa rauSGS Lab (~$30)
Cov ntsuas tseem ceeb:
Ni cov ntsiab lus: 304 >8% / 201 <1.5%
Cov ntsiab lus cratic: 304 >18% / 201 ≈14%
Zam kev zam lub tswv yim
"Peb yuav tsum-kuaj + ob tus chij liab"
✅ Kos cim: sus304 engraving
Check Qhov hnyav: hnyav dua
✅ Txheeb xyuas Wels: flawless seams
Tsis txhob: Tsis muaj-hom / ntawv ceeb toom
❌ zam: Tsaus Xov Rims
