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Dacromet Coating vs. Hot-Dip Galvanizing: Ke Tšireletso efe ea Corrosion e nepahetseng bakeng sa morero oa hau?
2026-04-30
Corrosion ke sera se khutsitseng sa mohaho o mong le o mong oa tšepe. Ho khetha theknoloji e nepahetseng ea ho roala ho ka bolela phapang pakeng tsa fastener e nkang lilemo tse 10 le e hlōlehang ho 2. Fujinrui, re thusa baenjiniere le lihlopha tsa ho reka thepa lefatšeng ka bophara ho etsa liqeto tse nang le tsebo. Kajeno, re arola mekhoa e 'meli ea ho roala e atisang ho bapisoa: Dacromet le Hot-Dip Galvanizing (HDG).
Papiso ea Hlooho le Hlooho
| Sebopeho | Ho roala ha Dacromet | Hot-Dip Galvanizing |
| Khanyetso ea Corrosion | 800–1,200 hrs (sefafatsi sa letsoai) | 400-600 hrs (sefafatsi sa letsoai) |
| Mocheso oa ho sebetsa | Ho fihlela ho 300°C | Ho fihlela ho 250 ° C |
| Hydrogen Embrittlement | Ha ho kotsi (mokhoa o sa bakang ho baka) | Kotsi ka liboutu tse matla haholo |
| Botenya ba ho roala | 4–8 μm (e mosesane haholo) | 40–80 μm (moalo o motenya) |
| Khoele Fit | Ha ho tšitiso ea khoele | Hangata ho hlokahala ho khaola likhoele hape |
| Tšusumetso ea Tikoloho | Cr6+-mahala, e sebelisa tikoloho | Mosi oa zinc |
| Qetella Ponahalo | Silver-gray, junifomo | Zinc spangle mohlala |
| Molemo ka ho fetisisa Bakeng sa | E phahameng-ho nepahala & koloi | Sebopeho le kantle |
Hobaneng ha Baenjiniere ba Bang ba Khetha Dacromet
- Ts'ebetso e phahameng ea ho fafatsa letsoai: E feta HDG ka 2–3x litekong tse sa jeleng paate tsa letsoai, e etsa hore e be e loketseng tikolohong ea leoatle le mongobo o phahameng.
- Ha ho na Hydrogen Embrittlement: E felisa kotsi ea ho hloleha ha bolt ka tšohanyetso ho li-fasteners tse matla (sehlopha sa 10.9 le ho feta) - molemong oa bohlokoa oa polokeho.
- Precision Thread Precision: Ho roala ka mokhoa o mosesaane ho etsa bonnete ba hore liboutu le linate li lekana hantle ntle le ho sebetsa hape ka khoele ea ho roala.
- ROHS & ISO e tsamaellana: E kopana le maemo a tikoloho a EU. E loketse limmaraka tsa likoloi, tsa elektroniki, le tse sa tsotelleng kantle ho naha.
Nako ea ho Nahana ka Hot-Dip Galvanizing
HDG e ntse e le khetho e bolokang chelete e ngata bakeng sa liboutu tse kholo tsa meralo le merero ea meaho ea kantle moo lipotoloho tse feteletseng tsa kutu e seng tsona ntho e ka sehloohong e amehang. E ipabola lits'ebetsong tse ngata moo lesela le teteaneng la zinki le fanang ka tšireletso ea mechine. Leha ho le joalo, bakeng sa li-fasteners tse nepahetseng le lits'ebetso tsa bohlokoa tsa polokeho, Dacromet e ntse e eketseha tharollo e ratoang.
