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I-Dacromet Coating vs. Hot-Dip Galvanizing: Loluphi uKhuseleko lwe-Corrosion oluLungileyo kwiProjekthi yakho?
2026-04-30
Umhlwa lutshaba oluthuleyo lwaso sonke isakhiwo sentsimbi. Ukukhetha itekhnoloji efanelekileyo yokwaleka kunokuthetha umahluko phakathi kwe-fastener ehlala iminyaka eyi-10 kunye neyongaphumeleli kwi-2. E-Fujinrui, sinceda iinjineli kunye namaqela okuthengwa kwempahla kwihlabathi jikelele ukwenza izigqibo ezinolwazi. Namhlanje, sahlulahlula ezimbini iinkqubo zokwaleka eziqhele ukuthelekiswa: Dacromet kwaye I-Hot-Dip Galvanizing (HDG).
Ukuthelekisa kwiNtloko ukuya kwiNtloko
| Uphawu | I-Dacromet Coating | Hot-Dip Galvanizing |
| Ukunyangwa kokuMhlwa | 800–1,200 iiyure (isitshizi setyuwa) | 400–600 iiyure (isitshizi setyuwa) |
| Ubushushu bokusebenza | Ukuya kuthi ga kuma-300°C | Ukuya kuthi ga kuma-250°C |
| I-Hydrogen Embrittlement | Akukho mngcipheko (inkqubo yokubhaka-simahla) | Umngcipheko ngeebholiti eziphezulu |
| Ukutyeba kokutyabeka | 4–8 μm (ecwecwe kakhulu) | 40–80 μm (umaleko otyebileyo) |
| Umsonto Fit | Akukho kuphazamiseka komsonto | Ukusika kwakhona imisonto kudla ngokufuneka |
| Impembelelo yokusingqongileyo | I-Cr6+-simahla, i-eco-friendly | Ukukhutshwa komsi weZinc |
| Gqibezela Imbonakalo | Isilivere-ngwevu, iyunifomu | Ipateni ye-zinc spangle |
| Engcono Kwi | Ukuchaneka okuphezulu kunye nemoto | Ulwakhiwo nangaphandle |
Kutheni iiNjineli ezingakumbi zikhetha iDacromet
- Ukusebenza okuPhezulu kokutshiza ityuwa: Igqithisa i-HDG ngo-2-3x kwiimvavanyo zokutshiza ityuwa engathathi hlangothi, iyenza ilungele iindawo zaselwandle kunye nokufuma okuphezulu.
- Akukho Ukuhonjiswa kweHydrojeni: Ukuphelisa umngcipheko wokungaphumeleli kwe-bolt ngokukhawuleza kwi-fasteners ephezulu (iklasi ye-10.9 nangaphezulu) - inzuzo ebalulekileyo yokhuseleko.
- Ugcino lwemisonto echanekileyo: I-Ultra-thin coating iqinisekisa ukuba ii-bolts kunye namantongomane zihambelana ngokugqibeleleyo ngaphandle kokuphinda kusebenze intambo ye-post-coating.
- I-ROHS kunye ne-ISO iyahambelana: Idibana nemigangatho yemo engqongileyo ye-EU. Ilungele iimoto, i-electronics, kunye neemarike ezithumela ngaphandle.
Kuza kuqwalaselwa nini iHot-Dip Galvanizing
I-HDG iselukhetho olungabizi kakhulu kwiibholithi ezinkulu zesakhiwo kunye neeprojekthi zeziseko ezingundoqo zangaphandle apho imijikelo yokubola ngokugqithisileyo ingeyiyo eyona nkxalabo iphambili. Igqwesa kwizicelo ezininzi apho i-zinc layer inika ukhuseleko lomatshini. Nangona kunjalo, kwi-fasteners echanekileyo kunye nezicelo ezibalulekileyo zokhuseleko, i-Dacromet iyanda isisombululo esithandwayo.
