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Dacromet Coating vs Hot-Dip Galvanizing: Waa kuwee Ilaalinta Daxalka ee ku habboon Mashruucaaga?
2026-04-30
Daxalka waa cadawga aamusan ee dhismo kasta oo bir ah. Doorashada tignoolajiyada dahaarka saxda ah waxay la macno tahay farqiga u dhexeeya xireha soconaya 10 sano iyo mid ku guuldareysta 2. Fujinrui, waxaan ka caawineynaa injineerada iyo kooxaha wax soo iibsiga ee adduunka oo dhan inay gaaraan go'aano xog ogaal ah. Maanta, waxaan kala jebineynaa labada nidaam ee ugu badan ee la is barbar dhigo: Dacromet iyo Galvanizing-Dip Kulul (HDG).
Isbarbardhigga Madax-ilaa-Madax
| Muuqaal | Daboolka Dacromet | Galvanizing Kulul-Dip |
| Iska caabinta daxalka | 800-1,200 saacadood (buufin milix ah) | 400-600 saacadood (buufin milix ah) |
| Heerkulka shaqada | Ilaa 300°C | Ilaa 250°C |
| Embrittlement Hydrogen | Wax khatar ah malaha (habka dubo la'aanta) | Khatar leh boolal awood sare leh |
| Dhumucda dahaarka | 4-8 μm (aad u khafiif ah) | 40-80 μm (lakab qaro weyn) |
| Xadhkaha Fiican | Ma jiro faragelin dun | Xadhkaha dib-u-goynta inta badan loo baahan yahay |
| Saamaynta Deegaanka | Cr6+-free, deegaan-saaxiibtinimo | Sii daynta Zinc |
| Dhamaystir Muuqaalka | Silver-cawlan, labis | Habka spangle Zinc |
| Ugu Wanaagsan | Saxnimo sare & baabuur | Qaab dhismeedka & bannaanka |
Waa maxay sababta Injineero badan u doorteen Dacromet
- Waxqabadka Sare ee buufinta milixda: Waxay ka sarraysaa HDG 2-3x tijaabooyinka buufinta milixda dhexdhexaadka ah, taasoo ka dhigaysa mid ku habboon jawiga badda iyo qoyaanka sare.
- Ma jiro Embrittlement Hydrogen: Waxa ay meesha ka saartaa khatarta ah fashilka degdega ah ee boodhka ku xidha xidhayaasha xoogga badan (fasalka 10.9 iyo wixii ka sareeya) - faa'iido badbaado oo halis ah.
- Ilaalinta Xadhkaha Saxda ah: Dahaarka aadka u khafiifka ah ayaa hubiya in boolal iyo lawsku ay si fiican ugu habboon yihiin iyada oo aan dib loo shaqayn dunta dahaarka ka dambeeya.
- ROHS & ISO waafaqsan: Buuxiyay heerarka deegaanka EU. Ku habboon baabuurta, elektiroonigga, iyo suuqyada xasaasiga ah ee dhoofinta.
Goorta la Tixgalinayo Galvanizing-Dhibaadda Kulul
HDG ayaa weli ah doorasho kharash-ku-ool ah oo loogu talagalay boolal-dhismeedka waaweyn iyo mashaariicda kaabayaasha dibadda halkaasoo wareegyada daxalka daran aysan ahayn welwelka koowaad. Waxay ku fiican tahay codsiyada bulk halkaas oo lakabka zinc ee qaro weyn uu bixiyo ilaalin farsamo. Si kastaba ha noqotee, xirmooyinka saxda ah iyo codsiyada badbaadada-muhiimka ah, Dacromet ayaa sii kordheysa xalka la door bidayo.
