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Dacromet Flange Bolts
2026-07-23
Dacromet Flange Bolts
Xidhiidhiyayaasha Flange-ka-Daxaalka oo leh Dahaarka Flake Zinc-Aluminium
Dhalooyinka flange ee Dacromet waxay isku daraan naqshadaynta madaxa flange-ga qaybinta culayska leh iyo daahan Dacromet zinc-aluminium flake ah. Flange-ka dhex-dhexaadka ah wuxuu beddelayaa dhaqe gooni ah, halka daaha Dacromet uu keeno 500-1,200 saacadood oo caabbinta milixda ah iyada oo aan la haynin hydrogen-ka - ku habboon baabuurta, dhismaha, iyo codsiyada badda.
Qeybta 1 - Flange Bolt
Bolt flange waa biro madax hex ah oo leh flange isku dhafan oo u eg dhaqida oo ku yaal saldhigga madaxa. Flange-ku wuxuu u qaybiyaa culeyska isku dhejinta aag ballaaran, isagoo yareynaya cadaadiska dusha sare wuxuuna ka hortagayaa waxyeellada alaabta ku xiran. Tani waxay meesha ka saaraysaa baahida loo qabo dhaqe gooni ah, fududaynta isu imaatinka.
Tilmaamaha Muhiimka ah
- Qaybinta rarka: Flange wuxuu fidiyaa xoog isku dhejinta, hoos u dhigaya cadaadiska xajista ilaa 50% marka la barbar dhigo boolal hex caadiga ah.
- Ka-hortagga dabacsanaanta: Xulashada flange sed-bursan waxay bixisaa iska caabin gariir ku dhex jirta iyada oo aan la xidhin mashiinnada.
- Heerarka: DIN 6921 / ISO 4162 / GB/T 5787; M6–M20; Fasalka 8.8 iyo 10.9 ee ISO 898-1.
- Qalabka: Birta kaarboon (Fasalka 8.8) ama birta daawaha hoose (Fasalka 10.9), damiyay oo dabcay.
Qaybta 2 - Dacromet Dacromet
Dacromet waa biyo-ku-saleysan, dahaar aan-koronto ahayn oo isku-darka zinc iyo aluminium flakes oo ay ku xiran yihiin isku-dhisyada chromium. Codsaday iyada oo loo marayo wareegyada-spin-cure wareegyada 280-300 ° C, waxay bixisaa ilaalinta daxalka saddex-lakab ah iyada oo aan hydrogen ebrittlement.
Habka Ilaalinta
- Ilaalinta allabariga: Jeexjeexyada Zinc waxay door bidaan inay daxalaystaan si ay u ilaaliyaan birta, xitaa marka dahaarka la xoqo.
- Caqabad jidheed: Jeexjeexyada is-dul-saaran waxay xannibaan qoyaanka, ogsijiinta, iyo ions-daxalaha.
- Kiimikada dareenka Iskudhisyada Chromium waxay gaabiyaan milanka zinc iyo is-bogsiinaya xoqitaanka yaryar.
Faa'iidooyinka Muhiimka ah
- Ma jiro qallal hydrogen ah: Nidaam aan koronto lahayn - badbaado u ah Fasalka 8.8-10.9 boolal-xoog-sare.
- Iska caabbinta daxalka sare: 500-1,200 saacadood milix buufin ah (ISO 9227), 5-10x ka fiican dahaadhka zinc.
- Khafiif & lebis: 4-10 µm wuxuu ilaaliyaa taam ahaanshaha dunta iyo joomatari flange. Dib u taabasho looma baahna
- U adkaysiga kulaylka & deegaanka: Waxay u adkaysataa 250 ° C; Cr⁶⁺-free, RoHS/REACH waafaqsan.
Isbarbardhigga Dahaarka
| Hanti | Dacromet | Dajinta Zinc | Kulul-Dip Galv. |
| Buufiska milixda (saacadaha) | 500 - 1,200 | 96 - 240 | 300 - 1,000 |
| Embrittlement Hydrogen | Midna | Khatar (Gr. 10.9+) | Midna |
| Dhumucda dahaarka | 4 - 10 µm | 5 - 25 µm | 45 - 85 µm |
| Saamaynta Fiican ee Thread | Ugu yar | Hoose | Muhiimad leh |
| Iska caabinta kulaylka | 250°C | 200°C | 250°C |
| Muuqashada | Silver-cawlan, matte | Buluug-cad | Iftiimin/dhalatay |
Soo koobid
Dacromet flange bolts waxay bixiyaan isku darka ugu wanaagsan ee waxtarka farsamada iyo ilaalinta daxalka. Flange-ka isku-dhafan wuxuu qaybiyaa culeyska wuxuuna fududeeyaa isu-ururinta, halka Dacromet zinc-aluminium flake dahaarka uu bixiyo 500-1,200 saacadood oo iska caabin ah buufin milix ah iyada oo aan lahayn hydrogen ebrittlement. Xidhiidhiyayaashan ayaa si weyn loogu isticmaalaa baabuurta, dhismaha, tamarta dabaysha, iyo codsiyada badda halkaas oo isku xidhka la isku halayn karo iyo adkeysiga muddada dheer ay lama huraan yihiin.
