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Coating Dacromet vs. Hot-Dip Galvanizing: Kedu ihe nchebe corrosion dị mma maka ọrụ gị?
2026-04-30
Corrosion bụ onye iro na-agbachi nkịtị nke usoro ígwè ọ bụla. Ịhọrọ teknụzụ mkpuchi ziri ezi nwere ike ịpụta ọdịiche dị n'etiti eriri nke na-adịru afọ 10 na nke na-ada na 2. Na Fujinrui, anyị na-enyere ndị injinia na ndị na-azụ ahịa aka n'ụwa niile na-eme mkpebi ziri ezi. Taa, anyị na-akụrisị usoro mkpuchi abụọ a na-ejikarị atụnyere: Dacromet na Igwe ọkụ na-ekpo ọkụ (HDG).
ntụnyere isi na isi
| Njirimara | Dacromet mkpuchi | Galvanizing na-ekpo ọkụ |
| Nguzogide corrosion | 800-1,200 awa (nnu nnu) | 400-600 awa (nnu nnu) |
| Okpomọkụ na-arụ ọrụ | Ruo 300 ° C | Ruo 250 ° C |
| Embrittlement hydrogen | Enweghị ihe egwu (usoro na-enweghị achịcha) | Ihe ize ndụ na bọtịnụ ike dị elu |
| Mkpuchi Ọkpụrụkpụ | 4-8 μm (dị oke mkpa) | 40-80 μm (oke oyi akwa) |
| Eriri dabara adaba | Enweghị nnyonye anya eri | Mweghachi eriri eri na-achọkarị |
| Mmetụta gburugburu ebe obibi | Cr6+ - efu, enyi na enyi | Zinc anwụrụ ọkụ |
| Mechaa Ọdịdị | Ọla ọcha-isi awọ, edo | Usoro nke spangle Zinc |
| Kachasị mma maka | Elu-nkenke & ụgbọ ala | Ihe owuwu & mpụga |
Kedu ihe kpatara ndị injinia ji ahọrọ Dacromet
- Arụmọrụ ịgbasa nnu kachasị elu: Na-egosipụta HDG site na 2–3x n'ule ịgba nnu na-anọpụ iche, na-eme ka ọ dị mma maka gburugburu mmiri na oke iru mmiri.
- Enweghị mmiri mmiri hydrogen: Na-ewepụ ihe ize ndụ nke ọdịda bolt na mberede na ngwa ngwa ike dị elu (klas 10.9 na n'elu) - uru nchekwa dị oke egwu.
- Nchekwa eriri nkenke: Ihe mkpuchi dị oke mkpa na-eme ka bolts na mkpụrụ dabara adaba nke ọma na-enweghị eriri mkpuchi mkpuchi post.
- ROHS na ISO kwadoro: Zutere ụkpụrụ gburugburu ebe obibi EU. Kwesịrị ekwesị maka ụgbọ ala, eletrọnịkị, na ahịa nwere mmetụta mbupụ.
Mgbe ị ga-atụle Hot-Dip Galvanizing
HDG ka bụ nhọrọ dị ọnụ ala maka nnukwu bolts nhazi yana ọrụ akụrụngwa dị n'èzí ebe oke nrụrụ n'usoro abụghị ihe kacha mkpa. Ọ na-eme nke ọma n'ọtụtụ ngwa ebe akwa akwa zinc na-enye nchebe igwe. Agbanyeghị, maka ngwa nrụzi ziri ezi na ngwa nchekwa dị oke egwu, Dacromet na-abawanye ihe ngwọta kachasị mma.
Akụkọ kacha ọhụrụ
