eriri igwe galvanizedbụ ihe igwe na-enweta mgbochi nchara dị irè nke ukwuu site na iji akwa zinc kpuchie elu nke efere ígwè na-emepụta ihe nkiri zinc oxide. Malite ya laa azụ na 1931 mgbe injinia onye Poland bụ Henryk Senigiel jikọtara nke ọma nke ọma usoro mmechi na ịgbanye ọkụ na-ekpo ọkụ, na-eguzobe eriri galvanizing na-ekpo ọkụ na-aga n'ihu nke mbụ n'ụwa maka eriri igwe. Ihe ọhụrụ a bụ mmalite nke mmepe akwụkwọ nchara galvanized.
Akwụkwọ igwe galvanized& coils Njirimara arụmọrụ
1) Nguzogide corrosion: Ihe mkpuchi zinc na-egbochi nchara na nchara nke ígwè na gburugburu iru mmiri.
2) Mmanya agba agba: Alloyed galvanized steel coils na-egosipụta njirimara mmachi agba dị elu.
3) Weldability: Ihe mkpuchi zinc adịghị emebi nchara nchara, na-eme ka ịgbado ọkụ dị mfe na nke a pụrụ ịdabere na ya.
Njirimara nke akwụkwọ ifuru Zinc ọkọlọtọ
1. Standard zinc ifuru galvanized Ibé akwụkwọ atụmatụ nnukwu, iche iche zinc okooko osisi na-atụ ihe dị ka 1 cm na dayameta n'elu ha, na-egosi a na-egbuke egbuke na-adọrọ adọrọ ọdịdị.
2. Ihe mkpuchi zinc na-egosipụta nguzogide corrosion dị mma. N'ime obodo mepere emepe na gburugburu ikuku ikuku, oyi akwa zinc na-emebi n'ogo nke naanị 1-3 microns kwa afọ, na-enye nchebe siri ike maka mkpụrụ nchara. Ọbụlagodi mgbe mkpuchi zinc mebiri na mpaghara, ọ na-aga n'ihu na-echebe mkpụrụ nchara site na “nchekwa anode ịchụàjà,” na-egbu oge corrosion nke mkpụrụ osisi.
3. Ihe mkpuchi zinc na-egosipụta nke ọma adhesion. Ọbụlagodi mgbe etinyere ya na usoro nrụrụ dị mgbagwoju anya, oyi akwa zinc na-anọgide na-emebibeghị n'enweghị bee.
4. Ọ nwere ezigbo ihe ọkụ ọkụ ma nwee ike ije ozi dị ka ihe mkpuchi okpomọkụ.
5. Ihe na-egbuke egbuke na-adịte aka.
| Galvanized | Galvannealed | ||
| Spangle mgbe niile | Obere spangle (efu). | Ọ dị nro karịa | |
| Ihe mkpuchi zinc na-etolite spangle zinc site na nkwụsi ike nkịtị. | Tupu ịgbasi ike, a na-awụsa ntụ ntụ ma ọ bụ uzuoku zinc na mkpuchi ahụ iji chịkwaa kristal spangle ma ọ bụ dozie ihe mejupụtara bat, na-amịpụta spangle dị mma ma ọ bụ ihe na-enweghị spangle. | Mfegharị iwe ọkụ na-emesị-galvanizing na-emepụta elu dị larịị. | Mgbe ịpụsịrị bat zinc ahụ, eriri igwe na-enweta ọgwụgwọ alloying ọkụ iji mepụta akwa zinc-iron alloy na mkpuchi ahụ. |
| Spangle mgbe niile | Obere ala(efu) spangle | Ọ dị nro karịa | Galvannealed |
| Adhesion dị mma Nguzogide ihu igwe kachasị elu | Elu dị larịị, edo na ọmarịcha mma mgbe eserese | Elu dị larịị, edo na ọmarịcha mma mgbe eserese | Enweghị oge ntoju zinc, elu siri ike, ọmarịcha paintability na weldability |
| Kacha adabara: Guardrails, blowers, ductwork, conduits Kwesịrị ekwesị: Ọnụ ụzọ mpịakọta ígwè, ọkpọkọ mmiri, ihe nkwado elu ụlọ | Kacha adabara: ọkpọkọ igbapu, ihe nkwado elu ụlọ, ọkụ eletrik, mkpọda akụkụ ọnụ ụzọ, ihe ndị nwere agba agba. Kwesịrị ekwesị maka: Ozu ụgbọ ala, okporo ụzọ nche, ndị na-afụ ọkụ | Kasị mma maka: Ọkpụkpọ ọkpọkọ, akụrụngwa ụgbọ ala, akụrụngwa eletriki, friza, ihe mkpuchi agba. Kwesịrị ekwesị maka: Ozu ụgbọ ala, okporo ụzọ nche, ndị na-afụ ọkụ | Kasị mma maka: Ọnụ ụzọ mpịakọta ígwè, akara ngosi, ozu ụgbọ ala, igwe na-ere ahịa, friji, igwe na-asa ákwà, kabinet Kwesịrị ekwesị maka: Ihe mkpuchi akụrụngwa eletrik, tebụl ụlọ ọrụ na kabinet |
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3.Confirm nkọwa nke usoro ahụ, dị ka ụdị ngwaahịa, ọnụ ọgụgụ (na-amalitekarị site na otu akpa, banyere 28tons), ọnụahịa, oge nnyefe, okwu ịkwụ ụgwọ, wdg. Anyị ga-ezitere gị akwụkwọ ọnụahịa proforma maka nkwenye gị.
4.Mee ugwo, anyị ga-amalite mmepụta ngwa ngwa o kwere mee, anyị na-anabata ụdị ụzọ ịkwụ ụgwọ niile, dị ka: nnyefe telegraph, akwụkwọ ozi kredit, wdg.
5.Nata ngwongwo ma lelee àgwà na ọnụọgụgụ. Na-ebuga na mbupu nye gị dịka ịchọrọ. Anyị ga-enyekwara gị ọrụ ire ere mgbe emechara.
Oge nzipu: Ọgọst-29-2025
