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May 25, 2023

GALVANIZED STEEL & txhua yam koj yuav tsum paub

1. Dab tsi yog galvanized steel?

Raws li cov lus txhais ntawm galvanizing, peb tuaj yeem nkag siab galvanized steel li ib yam khoom uas zinc-hlau txheej tiv thaiv lub hauv paus hlau ua los ntawm steel. Cov txheej txheem tsim los ntawm cov txheej txheem galvanizing txhim kho cov kav ntev & lub zog ntawm cov hlau nws tus kheej los ntawm kev tiv thaiv corrosion. Nws kuj hloov cov hlau qhov tsos los ntawm muab nws ib tug rugged zoo. Zuag qhia tag nrho, tom qab dhau los ntawm cov txheej txheem galvanizing, cov hlau yuav muaj zog thiab nyuaj rau khawb thiab corrode; uas ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev siv sab nraum zoov.

2. Qhov kev lag luam twg siv galvanized steel?

Nrog nws muaj zog tiv thaiv rau sab nraud rog, galvanized steel yog dav siv nyob rau hauv ntau yam lag luam xws li kev tsim kho, tsheb, thiab kev lag luam kev sib txuas lus ...

a. Kev tsim kho kev lag luam

Raws li cov khoom muaj zog uas tiv taus corrosion thiab khawb, nws tsis muaj qhov tsis ntseeg tias galvanized steel muaj nyob rau hauv yuav luag txhua qhov kev tsim kho, txawm tias nws yog rau tsev nyob lossis kev lag luam. Dhau li ntawm nws cov kav ntev, kev zoo nkauj thiab kev xav zoo ib yam kuj ua rau galvanized steel nrov nyob rau hauv niaj hnub architectural designs. Galvanized steel kuj dhau los ua ib qho tseem ceeb ntawm cov qauv me me, uas tau pom dav hauv koj lub neej niaj hnub xws li laj kab, ntsia hlau, ncej, tubing, nyuj panels… (hyperlink vào cụm này nhé).

b. Automotive kev lag luam

Txij li xyoo 1980s, ntau qhov chaw ntawm lub tsheb & tsheb kauj vab tau ua los ntawm zinc-coated hlau. Txog li 80 feem pua ​​​​ntawm 'lub cev nyoos' ntawm lub tsheb yog tsim los ntawm cov hlau galvanized, uas yog cov cuab yeej zoo tshaj plaws rau kev lag luam tsheb. Tsis muaj leej twg xav tau khawb ntawm lawv lub tsheb (uas yuav raug nqi txiaj ntsig), thiab galvanized steel tuav nws tag nrho.

c. Kev lag luam kev sib txuas lus

Nrog ntau lab tus neeg siv thiab qhov kev thov loj rau kev sib txuas lus txhua ob, kev tswj hwm cov xov tooj tsis yog ib yam uas lub tuam txhab kev sib txuas lus nyiam. Tsis txhob hais txog qhov tsis yooj yim thaum lub kaw lus kaw tag nrho, nws kuj nyuaj rau cov kab uas lawv ib txwm dai siab. Yog vim li cas galvanized steel kuj nrov nyob rau hauv kev lag luam kev sib txuas lus. Nws tuaj yeem pom nyob rau hauv xov tooj thaiv thiab cov khoom siv lub thawv uas pab tau ntau heev hauv kev txo qis kev pheej hmoo ntawm kev puas tsuaj thiab kev xav tau kev saib xyuas.

d. Cua & hnub ci industries

Nrog rau qhov kev xav tau ntawm lub zog skyrocketed nyob rau hauv ob lub xyoo dhau los, lub zog ntsoog dhau los ua teeb meem loj rau tib neeg. Tias yog vim li cas siv lub zog ruaj khov xws li cua & hnub ci tam sim no yog tus yuam sij los daws qhov teeb meem. Txawm li cas los xij, cov haujlwm cua thiab hnub ci yuav tsum muaj kev ua haujlwm tas mus li ib zaug, uas txhais tau hais tias tsis muaj kev cuam tshuam rau kev saib xyuas zoo dua vim nws txhais tau tias cov nyiaj tau los poob. Yog li ntawd, tsis muaj dab tsi zoo dua li cov khoom siv muaj zog thiab ruaj khov xws li kub-dipped galvanized steel. Ua tsaug rau nws cov corrosion kuj thiab ib puag ncig tus phooj ywg (uas nws tsis tsim emissions), galvanized steel kom ntau xyoo tsis muaj txij nkawm.

3. 06 muaj txiaj ntsig zoo ntawm galvanized steel

a. Npaj siv (tus nqi pib qis)

Nyob rau hauv kev sib piv rau feem ntau kho steels, galvanized steel yog ntau npaj siv ib zaug xa. Tsis tas yuav muaj kev npaj ntxiv, tshuaj xyuas, lossis kev kho mob ntawm qhov chaw (xws li pleev xim / txheej). Li no, koj tsis tas yuav them tus nqi ntxiv ib sab ntawm tus nqi ntawm cov hlau galvanized.

b. Tsawg tus nqi mus sij hawm ntev (tsawg tus nqi kho)

Ua tsaug rau nws txoj kev tiv thaiv zinc txheej, galvanized steel yuav tsum muaj kev saib xyuas tsawg dua li lwm cov hlau tsis tau kho tsis tau nws tseem tuaj yeem khaws nws cov mob zoo thiab zoo li qub. Tias yog vim li cas galvanized steel yog cov khoom siv pheej yig tshaj plaws rau lub sijhawm ntev, txawm tias muaj lwm txheej txheej uas nws tus nqi pib tsawg dua. Nws yog nyob rau hauv rooj plaub uas cov nqi ntxiv rau kev kho lossis hloov pauv tseem tsis tau suav.

c. Lub neej ntev

Galvanized steel kav ntev dua li cov hlau feem ntau nrog cov kev kho mob sib txawv rau kev tiv thaiv, uas ntseeg tau tias muaj li 50 xyoo hauv qhov nruab nrab ib puag ncig. Hauv cov xwm txheej hnyav thiab dej-tshuaj, galvanized steel tseem tuaj yeem tiv taus 20 xyoo, tsis tas yuav tsum muaj kev saib xyuas.

d. Cov zinc ua si raws li kev txi anode

Qhov tseeb tias zinc ua si raws li kev txi anode ua kom ntseeg tau tias txhua qhov kev puas tsuaj yuav raug daws los ntawm cov txheej txheem ib puag ncig. Los yog dab tsi, zinc txheej tseem yog thawj zaug kom puas, thiab corrodes nyiam rau cov hlau.

e. Kev tiv thaiv xeb

Ua si lub luag haujlwm ntawm kev tiv thaiv txheej, zinc tiv thaiv cov hlau hauv qab los ntawm kev nthuav tawm cov dej noo hauv oxygen. Yog li ntawd, tsis muaj lub caij nyoog rau oxidation tshwm sim thiab hlau yuav tsis hloov mus rau hauv hlau oxide.

f. Ua tiav kev tiv thaiv

Galvanized steel (tshwj xeeb tshaj yog thaum nws los txog rau kub-dipped galvanization), txawm tias cov ces kaum ntse, recesses, thiab qhov chaw nkag tsis tau zoo tiv thaiv los ntawm zinc txheej. Li no, galvanized steel muab kev tiv thaiv tag nrho uas tsis muaj lwm yam txheej txheem tuaj yeem ua tau.

 

 

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