Cov dej thiab roj xav tau cov raj xa dej tuaj yeem muab cov tsev nyob thiab chaw lag luam. Roj roj muab fais fab rau cov qhov cub, dej tso cua sov, cov khoom lag luam thiab lwm yam khoom siv. Dej yog qhov tseem ceeb thiab pom tseeb. Qhov ob feem ntau ntau yam ntawm cov yeeb nkab steel siv los nqa dej thiab nkev yog cov yeeb nkab dub thiab galvanized yeeb nkab. Tsis meej pem yog ib qho muaj ntawm cov tswv tsev, thiab txawm tias qee cov tub txawg, hais tias qhov twg yuav siv cov kav hlau steel thiab raws li xwm txheej dab tsi.
Galvanized Yeeb Nkab
Galvanized steel yeeb nkab yog them nrog cov khoom siv zinc ua kom cov yeeb nkab steel tiv taus ntau dua rau corrosion. Kev siv thawj ntawm cov yeeb nkab galvanized yog los muab dej rau tsev thiab vaj tse. Cov zinc tseem tiv thaiv qhov tsim ntawm cov ntxhia pob zeb hauv av tuaj yeem ua rau cov kab dej.
Yeeb dub
Cov yeeb nkab dub steel yog txawv ntawm cov yeeb nkab galvanized vim tias nws yog qhov ua tsis tau. Cov xim tsaus nti los ntawm cov hlau-oxide tsim rau ntawm nws cov nplaim thaum lub sijhawm tsim khoom. Lub hauv paus ntsiab lus ntawm cov yeeb nkab dub steel yog nqa cov roj nkev mus rau hauv tsev thiab chaw ua lag luam. Cov yeeb nkab txhuam tau tsim tawm yam tsis muaj ib txoj hlua khi, ua kom lub yeeb nkab muaj zog thiab ruaj khov dua los nqa roj. Cov yeeb nkab steel dub kuj tseem siv rau cov twj siv hluav taws vim tias nws yog cov hluav taws kub dua li cov yeeb nkab galvanized.
Cov yeeb nkab dub thiab cov yeeb nkab galvanized yog ua los ntawm cov hlau loj
Galvanized yeeb nkab muaj ib txheej zinc, dub yeeb nkab tsis
Galvanized yeeb nkab yog qhov zoo tagnrho rau nqa dej tab sis tsis haum rau nqa roj
Galvanized yeeb nkab yog qhov kim dua vim tias muaj zinc txheej
Galvanized yeeb nkab yog ntau ruaj
